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Siemens NXAIR, Operating Instructions Manual

Siemens NXAIR is a cutting-edge switchgear product designed for reliable power distribution. Ensure safe and efficient operations with the help of our comprehensive Operating Instructions Manual. Download this essential manual for free from our website, providing you with all the necessary guidance and insights to maximize your NXAIR experience.

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Trouble shooting 

430 

NXAIR / 

≤ 40 kA 

110-0134.9 / 14 

Earthing switch 

 

Fault

 

Cause

 

Remedy

 

Actuating opening for feeder 
earthing switch cannot be open. 

Racking crank for moving the 
switching-device truck is 
inserted. 

Remove the racking crank 
for moving the switching-
device truck. 

General panel interlock active. 

Observe general panel 
interlock. 

Operating slide for opening the 
actuating opening is locked. 

Open the padlock. 

Actuating opening for busbar 
earthing switch cannot be open. 

General panel interlock active. 

Observe general panel 
interlock. 

Operating slide for opening the 
actuating opening is locked. 

Open the padlock. 

Operating slide for opening the 
actuating opening is interlocked 
by the electromagnetic interlock. 

Request external release. 

Operating lever cannot be inserted. 

Switching-device truck in service 
position. 

Rack the switching-device 
truck to test position; switch 
the circuit-breaker to OPEN 
position, if required. 

 
Circuit-breaker 

 

Fault 

Cause 

Remedy 

Circuit-breaker cannot be closed. 

Racking crank for moving the 
switching-device truck is inserted. 

Remove the racking crank for 
moving the switching-device 
truck. 

Switching-device truck is in 
intermediate position. 

Rack the switching-device truck 
to service position or test 
position. 

Spring energy store not charged. 

Wait for 15 s (motor) or charge 
manually. 

Undervoltage release is not 
energized. 

Activate the undervoltage 
release. 

Spring energy store is not charged 
automatically. 

No auxiliary voltage. 

Apply auxiliary voltage or 
charge the spring manually. 

 
If  these  Operating  Instructions  should  not  clarify  all  questions  regarding  operation  and  maintenance  of  the 
NXAIR switchgear, please contact the Siemens sales partner or the regional Siemens representative

 

 
 

 

 

 

Summary of Contents for NXAIR

Page 1: ...Medium Voltage Switchgear Air Insulated Switchgear NXAIR 17 5 kV 40 kA 4000 A Busbar Current OPERATING INSTRUCTIONS Order No 110 0134 9 Issue January 2019 Revision 14 Siemens AG 2019 All rights reserved ...

Page 2: ...ions we reserve the right to modify the specified values and drawings All dimensions are given in mm For further details e g about additional equipment please refer to catalog HA 25 71 Should further information be desired or should particular problems arise which are not covered sufficiently by these instructions the matter should be referred to the competent Siemens department The contents of th...

Page 3: ...ord indicates a potentially hazardous situation If the hazardous situation is not avoided death or serious injury can be the consequence CAUTION Signal word indicates a potentially hazardous situation If the hazardous situation is not avoided minor or moderate injury can be the consequence Definitions and symbols NOTICE Indicates a potentially damaging situation If the damaging situation is not av...

Page 4: ...anel with forced ventilation 26 6 4 Basic design contactor panel with panel width 435 mm 27 6 5 Basic design contactor panel with panel width 600 mm 27 6 6 Basic design switch disconnector panel 28 7 Interlocks 29 7 1 Mechanical interlocks in panel versions with withdrawable parts 29 7 2 Mechanical interlocks in panel versions with switching device trucks 30 7 3 Mechanical interlocks in panel vers...

Page 5: ...he withdrawable metering part metering truck 103 12 6 Removing or plugging on the low voltage connector 103 12 7 Taking the withdrawable metering part metering truck out of the panel or inserting in a panel 104 12 8 Replacing protection fuse links 104 13 Operating the contactor panel with panel width 435 mm 109 13 1 Control elements at the front side of the panel 109 13 2 Position indicator visibl...

Page 6: ... 3 Access to compartments 217 18 4 Opening the high voltage door 217 18 5 Closing the high voltage door 219 18 6 Operating the switch fuse combination to CLOSED position 221 18 7 Operating the switch disconnector to OPEN position 224 18 8 Operating lever for earthing switch 226 18 9 Earthing the feeder manually 227 18 10 De earthing the feeder manually 230 18 11 Replacing HV HRC fuse links 233 19 ...

Page 7: ... the withdrawable part switching device truck 365 25 2 Key operated interlocks for the busbar earthing switch 368 26 Fitting the earthing device 370 26 1 Design application and inspection of the earthing device accessories 370 26 2 Connecting the earthing device 371 26 3 Removing the earthing device 378 27 Panels with motor operating mechanism control 382 27 1 Overview of functionality 382 27 2 Op...

Page 8: ...osal 426 30 Trouble shooting 427 30 1 Panels with withdrawable part 427 30 2 Panels with switching device truck 429 30 3 Panels with switch fuse combination 431 31 Index 432 Document information Title Operating Instructions Order number 110 0134 9 Additional order number 8BX3300 0LA00 0AB1 Revision 14 Issue January 2019 ...

Page 9: ...pe tests according to IEC 62271 Part 200 may not be guaranteed anymore This applies especially though not exclusively to the following actions Original Siemens spare parts were not used Service technicians performing replacement were not trained and certified by Siemens Parts were fitted or adjusted incorrectly Settings were not made in accordance with Siemens specifications After installation and...

Page 10: ...ectricians In the basic version the degree of protection of the enclosure of NXAIR medium voltage switchgear is IP3XD according to IEC 60529 When the switchgear is operated within the technical parameters defined in these instructions the air insulated switchgear type NXAIR is suitable for rated voltages up to and Ur 17 5 kV and a maximum rated short time withstand current of Ik 40 kA The circuit ...

Page 11: ...elays are monitored for their firmware vulnerability In case that any potential weak points are identified which might allow third parties to access to the protection relay information concerning this will be distributed by newsletter Please visit below website to register to the SIPROTEC and SICAM security update report to receive latest news www siemens com gridsecurity Before commissioning plea...

Page 12: ...IP3XD for the metal enclosure according to IEC 60529 Metallic positively driven shutters protect against accidental contact with live parts inside the panel Logical interlock between actuation circuit breaker switch fuse combination disconnecting function and feeder earthing switch operating mechanism prevent maloperation Earthing of feeders by means of earthing switches with short circuit making ...

Page 13: ...0 4000 with contactor A 400 2 400 2 400 2 with switch fuse combination A 200 2 200 2 200 2 as bus sectionalizer A 4000 4000 4000 1 Available as special version 32 kV at 7 2 kV or except for contactor 42 kV at 12 kV 2 Depending on rated current of installed HV HRC fuse links 4 2 Basic prescriptions and standards The indoor switchgear complies with the following prescriptions and standards IEC EN st...

Page 14: ...d low voltage compartment containing the following information Fig 1 Rating plate as an example 1 Switchgear type 5 Number of operating instructions for the panel 2 Serial number 6 Year of manufacture 3 Technical data 7 Panel number 4 Internal arc classification 8 Loss of service continuity category partition class The block type current transformers and the voltage transformers have their own typ...

Page 15: ...0 800 2000 800 800 800 2500 1000 1000 800 1000 3150 1000 800 1000 4000 1000 1000 Bus sectionalizer 1250 2 800 2 800 2500 2 1000 or 2 1000 or 1 1000 with 1 800 1 1000 with 1 800 3150 2 1000 2 1000 4000 2 1000 2 1000 Busbar connection panel 2500 800 800 800 3150 1000 1000 4000 1000 1000 Metering panel 800 800 800 Contactor panel 400 435 1 435 1 435 1 400 600 2 600 2 600 2 Switch disconnector panel 2...

Page 16: ...2450 With additional compartment for busbar components 2350 Depth Panel type Dimension mm Ik 31 5 kA Ik 40 kA Ir A Panel width mm Busbar version 2500 A Busbar version 3150 4000 A Busbar version 4000 A Circuit breaker disconnecting bus sectionalizer busbar connection metering panel 2500 1350 or 1500 1500 1500 3150 1540 or 1650 1540 or 1650 4000 1540 or 1650 1540 or 1650 Rear duct version 4000 Panel...

Page 17: ...nt condensation rusting or other serious consequences the associated preventive measures must be taken by installing electrical heating equipment in the switchgear The ambient air must not be significantly polluted by dust smoke corrosive and or flammable gases vapors or salt If NXAIR is used under other service conditions than normal service conditions acc to IEC 62271 Part 1 regarding the ambien...

Page 18: ...lable operating instructions for circuit breaker type 3AE Language Order number of operating instructions German 9229 0001 100 0F Polish 9229 0001 155 0F Russian 9229 0001 156 0F Italian 9229 0001 172 0F English 9229 0001 176 0F French 9229 0001 177 0F Spanish 9229 0001 178 0F Portuguese 9229 0001 179 0F Romanian 9229 0001 302 0F 4 11 Contactor type 3TL and 3TM The vacuum contactor type 3TM3 is a ...

Page 19: ...nstructions and information The operating instructions are supplied as standard with every contactor type 3TL and 3TM Additional operating instructions in different languages can be ordered at the regional Siemens representative Available operating instructions for contactor type 3TL and 3TM Language Order number of operating instructions 3TL8 German English 9229 9870 174 0G French Spanish 9229 98...

Page 20: ...Switch fuse combination type L TRI 5F 4 14 Operating instructions for switch fuse combination L TRI 5F For switch fuse combination type L TRI 5F separate operating instructions are available with detailed instructions and information For further information about maintenance and servicing please refer to the operating instructions indoor switch fuse combination L TRI5 Operating instructions can be...

Page 21: ...anel Bus sectionalizer type 1 1 circuit breaker panel plus 1 bus riser panel with disconnector link Bus sectionalizer type 2 1 circuit breaker panel plus 1 bus riser panel optionally with metering part Busbar current metering panel Busbar connection panel optionally with metering part Contactor panel Switch disconnector panel Further information to design features and design options is given in ca...

Page 22: ...withdrawable metering part metering truck Fig 14 Busbar connection panel with withdrawable metering part metering truck Fig 15 Busbar current metering panel Fig 16 Circuit breaker panel with removable voltage transformers Fig 17 Contactor panel width 600 mm Fig 18 Contactor panel width 435 mm ...

Page 23: ...aker and bus riser panel with withdrawable disconnector link disconnector truck Fig 21 Bus sectionalizer type 2 to the right 1 circuit breaker and bus riser panel Fig 22 Bus sectionalizer type 2 to the right 1 circuit breaker and bus riser panel with withdrawable metering part metering truck 1 Can also be designed as a mirror image to the left ...

Page 24: ...Overview of panel types 24 NXAIR 40 kA 110 0134 9 14 Fig 23 Panel version with natural ventilation Fig 24 Panel version with natural ventilation ...

Page 25: ... For truck type switchgear this means that always the complete truck is taken out of the panel or inserted in the panel The basic operation or interlocking of the switching devices in the two basic designs such as Switching the circuit breaker to CLOSED position or OPEN position Racking the withdrawable part switching device truck to service position or test position Switching the feeder earthing ...

Page 26: ... Operating and interlocking unit for circuit breaker 3 Ventilation system optional 4 Feeder earthing switch 5 Cable bar connection 6 Voltage transformers optional 7 Block type current transformers 8 Busbar 9 Pressure relief duct 6 3 Basic design circuit breaker panel with forced ventilation Fig 28 Sectional view of circuit breaker panel design with forced ventilation A Switching device compartment...

Page 27: ...arthing switch 8 Block type current transformers 9 Busbar 10 Pressure relief duct 6 5 Basic design contactor panel with panel width 600 mm Fig 30 Sectional view of contactor panel with panel width 600 mm A Switching device compartment B Busbar compartment C Connection compartment D Contactor truck E Low voltage compartment 1 Metallic shutters 2 Contact system 3 HV HRC fuse links 4 Vacuum contactor...

Page 28: ...e combination D Low voltage compartment E Pressure relief duct 1 Operating mechanism for switch fuse combination 2 Operating mechanism for feeder earthing switch 3 Cable sealing ends 4 Block type current transformers 5 Blades of the feeder earthing switch 6 HV HRC fuse links 7 Blades of the switch fuse combination 8 Busbars Further information to design features and design options is given in cata...

Page 29: ...tor Consistent coding between connector and withdrawable part fulfilled Racking the withdrawable part to test position Circuit breaker in OPEN position Closing the circuit breaker Withdrawable part in interlocked end position test position or service position Closing the circuit breaker Undervoltage release not electrically operated Opening the circuit breaker None Operating the feeder earthing sw...

Page 30: ...ching device truck in interlocked end position test position or service position Closing the circuit breaker closing the contactor Undervoltage release not electrically operated Closing the contactor HV HRC fuse links not tripped Opening the circuit breaker opening the contactor None Operating the feeder earthing switch Switching device truck in test position Operating the busbar earthing switch N...

Page 31: ... the earthing function INFORMATION The busbar earthing switch is secured against unintentional operation by means of a padlock or an electromagnetic interlock Panel version with electromagnetic interlock is identified on the door to the low voltage compartment with a label 7 5 Additional padlock interlock optional Action Additional preconditions Racking the withdrawable part switching device truck...

Page 32: ...k Switching the feeder earthing switch to CLOSED position Access to actuating openings only after opening the lock Switching the feeder earthing switch to OPEN position Access to actuating openings only after opening the lock Switching the busbar earthing switch to CLOSED position Access to actuating openings only after opening the lock Switching the busbar earthing switch to OPEN position Access ...

Page 33: ... circuit breaker manually and for manual emergency opening of the 3TM3 contactor Fig 34 Operating lever for operating the feeder earthing switch in the switch disconnector panel Fig 35 Operating lever for operating the feeder earthing switch or busbar earthing switch operating the switch fuse combination Fig 36 Hand crank for manual charging of the spring energy store in the circuit breaker ...

Page 34: ... 38 Double bit key with a diameter of 3 mm for opening and closing the door to the low voltage compartment Fig 39 Racking tool for the removable voltage transformers optional Fig 40 Slip on levers for opening the shutters optional 1 for use on left side in panel and 2 for use in right side in panel Fig 41 Wall mounting holder for storage of operating tools optional ...

Page 35: ...Protruding parts at the rear side of the service truck can cause injuries by cuts or impacts Always park the service truck in such a way that nobody can pass by at the rear side e g move the rear side of the service truck close to a wall Using the service trucks Service trucks are exclusively designed for Transporting a corresponding withdrawable part Removing a withdrawable part from a panel Inse...

Page 36: ...ce truck to insert and remove a withdrawable part On the right side of the service truck there is the pocket for the operating instructions Fig 44 Front page of operating instructions 1 Operating side 2 Rear side 3 Operating instructions for service truck ...

Page 37: ...134 9 14 NXAIR 40 kA 37 Fig 45 Rear page of operating instructions For panels with removable voltage transformers Fig 46 Service truck to insert and remove the removable voltage transformers 1 Operating side 2 Rear side ...

Page 38: ...rive equipped with original spare parts for the switchgear 9 3 Before you call To help us deal with your query more quickly make sure that the following information is at hand Switchgear type 1 Serial no 2 Year of manufacture 3 Functional unit no 4 This information is available on the rating plate on the inside of the high voltage door and of the door to the low voltage compartment Fig 47 Rating p...

Page 39: ... high voltage door 10 Operating slide for opening and closing the actuating opening for racking the withdrawable circuit breaker circuit breaker truck 11 Actuating opening for racking the withdrawable circuit breaker circuit breaker truck 12 Actuating opening for inserting the double bit key to control racking of the withdrawable circuit breaker circuit breaker truck 13 Mechanical position indicat...

Page 40: ...h CLOSED position or OPEN position CLOSED OPEN 10 3 Access to compartments Regarding accessibility to the individual compartments NXAIR switchgear fulfills the loss of service continuity category LSC 2B according to IEC 62271 200 The degree of protection between the individual compartments is IP2X in standard design The type of accessibility is provided as follows Compartment Type of accessibility...

Page 41: ... front CAUTION Injury The mechanism inside the withdrawable circuit breaker circuit breaker truck can cause injuries by getting squeezed caught or cut No maintenance or installation work on withdrawable circuit breakers circuit breaker trucks Do not undo or remove any bolts Do not remove any parts of the covering INFORMATION Circuit breaker panels with removable voltage transformers have an extra ...

Page 42: ...door is exclusively open for performing operational activities inside the switching device compartment such as removing or inserting a withdrawable circuit breaker circuit breaker truck Close the high voltage door If an activity inside the switching device compartment is interrupted Immediately after an activity inside the switching device compartment was completed Before leaving the panel front C...

Page 43: ...high voltage door before executing a switching operation Fig 50 Instruction label on high voltage door Preconditions Either without withdrawable circuit breaker circuit breaker truck in the panel or Withdrawable circuit breaker circuit breaker truck inserted in the panel in test position Low voltage connector plugged on High voltage door open For high voltage doors with ventilation flap Ventilatio...

Page 44: ...ntilation flap NOTICE Incorrect position of ventilation flap Closing the high voltage door when the ventilation flap is not in operational position could cause damage in the switching device compartment The position indicator of the ventilation flap in the high voltage door must indicate operational position Reading the position indicator Read the position indicator for the ventilation flap in the...

Page 45: ...ion as described in the following Procedure Open the high voltage door Move the ventilation flap 1 on the inside of the high voltage door from the center of the lower edge upwards away from the high voltage door until the mechanism of the position indicator 2 reaches the end stop 3 Fig 54 Inside view of high voltage door Now the mechanism holds the ventilation flap in this position by itself Close...

Page 46: ...ow voltage connector Disconnected position The withdrawable circuit breaker circuit breaker truck is disconnected from the busbar system and the outgoing feeder The auxiliary circuit is disconnected by pulling out the low voltage connector Short instruction for racking the withdrawable circuit breaker circuit breaker truck Racking the withdrawable circuit breaker circuit breaker truck manually fro...

Page 47: ...r circuit breaker types 3AE1 and 3AE5 Fig 55 Circuit breaker type 3AE1 Position indicator OPEN Fig 56 Circuit breaker type 3AE5 Position indicator OPEN Preconditions Withdrawable circuit breaker circuit breaker truck in test position Low voltage connector plugged on High voltage door closed Circuit breaker in OPEN position Feeder earthing switch in OPEN position Racking crank for moving the withdr...

Page 48: ...ble bit key diameter 5 mm Procedure NOTICE Maloperation All interlocks are only released when the withdrawable circuit breaker circuit breaker truck is in a stable end position Rack the withdrawable circuit breaker circuit breaker truck absolutely until end position Lift the operating slide and hold it To release access to the withdrawable circuit breaker circuit breaker truck insert the double bi...

Page 49: ...t will go that is 90 to interlock the withdrawable circuit breaker circuit breaker truck Fig 62 Turning the racking crank clockwise Fig 63 Turning the double bit key clockwise Remove the double bit key To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it Fig 64 Position indicator in service position The withdra...

Page 50: ...ircuit breaker type 3AE5 position indicator OPEN Preconditions Withdrawable circuit breaker circuit breaker truck in service position Circuit breaker in OPEN position Racking crank for moving the withdrawable circuit breaker circuit breaker truck available Double bit key available Padlock optional removed from operating slide For electromagnetic interlock optional Electromagnetic interlock deactiv...

Page 51: ...operating slide and hold it To release access to the withdrawable circuit breaker circuit breaker truck insert the double bit key and turn counter clockwise as far as it will go that is 90 Fig 70 Lifting the operating slide Fig 71 Turning the double bit key counter clockwise Push the racking crank for moving the withdrawable circuit breaker circuit breaker truck onto the operating shaft and turn c...

Page 52: ...nter clockwise Fig 73 Turning the double bit key counter clockwise Remove the double bit key To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it Fig 74 Position indicator in test position The withdrawable circuit breaker circuit breaker truck has been racked from service position to test position the position ...

Page 53: ...ng noise and vibration Operating the circuit breaker discharges and or charges the spring energy store abruptly This causes a short loud noise and low vibration Expect switching noise and low vibration from inside the circuit breaker INFORMATION The opening spring is charged during the closing operation Preconditions Withdrawable circuit breaker circuit breaker truck in service position or in test...

Page 54: ...ocally or from a central control The requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time Depending on the intended operating mode set the panel to either local or remote control for example by switching the local remote switch INFORMATION Unexpected switching noise and vibration Operating the circuit breaker dischar...

Page 55: ... the circuit breaker changes from I position to 0 position The circuit breaker is open 10 12 Closing the circuit breaker manually NOTICE Conflicting operation The requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time For operating the circuit breaker manually set the panel to local control for example by switching the...

Page 56: ...on Expect switching noise and low vibration from inside the circuit breaker INFORMATION The opening spring is charged during the closing operation Preconditions Withdrawable circuit breaker circuit breaker truck in service position or in test position Circuit breaker in OPEN position Spring state indicator for the closing spring shows CHARGED High voltage door closed Panel set to local control Pad...

Page 57: ...automatically charged by the motor and the spring state indicator changes to CHARGED Change of the spring state indicator during closing operation Charged Discharged Charged Fig 81 Position indicator on the circuit breaker closed circuit breaker 3AE5 as an example Take the push rod out of the actuating opening Fit a padlock optional to the actuating opening and close it The position indicator on t...

Page 58: ...ted switching noise and vibration Operating the circuit breaker discharges and or charges the spring energy store abruptly This causes a short loud noise and low vibration Expect switching noise and low vibration from inside the circuit breaker INFORMATION The opening spring is charged during the closing operation Preconditions Withdrawable circuit breaker circuit breaker truck in service position...

Page 59: ...witching noise of the circuit breaker can be heard Fig 84 Rotary button Fig 85 Push rod inserted The spring state indicator for the closing spring does not change Fig 86 Position indicator on the circuit breaker open circuit breaker 3AE5 as an example Take the push rod out of the actuating opening Fit a padlock optional to the actuating opening and close it The position indicator on the circuit br...

Page 60: ...oise and vibration The spring energy store is discharged abruptly This causes a short loud noise and low vibration Expect noise and low vibration from inside the circuit breaker Preconditions Withdrawable circuit breaker circuit breaker truck in test position Circuit breaker in CLOSED position Spring state indicator for the closing spring shows CHARGED High voltage door closed Panel set to local c...

Page 61: ...uit breaker If the auxiliary voltage is disconnected the spring energy store for operating the circuit breaker is no longer charged automatically by the motor after closing the circuit breaker To operate the circuit breaker in spite of this the spring energy store can be charged manually with a hand crank This can be done both in test position and in service position WARNING Injury when using inap...

Page 62: ...ses Turning the hand crank for charging the spring energy store in the circuit breaker causes rhythmical noises and low vibration Fig 88 Hand crank not removed Preconditions Withdrawable circuit breaker circuit breaker truck in service position or in test position Circuit breaker in OPEN position or CLOSED position Spring state indicator for the closing spring shows DISCHARGED High voltage door cl...

Page 63: ...2 clockwise approx 50 turns until the CHARGED indication appears in the inspection window 3 Fig 92 Hand crank on high voltage door The closing spring is latched in automatically The spring state indicator for the closing spring changes to CHARGED Remove the hand crank Close the access cover of operating shaft using the rotary button Manual charging of the spring energy store is completed The energ...

Page 64: ...amaged Insert the operating lever in the actuating opening as far as it will go Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper handling of the operating lever for the feeder earthing switch Fig 93 Instruction label on the high voltage door Preconditions High voltage door closed Feeder to be earthed is isol...

Page 65: ... Procedure Lift the operating slide to release the actuating opening Fig 96 Lifting the operating slide While keeping the operating slide lifted insert the operating lever slightly into the actuating opening such that the pins in the operating lever are horizontal Insert the operating lever into the actuating opening as far as it will go Fig 97 Inserting the operating lever ...

Page 66: ... To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it The feeder is earthed 10 17 De earthing the feeder manually NOTICE Maloperation A switching operation once started must be completed totally A switching operation that was not completed cannot be turned back Do not try to remove the operating lever at interm...

Page 67: ...he feeder earthing switch Fig 100 Instruction label on the high voltage door Preconditions High voltage door closed Withdrawable circuit breaker circuit breaker truck in test position Operating lever available Padlock optional removed from operating slide For electromagnetic interlock optional Electromagnetic interlock deactivated Fig 101 Actuating opening on high voltage door Fig 102 Operating le...

Page 68: ... the operating lever are horizontal Insert the operating lever into the actuating opening as far as it will go Fig 104 Inserting the operating lever Hold the operating lever with one hand straight in the actuating opening and turn the operating lever with the other hand counter clockwise 180 until the feeder earthing switch changes to OPEN position Fig 105 Turning operating lever counter clockwise...

Page 69: ...reaker truck in test position Spring energy store in the circuit breaker discharged Auxiliary voltage for the panel disconnected High voltage door open Low voltage connector plugged on Procedure To detach the low voltage connector push the longitudinal fastener 1 of the coupling upwards Remove the low voltage connector 2 carefully to the front Fig 107 Removing the low voltage connector Hang the lo...

Page 70: ...he low voltage connector in order to charge the spring energy store This is a permissible operating state Expect motor noise and low vibration Preconditions Withdrawable circuit breaker circuit breaker truck in test position Spring energy store in the circuit breaker discharged Auxiliary voltage for the panel disconnected High voltage door open Low voltage connector stowed away Procedure INFORMATI...

Page 71: ...low voltage connector 2 from the front To secure the low voltage connector push the longitudinal fastener 1 of the coupling downwards Fig 112 Plugging on and securing the low voltage connector Close the high voltage door Switch the auxiliary voltage on The motor in the circuit breaker starts up and charges the spring energy store The spring state indicator for the closing spring changes to CHARGED...

Page 72: ...of withdrawable part Removing the withdrawable part without service truck can cause injuries Do not try to remove the withdrawable part while service truck is not interlocked with the panel Fig 113 Circuit breaker panel with high voltage door open type 3AE5 as an example Fig 114 Circuit breaker panel without service truck Preconditions Service truck available and selected according to the correspo...

Page 73: ...el front prevent being injured when taking the withdrawable circuit breaker out of the panel Make sure the service truck is correctly interlocked with the panel before moving the withdrawable circuit breaker onto the service truck Observe the notes and the operating instructions on the service truck Move the service truck centrally in front of the panel Push the locking elements on the left and ri...

Page 74: ...ft and right unlocking levers at the service truck Check whether the service truck is correctly interlocked with the panel by pulling it backwards Fig 117 Service truck interlocked Unlocking the withdrawable circuit breaker from the panel To unlock the withdrawable circuit breaker from the panel frame turn the two locking levers at the withdrawable circuit breaker to the outside Fig 118 Unlocking ...

Page 75: ...circuit breaker type 3AE1 Fig 120 Pulling out the withdrawable circuit breaker type 3AE5 Turn the two locking levers at the withdrawable circuit breaker to the inside in order to interlock the withdrawable circuit breaker with the service truck Fig 121 Interlocking the withdrawable circuit breaker Pull the two unlocking levers on the left and right side of the service truck upwards to release the ...

Page 76: ...or slow and careful driving on obstacle free paths Before moving the service truck check the path Keep the shunting area and paths free of obstacles and dry Remove objects such as small parts installation material or tools from the floor in the travel area Move the service truck only slowly and constantly The service truck is not suitable for unsteady floor such as stairs deepening or floor joints...

Page 77: ...ea Move the service truck only slowly and constantly The service truck is not suitable for unsteady floor such as stairs deepening or floor joints CAUTION Injury The mechanism inside the withdrawable circuit breaker can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Do not charge the spring energy store in the circuit breaker NOTICE Maloperation Risk of da...

Page 78: ...r panels also for control functions 5 Optional Coding symbol for current rating circuit breaker panels also for control functions 6 Top side of low voltage connector Fig 126 Coding symbols on low voltage connector and withdrawable part The coding symbols characterize the functional properties of a panel version The leftmost symbol 3 characterizes the functional properties as regards electromagneti...

Page 79: ...asic control functions Examples For single use of symbols or for use in combinations of symbols Other than circuit breaker Rated current 3rd symbol 5 optional Circuit breaker Rated current and extended control functions Other than circuit breaker Rated current Verifying correspondence of withdrawable part version and panel version A withdrawable part may only be inserted in a panel if the coding s...

Page 80: ... switch in the switching device compartment If required put the coupling pin of the feeder earthing switch operating shaft in vertical position using the operating lever Fig 130 Operating the feeder earthing switch operating shaft Interlocking the service truck with the withdrawable circuit breaker at the panel CAUTION Maloperation Interlocks placed at the panel front prevent being injured when mo...

Page 81: ...ervice truck Withdrawable circuit breaker with the same coding as panel available Coupling pin of the operating shaft in vertical position Spring energy store in the circuit breaker discharged High voltage door open Low voltage connector stowed away Auxiliary voltage for the panel disconnected Procedure Move the service truck centrally in front of the panel Push the locking elements on the left an...

Page 82: ...ft and right unlocking levers at the service truck Check whether the service truck is correctly interlocked with the panel by pulling it backwards Fig 133 Service truck interlocked with the panel To release the interlocking of the withdrawable circuit breaker with the service truck turn the two locking levers at the withdrawable circuit breaker to the outside Fig 134 Releasing the interlocking of ...

Page 83: ...service truck Push the withdrawable circuit breaker into the panel as far as it will go Fig 136 Pushing the withdrawable circuit breaker into the panel Unlocking the service truck from the panel Pull the two unlocking levers on the left and right side of the service truck upwards to release the interlocking with the panel frame Fig 137 Unlocking the service truck ...

Page 84: ... withdrawable part is correctly interlocked with the panel as soon as both locking levers latch tight inside Fig 139 Interlocking the withdrawable circuit breaker Locking the low voltage connector INFORMATION In addition to these instructions an instruction label on the withdrawable circuit breaker informs about plugging on the low voltage connector Follow the advice on the label 3 to push the lon...

Page 85: ...ltage connector 2 from the front To secure the low voltage connector push the longitudinal fastener 1 of the coupling downwards Fig 143 Plugging on and securing the low voltage connector Close the high voltage door Switch the auxiliary voltage on The motor in the circuit breaker starts up and charges the spring energy store The spring state indicator for the closing spring changes to CHARGED The w...

Page 86: ...ruck can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Do not charge the spring energy store in the circuit breaker Fig 144 Circuit breaker panel with high voltage door open Preconditions Circuit breaker truck in test position Spring energy store in the circuit breaker discharged High voltage door open Low voltage connector stowed away ...

Page 87: ...retaining hook Fig 146 Unlocking the circuit breaker truck at the bottom Fig 147 Circuit breaker truck ready to move Moving the circuit breaker truck out of the panel CAUTION Maloperation The circuit breaker truck is designed exclusively for slow and careful driving on obstacle free paths Before moving the circuit breaker truck check the path Keep the shunting area and paths free of obstacles and ...

Page 88: ...et at the circuit breaker truck is exclusively designed for interlocking the circuit breaker truck with the switchgear frame Do not push the locking bracket downwards towards LOCK if the circuit breaker truck is outside the panel Pull the circuit breaker truck out of the panel using the handles Fig 148 Pulling out the circuit breaker truck If no further operation is executed Close the high voltage...

Page 89: ... Move the circuit breaker truck only slowly and constantly The circuit breaker truck is not suitable for unsteady floor such as stairs deepening or floor joints CAUTION Injury The mechanism inside the circuit breaker truck can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Do not charge the spring energy store in the circuit breaker NOTICE Maloperation Ris...

Page 90: ... symbols On the top side of every switching device truck 2 and on the top side of every low voltage connector 6 there are 2 or 3 coding symbols respectively A switching device truck may only be inserted in a panel if the coding symbols are identical in number and kind with those on the low voltage connector 2 Top side of switching device truck 3 Coding symbol for electromagnetic interlock 4 Coding...

Page 91: ... with extended control functions are equipped with a second release a second shunt release a Ct release an undervoltage release Extended control functions are coded by a combination of two symbols Position left to right Panel type Function coded Symbols 1st symbol 3 All types Electromagnetic interlock Without electromagnetic interlock With electromagnetic interlock For racking mechanism of switchi...

Page 92: ...the symbols on the top side of the low voltage connector 2 Fig 151 Verifying correspondence of coding symbols on switching device truck and low voltage connector example Preparing the operating shaft for the feeder earthing switch Make sure that the coupling pin of the operating shaft for the feeder earthing switch at the circuit breaker truck and the coupling in the switching device compartment a...

Page 93: ...circuit breaker truck only at the front side NOTICE Maloperation The locking bracket at the circuit breaker truck is exclusively designed for interlocking the circuit breaker truck with the switchgear frame As long as the circuit breaker truck is not completely moved into the panel the locking indication at the locking bracket must show UNLOCKED Operate the locking bracket only if the circuit brea...

Page 94: ... circuit breaker discharged High voltage door open Low voltage connector stowed away Auxiliary voltage for the panel disconnected Fig 155 Panel prepared to insert circuit breaker truck Procedure Move the circuit breaker truck centrally in front of the panel The rollers 1 of the circuit breaker truck point towards the guide rails 2 at the bottom of the panel Push the circuit breaker truck into the ...

Page 95: ...The circuit breaker truck is now interlocked with the panel frame at the bottom The locking indicator at the locking bracket shows LOCKED Fig 158 Circuit breaker truck interlocked with panel frame To interlock the circuit breaker truck with the panel frame at the center turn the two locking levers to the inside The circuit breaker truck is correctly interlocked with the panel as soon as both locki...

Page 96: ...he longitudinal fastener Fig 160 Instruction label on the circuit breaker truck Take the low voltage connector out of the support located underneath the low voltage compartment Fig 161 Low voltage connector stowed away Fig 162 Instruction label for the low voltage connector Carefully plug on the low voltage connector 2 from the front To secure the low voltage connector push the longitudinal fasten...

Page 97: ... voltage door Switch the auxiliary voltage on The motor in the circuit breaker starts up and charges the spring energy store The spring state indicator for the closing spring changes to CHARGED The circuit breaker truck is inserted in the panel and the high voltage door is closed ...

Page 98: ...Mechanical position indicator for withdrawable disconnector link disconnector truck 9 High voltage door 10 Actuating opening for operating the feeder earthing switch 11 Operating slide for opening and closing the actuating opening for operating the feeder earthing switch 12 Mechanical position indicator for feeder earthing switch 13 Operating slide for opening and closing the actuating opening for...

Page 99: ... high voltage door at the disconnecting panel is identical with the procedure for opening and or closing the high voltage door at the circuit breaker panel For opening and or closing the high voltage door at the disconnecting panel see chapter 10 4 and or 10 5 11 5 Racking the withdrawable disconnector link disconnector truck WARNING Injury due to effects of high voltage Racking the withdrawable d...

Page 100: ...ng slide must otherwise always be interlocked mechanically by padlock This is also valid for panel versions with additional electromagnetic interlock INFORMATION Panel versions with electromagnetic interlock are identified on the high voltage door with a label for interlocking the disconnecting function The procedure for racking the withdrawable disconnector link disconnector truck to service posi...

Page 101: ... inserting and or removing the withdrawable circuit breaker circuit breaker truck in the circuit breaker panel For inserting and or removing the withdrawable disconnector link in the disconnecting panel see chapter 10 20 and or 10 21 For inserting and or removing the disconnector truck in the disconnecting panel see chapter 10 22 and or 10 23 11 8 Earthing or de earthing the feeder manually The pr...

Page 102: ...ey to control racking of the withdrawable metering part metering truck 7 Mechanical position indicator for withdrawable metering part metering truck 8 High voltage door 9 Actuating opening for racking the withdrawable metering part metering truck 10 Operating slide for opening and closing the actuating opening for racking the withdrawable metering part metering truck 11 Test sockets for busbar vol...

Page 103: ...ring panel see chapter 10 4 and or 10 5 12 5 Racking the withdrawable metering part metering truck The procedure for racking the withdrawable metering part metering truck to service position and or test position is identical with the procedure for racking the withdrawable circuit breaker circuit breaker truck to service position and or test position For racking the withdrawable metering part meter...

Page 104: ...chapter 10 18 and or 10 19 12 7 Taking the withdrawable metering part metering truck out of the panel or inserting in a panel The procedure for inserting and or removing the withdrawable metering part metering truck in the metering panel is identical with the procedure for inserting and or removing the withdrawable circuit breaker circuit breaker truck in the circuit breaker panel For inserting an...

Page 105: ... 12ABCNA 3 15 A 195 mm 17 5 Bussmann a business of Eaton 17 5CAV2 2 A 220 mm Supplier information www eaton com Preconditions Withdrawable metering part metering truck in test position Padlock optional removed from door handle High voltage door open All voltage transformer MCBs are switched to OPEN position Low voltage connector stowed away Withdrawable metering part metering truck taken out of th...

Page 106: ...e fuse link Push the lower end of the new protection fuse link into the clamp Push the upper end of the new protection fuse link into the clamp Perform replacement with all other fuse links The protection fuse links have been replaced INFORMATION Final procedure steps Next insert the withdrawable metering part metering truck into the panel After closing the high voltage door the panel can be integ...

Page 107: ...f insulating cover Remove the upper and lower bolt M8x12 with washer 8 4 mm completely from the three insulating covers Keep the 3 insulating covers 6 bolts and 6 washers 8 4 mm for later reuse Pull the lower end of the protection fuse link off the clamp by means of a screwdriver Pull the upper end of the protection fuse link off the clamp and remove the protection fuse link Fig 173 Insulating cov...

Page 108: ...er fixing point using a plastic bolt M8x12 and washer 8 4 mm to do this turn the M8 bolt into the bolted joint with simple hand force Fig 176 Pushing the upper end into the clamp Fig 177 Pushing the lower end into the clamp Fig 178 Installation of insulating covers The protection fuse links have been replaced INFORMATION Final procedure steps Next insert the withdrawable metering part metering tru...

Page 109: ... door 5 High voltage door 6 Handle for opening the high voltage door 7 Operating slide for opening and closing the actuating opening for operating the feeder earthing switch 8 Mechanical position indicator for feeder earthing switch 9 Actuating opening for operating the feeder earthing switch 10 Actuating opening for racking the contactor truck 11 Operating slide for opening and closing the actuat...

Page 110: ...olled Busbar compartment Tool based Connection compartment Access from the front side Interlock controlled and tool based Access from the rear side Tool based 13 4 Opening the high voltage door WARNING Reduced safety The closed high voltage door is an important safety element of the switchgear The high voltage door is exclusively opened for performing operational activities inside the switching de...

Page 111: ...is open 13 5 Closing the high voltage door WARNING Reduced safety The closed high voltage door is an important safety element of the switchgear The high voltage door is exclusively opened for performing operational activities inside the switching device compartment such as removing or inserting a contactor truck Close the high voltage door If an activity inside the switching device compartment is ...

Page 112: ... Instruction label on high voltage door Preconditions Contactor truck Contactor truck removed from the panel or Contactor truck inserted in test position High voltage door open Padlock for door handle optional available Procedure Push the door handle on the high voltage door totally upwards and hold it Press the high voltage door totally onto the panel frame using the door handle Push the door han...

Page 113: ...cted through the low voltage connector Disconnected position The contactor truck is disconnected from the busbar system and the outgoing feeder The auxiliary circuit is disconnected by pulling out the low voltage connector Short instruction for racking the contactor truck Racking the contactor truck manually from test disconnected position to service position Step 1 Insert and turn double bit key ...

Page 114: ...e connector plugged on automatically High voltage door closed Contactor in OPEN position Feeder earthing switch in OPEN position For electromagnetic interlock optional Electromagnetic interlock deactivated Racking crank for moving the contactor truck available Double bit key available Padlock optional removed from operating slide Fig 183 Racking crank Fig 184 Double bit key with a diameter of 5 mm...

Page 115: ...g crank Push the racking crank for moving the contactor truck onto the operating shaft and turn clockwise as far as it will go Remove the racking crank for moving the contactor truck Turn the double bit key clockwise as far as it will go that is 90 to interlock the contactor truck Fig 188 Turning the racking crank clockwise Fig 189 Turning the double bit key clockwise Remove the double bit key To ...

Page 116: ...ditions Contactor truck in service position Contactor in OPEN position For electromagnetic interlock optional Electromagnetic interlock deactivated Racking crank for moving the contactor truck available Double bit key available Padlock optional removed from operating slide Fig 190 Racking crank Fig 191 Double bit key with a diameter of 5 mm Procedure NOTICE Maloperation All interlocks are only rel...

Page 117: ...Push the racking crank for moving the contactor truck onto the operating shaft and turn counter clockwise as far as it will go Remove the racking crank for moving the contactor truck Turn the double bit key counter clockwise as far as it will go that is 90 to interlock the contactor truck Fig 195 Turning the racking crank counter clockwise Fig 196 Turning the double bit key counter clockwise Remov...

Page 118: ...ditions Contactor truck in service position or in test position Contactor in OPEN position High voltage door closed Auxiliary voltage for the panel connected Remote or local control Procedure Close the contactor via central or local electrical control command element The contactor is closed 13 10 Opening the contactor electrically NOTICE Conflicting operation Operating the contactor electrically i...

Page 119: ...MATION Unexpected switching noise and vibration Operating the contactor causes a short loud noise and low vibration Expect switching noise and low vibration from inside the contactor INFORMATION Manual operation of the contactor is limited to manual opening of the contactor Manual closing of the contactor is not possible INFORMATION Contactor truck version with mechanical closing latch Opening the...

Page 120: ...g opening for the double bit key lift the operating slide and hold it Fig 197 Operating slide lifted Fig 198 Double bit key to turn To open the contactor manually insert the double bit key and turn as far as it will go Contactor truck in service position 90 counter clockwise Contactor truck in test position 90 clockwise The contactor is open INFORMATION Final procedure steps You may now go on to i...

Page 121: ...llowing activities only in case of emergency For operating the contactor manually use the push rod only in the way described hereafter Preconditions Contactor truck in service position or in test position Contactor in CLOSED position High voltage door closed Push rod available Procedure Insert the push rod through the actuating opening in the high voltage door and press it to the frame as far as i...

Page 122: ...urning the double bit key is mechanically interlocked Do not try to turn the double bit key while the mechanical interlock is active Perform manual unlocking of the electromagnetic interlock to release turning of the double bit key In addition to these instructions instruction labels on the high voltage door inform about the operation of the manual unlocking Fig 201 Manual unlocking padlocked Fig ...

Page 123: ...ruck in service position Contactor in CLOSED position or OPEN position Key for padlock available Double bit key available Racking crank available Procedure Make sure to operate the particular contactor panel authorization is given for To release the actuating opening for the double bit key lift the operating slide and hold it Fig 203 Lifting the operating slide Insert the double bit key without tu...

Page 124: ...ving the lever to the right To release access to the contactor truck turn the double bit key counter clockwise as far as it will go that is 90 Fig 208 Turning the double bit key counter clockwise Move the lever for the manual unlocking to the left as far as it will go Fit the padlock to the lever and close the padlock Push the racking crank for moving the contactor truck onto the operating shaft a...

Page 125: ... far as it will go Fit a padlock optional to the operating slide and close it The contactor truck has been racked from service position to test position 13 14 Earthing the feeder manually NOTICE Maloperation A switching operation once started must be completed totally A switching operation that was not completed cannot be turned back Do not try to remove the operating lever at intermediate positio...

Page 126: ...tions High voltage door closed Contactor truck in test position Feeder to be earthed isolated Padlock optional removed from operating slide For electromagnetic interlock optional Electromagnetic interlock deactivated Operating lever available Procedure To release the actuating opening lift the operating slide and hold it Insert the operating lever in the actuating opening as far as it will go Turn...

Page 127: ... padlock optional to the operating slide and close it The feeder is earthed 13 15 De earthing the feeder manually NOTICE Maloperation A switching operation once started must be completed totally A switching operation that was not completed cannot be turned back Do not try to remove the operating lever at intermediate positions NOTICE Maloperation If the operating lever is not inserted correctly th...

Page 128: ...ver Preconditions High voltage door closed Contactor truck in test position Padlock optional removed from operating slide For electromagnetic interlock optional Electromagnetic interlock deactivated Operating lever available Procedure To release the actuating opening lift the operating slide and hold it Insert the operating lever in the actuating opening as far as it will go Turn the operating lev...

Page 129: ...anism of the busbar compartment is accessible when the contactor truck has been moved away from the panel Padlock the busbar shutter mechanism immediately against actuation as soon as the contactor truck was moved away from the panel As long as no contactor truck is in the panel the shutter mechanism on left side of the switching device compartment must remain secured with the padlock Do not remov...

Page 130: ...uck to stabilize the contactor truck during replacement of HV HRC fuse links 5 Ramps Fig 223 Contactor truck Fig 224 Contactor panel with high voltage door open Preconditions Contactor truck available Contactor truck in test position High voltage door open Procedure Pulling the ramp downwards CAUTION Protruding parts Protruding parts such as locking elements at the contactor truck or at the rear o...

Page 131: ... on personal protective equipment Lower the ramps 1 of the panel base Fig 225 Lowering the ramps Fig 226 Ramps in open position Unlocking the contactor truck from the panel Release the interlocking with the panel by turning the two locking levers at the contactor truck to the outside Fig 227 Releasing the interlocking with the panel Fig 228 Contactor truck unlocked 1 ...

Page 132: ...uch as small parts installation material or tools from the floor in the travel area Move the contactor truck only slowly and constantly The contactor truck is not suitable for unsteady floor such as stairs deepening or floor joints CAUTION Protruding parts Protruding parts such as locking elements at the contactor truck or at the rear of the contactor truck can cause injuries Move and operate the ...

Page 133: ...r truck taken out of the panel If no further operation is executed Close the high voltage door The contactor truck is taken out of the panel 13 17 Inserting the contactor truck in a panel CAUTION Injury The mechanism inside the contactor truck can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering CAUTION Maloperation Protruding parts such as locking elements ...

Page 134: ...aloperation A contactor truck may only be operated in a panel if the HV HRC fuse links installed match the particular panel version However there is no coding on the contactor truck to prevent inserting it in a panel not suitable for the particular contactor version Do absolutely observe the rated currents of the HV HRC fuse links Preconditions Panel prepared no contactor truck inserted High volta...

Page 135: ...ion To do so reinsert the contactor truck into the corresponding panel and operate the feeder earthing switch accordingly Checking if mechanical closing latch is needed Depending on the number of fuse links and their rated currents it may be necessary that a contactor truck is equipped with a mechanical closing latch Contactor trucks with mechanical closing latch have no corresponding label Contac...

Page 136: ...low voltage connection couples automatically when the contactor truck is inserted Move the contactor truck centrally in front of the contactor panel The front wheels 1 of the contactor truck point towards the ramps 2 at the bottom of the panel Fig 238 Positioning the contactor truck in front of the panel If required support the contactor truck with the handle 3 to move it onto the ramps 1 2 ...

Page 137: ...shing the contactor truck into the panel Push the contactor truck at the top into the panel as far it will go Lift the ramps 1 at the panel base upwards Fig 240 Pushing the contactor truck at the top into the panel Fig 241 Lifting the ramps Check whether the contactor truck is correctly placed into the panel by pulling it backwards 3 1 ...

Page 138: ...s with resonance earthed or isolated neutral under double earth fault and other conditions the full phase to phase voltage may be available at the HV HRC fuse link during breaking Depending on the size of the operating voltage of such a system this applied voltage may then exceed 87 of the rated voltage It must therefore already be ensured during configuration of the switching devices and selectio...

Page 139: ...e links is shown using the example of a double fuse link arrangement When inserting a new HV HRC fuse link its striker must always point to the operating side of the contactor truck 1 The position of the striker is identified with a triangle 2 representing an arrow on the rating plate of the HV HRC fuse link Fig 244 Arrangement of HV HRC fuse links example with double fuse link arrangement Fig 245...

Page 140: ...k 7 2 50 442 1 3010853 50 S68T 12KV 442 050 08 7 2 63 1 3010853 63 S68T 12KV 442 063 08 7 2 80 1 3010853 80 S68T 12KV 442 080 08 7 2 100 1 3010853 100 S4T 12KV 442 100 08 7 2 125 1 3010953 125 S4T 12KV 442 125 08 7 2 160 1 or 2 3010953 160 S4T 12KV 442 160 08 7 2 200 1 or 2 3011054 200 S4T 12KV 442 200 08 7 2 250 1 or 2 3011054 250 S4T 12KV 442 250 08 7 2 315 1 3011054 315 S4T 12KV 442 315 08 7 2 ...

Page 141: ...ped fuse links Electrical indications at the panel or in the remote control room are automatically reset to operating mode by replacing the HV HRC fuse links INFORMATION Recommended order of action The HV HRC fuse links in the middle phase L2 are only accessible after removing the HV HRC fuse links from the adjacent phase L3 First remove the HV HRC fuse links from the outer phases L1 and L3 on the...

Page 142: ...Outer phases L1 and L3 Select one of the phases Release the HV HRC fuse link by turning while pulling it out of the clamps Fig 247 Opening the fuse link bracket in the striker area operating side of contactor truck Fig 248 Opening the fuse link bracket on the opposite side of the striker area contact tulip side of contactor truck ...

Page 143: ... HV HRC fuse link by turning while pushing it into the clamps The position of the striker is identified with a triangle representing an arrow on the rating plate of the HV HRC fuse link If only one HV HRC fuse link is to be installed in the phase use the upper position at the clamps Fig 251 Inserting the HV HRC fuse link in the striker area Fig 252 Inserting the HV HRC fuse link on the opposite si...

Page 144: ... links from the outer phases L1 or L3 the fuse links in the middle phase L2 are accessible from the right or left side of the contactor truck Open both fuse link brackets of the phase manually or with a suitable tool for example a screwdriver First remove the upper HV HRC fuse link by pulling it upwards out of the clamps If a second lower fuse link is installed in the phase remove it too Fig 255 O...

Page 145: ...e contactor truck The position of the striker is identified with a triangle representing an arrow on the rating plate of the HV HRC fuse link If only one HV HRC fuse link is to be installed in the phase use the upper position at the clamps Close both fuse link brackets Fig 259 HV HRC fuse link inserted and fuse link bracket closed in the striker area Fig 260 HV HRC fuse link inserted and fuse link...

Page 146: ...acteristic with a motor characteristic as an example 1 Characteristic of the HV HRC fuse link 2 Motor starting current 3 Motor starting time 4 Characteristic of the time overcurrent protection Fig 261 Example for the coordination of a HV HRC fuse link characteristic 125 A with a motor characteristic The latest time current characteristics for HV HRC fuse links type HHM are available in the downloa...

Page 147: ...exceed 46 kA at 7 2 kV 12 kV In case of low voltage supply via a control transformer short circuit currents ranging above the limit breaking capacity must be interrupted within 80 ms This requirement does not apply if the mechanical latch is provided or the opening times have been extended so much that in the a m current range the contactor can only open when the fuse link has interrupted the curr...

Page 148: ...nstruction label for closing the high voltage door 6 High voltage door 7 Handle for opening the high voltage door 8 Operating slide for opening and closing the actuating opening for racking the contactor truck 9 Actuating opening for racking the contactor truck 10 Actuating opening for inserting the double bit key to control racking the contactor truck 11 Mechanical position indicator for contacto...

Page 149: ...position Feeder earthing switch CLOSED position or OPEN position CLOSED OPEN 14 3 Access to compartments Regarding accessibility to the individual compartments NXAIR switchgear fulfills the loss of service continuity category LSC 2B according to IEC 62271 200 The degree of protection between the individual compartments is IP2X in standard design The type of accessibility is provided as follows Com...

Page 150: ... high voltage door If an activity inside the switching device compartment is interrupted Immediately after an activity inside the switching device compartment was completed Before leaving the panel front CAUTION Injury The mechanism inside the contactor truck can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Preconditions Contactor truck in test position ...

Page 151: ...y after an activity inside the switching device compartment was completed Before leaving the panel front Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door describes safe closing of the high voltage door before executing a switching operation Fig 264 Instruction label on high voltage door Preconditions Contactor truck Contactor tr...

Page 152: ...dth 600 mm 152 NXAIR 40 kA 110 0134 9 14 Push the door handle on the high voltage door totally downwards and release it Fig 265 Closing the high voltage door Fit a padlock optional to the door handle and close it The high voltage door is closed ...

Page 153: ...connected position The contactor truck is disconnected from the busbar system and the outgoing feeder The auxiliary circuit is disconnected by pulling out the low voltage connector Short instruction for racking the contactor truck Racking the contactor truck manually from test disconnected position to service position Step 1 Insert and turn double bit key Step 2 Insert and turn hand crank as far a...

Page 154: ... plugged on High voltage door closed Contactor in OPEN position Feeder earthing switch in OPEN position For electromagnetic interlock optional Electromagnetic interlock deactivated Racking crank for moving the contactor truck available Double bit key available Padlock optional removed from operating slide Fig 266 Racking crank Fig 267 Double bit key with a diameter of 5 mm Fig 268 Position indicat...

Page 155: ...ng opening for the double bit key lift the operating slide and hold it To release access to the contactor truck insert the double bit key and turn clockwise as far as it will go that is 90 Fig 269 Lifting operating slide and turning the double bit key clockwise Fig 270 Operating shaft for racking crank Push the racking crank for moving the contactor truck onto the operating shaft and turn clockwis...

Page 156: ... Turning the racking crank clockwise Fig 272 Turning the double bit key clockwise Remove the double bit key To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it Fig 273 Position indicator of racking mechanism in service position The contactor truck has been racked from test position to service position ...

Page 157: ...ctor truck in service position Contactor in OPEN position For electromagnetic interlock optional Electromagnetic interlock deactivated Racking crank for moving the contactor truck available Double bit key available Padlock optional removed from operating slide Fig 274 Racking crank Fig 275 Double bit key with a diameter of 5 mm Fig 276 Position indicators 1 Position indicator for contactor OPEN po...

Page 158: ...or the double bit key lift the operating slide and hold it To release access to the contactor truck insert the double bit key and turn counter clockwise as far as it will go that is 90 Fig 277 Lifting operating slide and turning the double bit key counter clockwise Fig 278 Operating shaft for racking crank Push the racking crank for moving the contactor truck onto the operating shaft and turn coun...

Page 159: ...urning the racking crank counter clockwise Fig 280 Turning the double bit key counter clockwise Remove the double bit key To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it Fig 281 Position indicator of racking mechanism in OPEN position The contactor truck has been racked from service position to test positi...

Page 160: ...l to either local or remote control for example by switching the local remote switch INFORMATION Unexpected switching noise and vibration Operating the contactor causes a short loud noise and low vibration Expect switching noise and low vibration from inside the contactor Preconditions Contactor truck in service position or in test position Contactor in OPEN position High voltage door closed Auxil...

Page 161: ...ing the local remote switch INFORMATION Unexpected switching noise and vibration Operating the contactor causes a short loud noise and low vibration Expect switching noise and low vibration from inside the contactor INFORMATION Contactor truck version with mechanical closing latch Opening the contactor also opens the closing latch Preconditions Contactor truck in service position or in test positi...

Page 162: ...se and vibration Operating the contactor causes a short loud noise and low vibration Expect switching noise and low vibration from inside the contactor INFORMATION Manual operation of the contactor is limited to manual opening of the contactor Manual closing of the contactor is not possible INFORMATION Contactor truck version with mechanical closing latch Opening the contactor also opens the closi...

Page 163: ...nually insert the double bit key and turn as far as it will go Contactor truck in service position 90 counter clockwise Contactor truck in test position 90 clockwise Fig 286 Position indicator for contactor in OPEN position The contactor is open INFORMATION Final procedure steps You may now go on to insert the crank for racking the contactor truck Otherwise remove the double bit key push the opera...

Page 164: ...rning the double bit key is mechanically interlocked Do not try to turn the double bit key while the mechanical interlock is active Perform manual unlocking of the electromagnetic interlock to release turning of the double bit key In addition to these instructions instruction labels on the high voltage door inform about the operation of the manual unlocking Fig 287 Manual unlocking padlocked Fig 2...

Page 165: ...ruck in service position Contactor in CLOSED position or OPEN position Key for padlock available Double bit key available Racking crank available Procedure Make sure to operate the particular contactor panel authorization is given for To release the actuating opening for the double bit key lift the operating slide and hold it Fig 289 Lifting the operating slide Insert the double bit key without tu...

Page 166: ...ocking Fig 291 Removing the padlock Move the lever for the manual unlocking to the right as far as it will go and hold it Fig 292 Moving lever to the right To release access to the contactor truck turn the double bit key counter clockwise as far as it will go that is 90 Fig 293 Turning the double bit key counter clockwise ...

Page 167: ...95 Lever is padlocked Push the racking crank for moving the contactor truck onto the operating shaft and turn counter clockwise as far as it will go Remove the racking crank for moving the contactor truck Turn the double bit key counter clockwise as far as it will go that is 90 to interlock the contactor truck Fig 296 Turning the racking crank counter clockwise Fig 297 Turning the double bit key c...

Page 168: ... To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it Fig 298 Position indicator of racking the mechanism in test position The contactor truck has been racked from service position to test position ...

Page 169: ...g switch may be damaged Insert the operating lever in the actuating opening as far as it will go Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper operation of the operating lever for the feeder earthing switch Fig 299 Instruction label on high voltage door Fig 300 Operating lever Preconditions High voltage d...

Page 170: ...slightly into the actuating opening such that the pins in the operating lever are horizontal Insert the operating lever into the actuating opening as far as it will go Fig 302 Inserting the operating lever Hold the operating lever with one hand straight in the actuating opening and turn the operating lever with the other hand clockwise 180 until the feeder earthing switch changes to CLOSED positio...

Page 171: ... A switching operation that was not completed cannot be turned back Do not try to remove the operating lever at intermediate positions NOTICE Maloperation If the operating lever is not inserted correctly the feeder earthing switch may be damaged Insert the operating lever in the actuating opening as far as it will go Instruction label on high voltage door In addition to these instructions an instr...

Page 172: ...c interlock deactivated Operating lever available Procedure To release the actuating opening lift the operating slide and hold it Fig 307 Lifting the operating slide actuating opening While keeping the operating slide lifted insert the operating lever slightly into the actuating opening such that the pins in the operating lever are horizontal Insert the operating lever into the actuating opening a...

Page 173: ...ntal bar Remove the operating lever To close the actuating opening push the operating slide down as far as it will go Fit a padlock optional to the operating slide and close it The feeder is de earthed 14 15 Removing the low voltage connector Preconditions Contactor truck in test position Contactor in OPEN position Auxiliary voltage for the panel disconnected High voltage door open Low voltage con...

Page 174: ...oltage connector into the support located underneath the low voltage compartment Fig 312 Low voltage connector stowed away If no contactor truck is inserted in the panel and no further operation is executed Close the high voltage door The removed low voltage connector is lying in the support located underneath the low voltage compartment 1 2 ...

Page 175: ...age door open Low voltage connector stowed away Procedure INFORMATION In addition to these instructions an instruction label 1 on the contactor truck informs about plugging on the low voltage connector Follow the advice on the label to push the longitudinal fastener Fig 313 Instruction label on the contactor truck Take the low voltage connector out of the support located underneath the low voltage...

Page 176: ... and on contactor truck If the coding symbols are identical carefully plug on the low voltage connector 2 from above Otherwise insert a contactor truck with the proper coding symbol before plugging on the low voltage connector To secure the low voltage connector push the longitudinal fastener 3 of the coupling upwards Fig 316 Plugging on and securing the low voltage connector Close the high voltag...

Page 177: ...chanism inside the contactor truck can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Fig 317 Panel front with closed high voltage door Fig 318 Panel front with open high voltage door Preconditions Contactor truck in test position Contactor in OPEN position High voltage door open Low voltage connector stowed away ...

Page 178: ...it latches into the retaining hook Fig 320 Unlocking the contactor truck at the bottom Fig 321 Contactor truck ready to move Moving the contactor truck out of the panel CAUTION Maloperation The contactor truck is designed exclusively for slow and careful driving on obstacle free paths Before moving the contactor truck check the path Keep the shunting area and paths free of obstacles and dry Remove...

Page 179: ...CE Maloperation The locking bracket at the contactor truck is exclusively designed for interlocking the contactor truck with the switchgear frame Do not push the locking bracket downwards towards LOCK if the contactor truck is outside the panel Pull the contactor truck out of the panel using the handles Fig 322 Pulling the contactor truck If no further operation is executed Close the high voltage ...

Page 180: ...ing area and paths free of obstacles and dry Remove objects such as small parts installation material or tools from the floor in the travel area Move the contactor truck only slowly and constantly The contactor truck is not suitable for unsteady floor such as stairs deepening or floor joints NOTICE Maloperation The locking bracket at the contactor truck is exclusively designed for interlocking the...

Page 181: ...nts and the like in as delivered condition and do not cover any of it Verify correspondence between panel version and contactor version as regards coding and mechanical closing latch Mechanical coding The low voltage plug connector 1 of each contactor truck is coded with regard to the number of HV HRC fuse links used in every phase of the respective contactor and their rated currents The 4 coding ...

Page 182: ...on Panel version Configuration of HV HRC fuse links 6 Available configurations Number of HV HRC fuse links Rated current of HV HRC fuse links 1 per phase 2 per phase 50 A X 63 A X 80 A X 100 A X 125 A X 160 A X X 200 A X X 250 A X X 315 A X Electromagnetic interlock 5 Without electromagnetic interlock With electromagnetic interlock For racking mechanism of contactor truck For operating mechanism o...

Page 183: ...e both the mimic diagram on the high voltage door and the front side of the truck Fig 326 Mimic diagram on high voltage door of contactor panel Fig 327 Front side of contactor truck Verifying correspondence of truck version and panel version To avoid inserting a contactor truck into a contactor panel not suitable for the truck type verify correspondence as regards a coding and b mechanical closing...

Page 184: ...ction label on the front side of the truck First check if the panel requires a contactor truck with without mechanical closing latch to be inserted Second check the front side of the contactor truck for the according label Preparing the operating shaft for the feeder earthing switch Make sure that the coupling pin of the operating shaft for the feeder earthing switch at the contactor truck and the...

Page 185: ...ntactor truck can cause injuries Move and operate the contactor truck only at the front side NOTICE Maloperation The locking bracket at the contactor truck is exclusively designed for interlocking the contactor truck with the switchgear frame As long as the contactor truck is not completely moved into the panel the locking indication at the locking bracket must show UNLOCKED Operate the locking br...

Page 186: ...g shaft in vertical position High voltage door open Low voltage connector stowed away Auxiliary voltage for the panel disconnected Fig 334 Panel prepared to insert contactor truck Procedure Move the contactor truck centrally in front of the panel The rollers 1 of the contactor truck point towards the guide rails 2 at the bottom of the panel Fig 335 Contactor truck in front of panel ...

Page 187: ...nwards until snap in Fig 336 Interlocking the contactor truck at the bottom The contactor truck is now interlocked with the panel frame at the bottom The locking indicator at the locking bracket shows LOCKED Fig 337 Contactor truck interlocked with panel frame To interlock the contactor truck with the panel frame at the center turn the two locking levers to the inside The contactor truck is correc...

Page 188: ...N In addition to these instructions an instruction label 1 on the contactor truck informs about plugging on the low voltage connector Follow the advice on the label to push the longitudinal fastener Fig 339 Instruction label on the contactor truck Take the low voltage connector out of the support located underneath the low voltage compartment Fig 340 Low voltage connector stowed away 1 ...

Page 189: ...connector 2 from above To secure the low voltage connector push the longitudinal fastener 3 of the coupling upwards Fig 341 Plugging on and securing the low voltage connector Close the high voltage door Switch the auxiliary voltage on The contactor truck is inserted in the panel and the high voltage door is closed 3 2 ...

Page 190: ... conditions or whose breaking capacity was tested at least with the maximum system voltage In case of doubt a suitable HV HRC fuse link must be selected together with the fuse link manufacturer CAUTION Burns After tripping the surfaces of HV HRC fuse links are hot Touching hot HV HRC fuse links may cause burns Put on personal protective equipment Let hot HV HRC fuse links cool down before replacin...

Page 191: ... phase Hereafter replacing HV HRC fuse links is shown using the example of a double fuse link arrangement When replacing a single fuse link arrangement proceed in an analogous way 1 Rear side of contactor truck 2 Middle phase L2 with double fuse link arrangement 3 Outer phase L3 with double fuse link arrangement 4 Right side of contactor truck 5 Front side of contactor truck 6 Left side of contact...

Page 192: ...ker pin pointing to lower clamp Permissible HV HRC fuse links The specified SIBA HV HRC fuse links are motor protection back up fuse links according to IEC 60282 1 The dimensions of the HV HRC fuse links correspond to DIN 43625 NOTICE Maloperation Contactor trucks are exclusively designed for operation with specific HV HRC fuse links Using the different type of fuse links may cause damages on the ...

Page 193: ...er information www siba fuses com Supplier information www inter teknik com Replacing HV HRC fuse links NOTICE Undetected damage Tripped HV HRC fuse links can cause hidden damages on the other HV HRC fuse links Always replace all HV HRC fuse links even if only one HV HRC fuse link has tripped INFORMATION Electrical indication of tripped fuse links Electrical indications at the panel or in the remo...

Page 194: ...ocedure Removing HV HRC fuse links Select one of the outer phases L1 or L3 First pull the upper end of the HV HRC fuse link out of the clamp Second pull the lower end out of the clamp and remove the HV HRC fuse link Fig 346 Pulling the upper end Fig 347 First HV HRC fuse link removed Remove the second HV HRC fuse link from that phase in the same way Fig 348 Both HV HRC fuse links removed from oute...

Page 195: ...e same way Fig 349 Rear side of truck All HV HRC fuse links removed from outer phases After removing the HV HRC fuse links from the outer phase L3 the fuse links in the middle phase are accessible from the right side of the contactor truck Remove both HV HRC fuse links from the middle phase Fig 350 Removing HV HRC fuse links from the middle phase ...

Page 196: ...f the contactor truck The position of the striker pin is marked on the HV HRC fuse link by a triangle representing an arrow Fig 351 Striker pin pointing to lower clamp Approaching from the right side of the contactor truck push the ends of the new HV HRC fuse links into the lower and upper clamp Pull the ends slightly to check if the HV HRC fuse link is inserted firmly Insert the second HV HRC fus...

Page 197: ... HV HRC fuse links from tripped position to service position push down the lever at the right side of the contactor truck until it latches into vertical bar I position Fig 354 Resetting position indicator for HV HRC fuse links The HV HRC fuse links have been replaced INFORMATION Final procedure steps Next insert the contactor truck into the panel After closing the high voltage door the panel can b...

Page 198: ... link characteristic 125 A with a motor characteristic The latest time current characteristics for HV HRC fuse links type HHM are available in the download site of the SIBA company www siba fuses com Coordination Rules for coordinating the components of the motor circuit The time current characteristic must be located on the right of the motor starting current point A The rated current of the HV H...

Page 199: ...can only open when the fuse link has interrupted the current Due to the arising motor starting current the instant when the motor starts represents the maximum stress for the HV HRC fuse link This stress must neither operate nor pre damage the fuse link Other factors of influence on the stress of the HV HRC fuse links are the starting time and the starting frequency of the motors 14 22 Replacing p...

Page 200: ... 7 2ABWNA 3 15 A 142 mm Supplier information www eaton com Removing protection fuse links for the control transformer NOTICE Undetected damage A tripped protection fuse link for the control transformer can cause hidden damages on the other protection fuse links Always replace all protection fuse links for the control transformer even if only one protection fuse link has tripped Preconditions Set o...

Page 201: ...on fuse link off the clamp Second pull the lower end off the clamp and remove the protection fuse link Fig 358 Pulling the upper end Fig 359 First protection fuse link removed Push the ends of the new protection fuse link into the lower and upper clamp Pull the ends slightly to check if the protection fuse link is inserted firmly Fig 360 Pushing the upper end Fig 361 First protection fuse link rep...

Page 202: ... Fig 362 Protection fuse links inserted The protection fuse links for the control transformer have been replaced INFORMATION Final procedure steps Next insert the protection fuse links into the outer phases again Next insert the contactor truck into the panel After closing the high voltage door the panel can be integrated into the course of operation again ...

Page 203: ...the double bit key to control racking of the withdrawable metering part metering truck 7 Mechanical position indicator for withdrawable metering part metering truck 8 High voltage door 9 Actuating opening for racking the withdrawable metering part metering truck 10 Operating slide for opening and closing the actuating opening for racking the withdrawable metering part metering truck 11 Test socket...

Page 204: ...ar connection panel type I see chapter 10 4 and or 10 5 15 5 Racking the withdrawable metering part metering truck The procedure for racking the withdrawable metering part metering truck to service position and or test position is identical with the procedure for racking the withdrawable circuit breaker circuit breaker truck to service position and or test position For racking the withdrawable met...

Page 205: ... 10 18 and or 10 19 15 7 Taking the withdrawable metering part metering truck out of a panel or inserting in a panel The procedure for inserting and or removing the withdrawable metering part metering truck in the busbar connection panel type I is identical with the procedure for inserting and or removing the withdrawable circuit breaker circuit breaker truck in the circuit breaker panel For inser...

Page 206: ...s of Eaton 12ABCNA 3 15 A 195 mm 17 5 Bussmann a business of Eaton 17 5CAV2 2 A 220 mm Supplier information www eaton com Preconditions Withdrawable metering part metering truck in test position Padlock optional removed from door handle High voltage door open All voltage transformer MCBs switched to OPEN position Low voltage connector stowed away Withdrawable metering part metering truck taken out...

Page 207: ...g off the fuse link Push the lower end of the new protection fuse link into the clamp Push the upper end of the new protection fuse link into the clamp Perform replacement with all other fuse links The protection fuse links have been replaced INFORMATION Final procedure steps Next insert the withdrawable metering part metering truck into the panel After closing the high voltage door the panel can ...

Page 208: ... joint of insulating cover Remove the upper and lower bolt M8x12 with washer 8 4 mm completely from the three insulating covers Keep the 3 insulating covers 6 bolts and 6 washers 8 4 mm for later reuse Pull the lower end of the protection fuse link off the clamp by means of a screwdriver Pull the upper end of the protection fuse link off the clamp and remove the protection fuse link Fig 370 Insula...

Page 209: ... and lower fixing point using a plastic bolt M8x12 and washer 8 4 mm to do this turn the M8 bolt into the bolted joint with simple hand force Fig 373 Pushing the upper end into the clamp Fig 374 Pushing the lower end into the clamp Fig 375 Installation of insulating covers The protection fuse links have been replaced INFORMATION Final procedure steps Next insert the withdrawable metering part mete...

Page 210: ...age door DANGER Electric shock If the busbars in the switchgear have not been isolated the contacts in the panel will be live at operational high voltage Isolate the busbars in the switchgear Do not open the high voltage door at the busbar connection panel type II unless the busbars have been isolated Observe the Five Safety Rules Verify safe isolation from supply WARNING Reduced safety The closed...

Page 211: ...h voltage door is open 16 3 Closing the high voltage door WARNING Reduced safety The closed high voltage door is an important safety element of the switchgear The high voltage door is exclusively opened for performing operational activities inside the busbar connection panel type II Close the high voltage door If an activity inside the compartment behind the high voltage door is interrupted Immedi...

Page 212: ...r handle on the high voltage door totally upwards and hold it Press the high voltage door totally onto the panel frame using the door handle Push the door handle on the high voltage door totally downwards and release it Fit padlock to the door handle and close it 1 Fig 377 Closing the high voltage door The high voltage door is closed 1 ...

Page 213: ...r have not been isolated the contacts in the panel will be live at operational high voltage Isolate the busbars in the switchgear Do not open the high voltage door at the busbar current metering panel unless the busbars have been isolated Observe the Five Safety Rules Verify safe isolation from supply WARNING Reduced safety The closed high voltage door is an important safety element of the switchg...

Page 214: ...ng panel Open the high voltage door using the handle 2 The high voltage door is open 17 3 Closing the high voltage door WARNING Reduced safety The closed high voltage door is an important safety element of the switchgear The high voltage door is exclusively opened for performing operational activities inside the busbar current metering panel Close the high voltage door If an activity inside the co...

Page 215: ...n Hexagon socket head key size 6 available Procedure Close the high voltage door using the handle 2 Fig 379 High voltage door at the busbar current metering panel Screw in 6 hexagon socket head bolts size 6 1 by hand force This corresponds to a tightening torque of approx 20 Nm The high voltage door is closed ...

Page 216: ...High voltage door 6 Handle for opening the high voltage door 7 Actuating opening for operating the switch fuse combination 8 Operating slide for opening and closing the actuating opening for operating earthing switch switch fuse combination 9 Instruction label for the operating lever for the earthing switch 10 Actuating opening for operating the earthing switch 11 Mechanical position indicator for...

Page 217: ...etween the individual compartments is IP2X in standard design The type of accessibility is provided as follows Compartment Type of accessibility Busbar compartment Tool based Switching device connection compartment Access from the front side Interlock controlled Access from the rear side Tool based 18 4 Opening the high voltage door DANGER Electric shock If the busbars and cable bar connections in...

Page 218: ...vity inside the switching device connection compartment is interrupted Immediately after an activity inside the switching device connection compartment was completed Before leaving the panel front Preconditions Switch fuse combination in OPEN position High voltage door closed Padlock optional removed from door handle Procedure To open the high voltage door insert the double bit key push and turn c...

Page 219: ...nal activities inside the switching device connection compartment such as replacing the HV HRC fuses Close the high voltage door If an activity inside the switching device connection compartment is interrupted Immediately after an activity inside the switching device connection compartment was completed Before leaving the panel front Instruction label on high voltage door In addition to these inst...

Page 220: ...dure Push the door handle on the high voltage door totally upwards and hold it Press the high voltage door totally onto the panel frame using the door handle Push the door handle on the high voltage door totally downwards and release it To close the high voltage door push and turn the double bit key counter clockwise as far as it will go that is 90 Fig 385 Pushing the door handle downwards Fig 386...

Page 221: ...hing operation After closing the switch fuse combination the operating lever must be pushed all the way down to the end position for latching the mechanism to prevent accidental opening Preconditions Switch fuse combination in OPEN position Switch fuse combination must be latched High voltage door closed Feeder earthing switch in OPEN position Striker of HV HRC fuse link not tripped For electromag...

Page 222: ...hing switch is in OPEN position Switch feeder earthing switch to OPEN position if required To release the actuating opening for the operating lever push the operating slide down as far as it will go Insert the operating lever slightly into the actuating opening such that the pins in the operating lever are horizontal Insert the operating lever in the actuating opening as far as it will go Fig 390 ...

Page 223: ...window Fig 392 Looking inside through the insperction window blades are in CLOSED position Fig 393 Turning the operating lever clockwise Fig 394 Position indicator on high voltage door in CLOSED position Remove the operating lever To close the actuating opening lift the operating slide to the middle Fit a padlock optional to the operating slide and close it The switch fuse combination has been rac...

Page 224: ...ock activated Operating lever available Padlock optional removed from operating slide Fig 395 High voltage door with actuating opening Fig 396 Operating lever Procedure To release the actuating opening for the operating lever push the operating slide down as far as it will go Insert the operating lever slightly into the actuating opening such that the pins in the operating lever are horizontal Fig...

Page 225: ...n to ensure that the toggle fastener of the switch fuse combination latches tight and the switch fuse combination can be closed again Check if all the blades are in OPEN position through the inspection window Fig 399 Turning the operating lever counter clockwise Fig 400 Position indicator on high voltage door in OPEN position Fig 401 Turning the operating lever completely to the end position to la...

Page 226: ...ing movement into the opposite direction has a freewheel and does not move the feeder earthing switch the operating lever works like a ratchet spanner The feeder earthing switch is operated either clockwise or counter clockwise according to the switching function To use the operating lever two instruction labels show the turning direction for the corresponding switching function Switching function...

Page 227: ... Insert the operating lever in the actuating opening as far as it will go Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper operation of the operating lever for the feeder earthing switch Fig 403 Instruction label on high voltage door Preconditions High voltage door closed Switch fuse combination in OPEN posi...

Page 228: ...e operating lever slightly into the actuating opening such that the instruction label for clockwise turning direction is visible Fig 406 Instruction label on operating lever Adjust the position of the lever such that the pins on the lever are horizontal and parallel with the openings in the feeder earthing switch operating mechanism Insert the operating lever in the actuating opening as far as it ...

Page 229: ...ges to CLOSED position Check the feeder earthing switch is in CLOSED position through the inspection window Fig 408 Turning the operating lever clockwise Fig 409 Position indicator on high voltage door in CLOSED position Remove the operating lever To close the actuating opening push the operating slide down to the middle Fit a padlock optional to the operating slide and close it The feeder is eart...

Page 230: ... switch may be damaged Insert the operating lever in the actuating opening as far as it will go Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper operation of the operating lever for the feeder earthing switch Fig 410 Instruction label on high voltage door Preconditions High voltage door closed Padlock option...

Page 231: ...erating lever slightly into the actuating opening such that the instruction label for counter clockwise turning direction is visible Fig 413 Instruction label on operating lever Adjust the position of the lever such that the pins on the lever are horizontal and parallel with the openings in the feeder earthing switch operating mechanism Insert the operating lever in the actuating opening as far as...

Page 232: ...ng switch changes to OPEN position Fig 415 Turning the operating lever counter clockwise Fig 416 Position indicator in OPEN position Check the feeder earthing switch is in OPEN position through the inspection window Remove the operating lever To close the actuating opening push the operating slide down to the middle Fit a padlock optional to the operating slide and close it The feeder is de earthe...

Page 233: ... the surfaces of HV HRC fuse links are hot Touching hot HV HRC fuse links may cause burns Put on personal protective equipment Let hot HV HRC fuse links cool down before replacing NOTICE Undetected damage Even if the switch fuse combination shows no visible damages of a fault the HV HRC fuse link may have tripped due to a fault Check the switching device connection compartment for deformations whe...

Page 234: ... listed in the following table Do not mount bridging links instead of HV HRC fuse links Selection table for HV HRC fuse links Rated voltage Ur kV Rated current Ir A Dimension e mm Number of fuse links permitted per phase Order details 7 2 20 442 1 3010813 20 25 1 3010813 25 31 5 1 3010813 31 5 40 1 3010813 40 50 1 3010913 50 63 1 3010913 63 80 1 3010913 80 Supplier information www siba fuses com R...

Page 235: ...rmation www siba fuses com Selection table for the fuses for protection of transformers Transformer Rated voltage kV Transformer rated output kVA Fuse rated voltage kV 50 100 160 200 250 315 400 500 630 800 1000 1250 1600 Rated current of SIBA HHD Fuse link Ir A 3 25 40 63 80 80 3 6 7 2 BSSK types 6 12 5 16 20 40 40 50 63 80 80 6 16 20 31 5 40 50 63 80 BSSK 80 BSSK 10 10 16 20 25 31 5 40 50 63 63 ...

Page 236: ...ped INFORMATION Final procedure steps After closing the high voltage door the panel can be integrated into the course of operation again Preconditions Set of proper HV HRC fuse links available Switch fuse combination in OPEN position Feeder earthing switch in CLOSED position High voltage door open Procedure Fig 418 Front view Arrangement of HV HRC fuse links high voltage door open 1 HV HRC Fuses S...

Page 237: ...e opposite side of striker area bottom side Insert the new fuse links into the clamps with the striker at the upper side The position of the striker is identified with a triangle representing an arrow on the rating plate of the HV HRC fuse link Fig 421 HV HRC fuse link inserted in the striker area Fig 422 HV HRC fuse link inserted on the opposite side of striker area ...

Page 238: ...integrated into the course of operation again for example Close the high voltage door Switch the feeder earthing switch to OPEN position Insert the operating lever in the actuating opening of the switch fuse combination Turn the operating lever completely to the end position and switch strongly towards the OPEN position again This makes the toggle fastener latch tight again and the switch fuse com...

Page 239: ...tage transformer compartment 4 Actuating opening for racking the removable voltage transformers 5 Padlock for securing the operating slide 6 Operating slide for opening and closing the actuating opening for racking the removable voltage transformers Fig 424 Control elements on the door to the voltage transformer compartment 19 2 Opening the door to the voltage transformer compartment WARNING Elect...

Page 240: ...nt closed If inserted removable voltage transformers in test position Hexagon socket head key size 6 available Key for padlock available Procedure Remove the padlock from the operating slide 3 Undo 3 hexagon socket head bolts 1 The bolts remain permanently in the door to the voltage transformer compartment Open the door to the voltage transformer compartment using the handle 2 Fig 425 Opening the ...

Page 241: ...t can be operated independently of the high voltage door Preconditions High voltage door closed Door to voltage transformer compartment open If removable voltage transformers inserted low voltage connector plugged on Hexagon socket head key size 6 available Padlock available Procedure Close the door to the voltage transformer compartment using the handle 2 Screw in 3 hexagon socket head bolts 1 ha...

Page 242: ...mmediately Inform the regional Siemens representative Fig 428 Racking tool for the removable voltage transformers Preconditions High voltage door closed Removable voltage transformers inserted in the panel Low voltage connector plugged on Door to voltage transformer compartment closed and screwed tight Racking tool available Key for padlock available The actuating opening for racking the removable...

Page 243: ...Lift the operating slide and hold it Fig 430 Lifting the operating slide Insert the racking tool into the actuating opening with the guide pin pointing to the right Fig 431 Inserting the racking tool Push the racking tool into the door as far as it will go Turn the racking tool 90 counter clockwise to unlock the racking mechanism ...

Page 244: ...rmer compartment can cause damages Rack the removable voltage transformers always up to the end position Turn the racking tool only in stable end positions of the removable voltage transformers To rack the removable voltage transformers push the racking tool into the voltage transformer compartment as far as it will go end position Fig 433 Pushing the racking tool to rack Turn the racking tool 90 ...

Page 245: ...0 clockwise to lock Remove the racking tool Fig 435 Removing the racking tool To close the actuating opening push the operating slide down as far as it will go Fit a padlock to the operating slide and close it Fig 436 Fitting a padlock The removable voltage transformers are in service position ...

Page 246: ...l Siemens representative Fig 437 Racking tool for the removable voltage transformers Preconditions High voltage door closed Removable voltage transformers in service position Door to voltage transformer compartment closed and screwed tight Racking tool available Key for padlock available The actuating opening for racking the removable voltage transformers is located on the control board of the doo...

Page 247: ...ide Insert the racking tool into the actuating opening with the guide pin pointing to the right Fig 440 Inserting the racking tool Push the racking tool into the door as far as it will go Turn the racking tool 90 counter clockwise to unlock the racking mechanism Fig 441 Turning 90 counter clockwise to unlock ...

Page 248: ...s Rack the removable voltage transformers always up to the end position Turn the racking tool only in stable end positions of the removable voltage transformers To rack the removable voltage transformer pull the racking tool as far as it will go end position Fig 442 Pulling the racking tool to rack Turn the racking tool 90 clockwise to lock the racking mechanism Fig 443 Turning 90 clockwise to loc...

Page 249: ...lock The removable voltage transformers are in test position 19 6 Taking the removable voltage transformers out of the panel Preconditions High voltage door closed Removable voltage transformers in test position Door to voltage transformer compartment open Service truck available Removing the low voltage connector To detach the low voltage connector push the longitudinal fastener 1 of the coupling...

Page 250: ...ce truck in front of the panel NOTICE Maloperation If the service truck is not correctly interlocked with the panel while moving the removable voltage transformers onto the service truck the switchgear and the removable voltage transformers can be seriously damaged The service truck must be interlocked with the panel before moving the removable voltage transformers onto the service truck Move the ...

Page 251: ...k with the 4 bolts to compensate unevenness in the floor Fig 449 Adjusting the height with the bolts To hook the locking levers in at the panel frame push the locking levers on the left and right side of the service truck downwards Fig 450 Hooking the locking levers To check whether the service truck is correctly interlocked with the panel pull the service truck backwards using the handle ...

Page 252: ...truck away from the panel the removable voltage transformers can be seriously damaged Move the service truck only if the removable voltage transformers are interlocked in its end position on the service truck Lift the handle of the removable voltage transformers Keep it lifted and pull the removable voltage transformers onto the service truck as far as it will go In the end position the removable ...

Page 253: ...nsformers on top away from the panel pull the service truck using the handle of the removable voltage transformers Fig 455 Moving the service truck using the handle Close the door to the voltage transformer compartment and screw it tight Fit a padlock to the operating slide and close it The removable voltage transformer is taken out of the panel 19 7 Inserting the removable voltage transformers in...

Page 254: ...voltage transformers can be seriously damaged The service truck must be interlocked with the panel before moving the removable voltage transformers into the panel Fig 456 Panel prepared Move the service truck with the removable voltage transformers on top centrally in front of the panel The guide lugs bring the service truck directly to the correct position at the panel frame Fig 457 Moving the se...

Page 255: ...panel frame push the hooking levers on the left and right side of the service truck downwards Fig 459 Hooking the locking levers To check whether the service truck is correctly interlocked with the panel pull the service truck backwards using the handle Fig 460 Pulling the service truck to check interlocking The service truck is interlocked with the panel ...

Page 256: ... left and hold it Fig 461 Pulling the lever to unlock Lift the handle of the removable voltage transformers Keep it lifted and push the removable voltage transformers into the panel as far as it will go Fig 462 Pushing the removable voltage transformers into the panel Push the handle down to interlock the removable voltage transformers with the panel Fig 463 Pushing the handle down The removable v...

Page 257: ...cking levers Pull the service truck away from the panel Fig 465 Pulling the service truck away The service truck is removed from the panel Plugging on the low voltage connector INFORMATION In addition to these instructions an instruction label on the removable voltage transformers informs about plugging on the low voltage connector Follow the advice on the label 3 to push the longitudinal fastener...

Page 258: ...g upwards Fig 468 Plugging on and securing the low voltage connector Close the door to the voltage transformer compartment and screw it tight Fit a padlock to the operating slide and close it The removable voltage transformers are inserted in the panel 19 8 Replacing protection fuse links NOTICE Maloperation Removable voltage transformers are exclusively designed for operation with specific protec...

Page 259: ...IBA 3000211 2 2 A 192 mm 12 SIBA 3011911 2 2 A 192 mm 17 5 SIBA 3017911 2 2 A 192 mm Supplier information www siba fuses com Alternative supplier for fuse links Rated voltage Ur kV Supplier Order details 7 2 Inter Teknik S1Z1002 2 A 192 mm 12 Inter Teknik S1Z 12KV 192 002 2 A 192 mm 17 5 Inter Teknik S1Z 17 5KV 192 002 2 A 192 mm Supplier information www inter teknik com Removable voltage transfor...

Page 260: ...very and is the same for all types Preconditions Removable voltage transformers taken out of the panel Set of proper protection fuse links available Except for design type 1 Tool available Procedure for design type 1 No tool required Move the service truck with the removable voltage transformers away from the panel The protection fuse links are accessible Fig 470 Protection fuse links accessible L...

Page 261: ...ol required Hereafter the procedure is shown using the example of a removable voltage transformer type 2 For design types 3 and 4 the procedure is basically the same Those types differ from type 2 only in that the contact caps are interlocked with the housing by a screw thread The contact caps are unscrewed by turning counter clockwise using the accessory tool Fig 474 Tool for un locking Fig 475 T...

Page 262: ...ck the contact cap insert both ends of the tool in the openings of the contact cap and turn clockwise as far as it will go Fig 478 Unlocking the contact cap Holding it by the contact pull the contact cap off the housing and store it Fig 479 Pulling the contact cap off the housing Pull the spring off the protection fuse link and store it ...

Page 263: ...rotection fuse link out of the housing and dispose of it Fig 481 Pulling the fuse link out Push the new protection fuse link into the housing Push the spring on the protection fuse link To insert the contact cap align its guide pin with the angular slot in the housing Then push the contact cap into the housing as far as it will go ...

Page 264: ...ings of the contact cap and turn counter clockwise as far as it will go Fig 483 Locking the contact cap Perform replacement with all other fuse links The protection fuse links have been replaced INFORMATION Final procedure steps Next insert the removable voltage transformers into the panel After closing the high voltage door the panel can be integrated into the course of operation again ...

Page 265: ...ugh operational voltage is still applied there is danger to life Before performing any kind of checks or work in the busbar compartment or the connection compartment of each panel verify safe isolation from supply in these compartments without any doubt Observe the Five Safety Rules To verify safe isolation from supply do exclusively use intact LRM voltage indicators that have been tested immediat...

Page 266: ...lated from supply Indication does not light up or does not flash Phase isolated from supply NOTICE Device system LRM Before verifying safe isolation from supply with the LRM device system do absolutely check proper functioning of the LRM ST voltage indicator Fig 487 LRM ST voltage indicator 1 Documentation to repeat test of interface condition 2 Cover of test socket for L1 removed 3 LRM ST plugged...

Page 267: ...dure Plug the contact pins of the LRM ST voltage indicator on the test sockets at the function test unit Perform the test Alternative test method If no function test unit is available to check the LRM ST voltage indicator the check must be executed on a live panel Procedure Remove one cover from the test sockets The cover remains permanently at the panel Plug the contact pins of the LRM ST voltage...

Page 268: ...nts without any doubt Observe the Five Safety Rules To verify safe isolation from supply do exclusively use intact LRM voltage indicators that have been tested immediately before Please do absolutely observe the enclosed operating instructions for the function test unit and the voltage indicator Preconditions High voltage door closed Door to the low voltage compartment closed Tested LRM voltage in...

Page 269: ... the cover on the test socket Proceed in the same way with the test sockets for L2 and then for L3 Safe isolation from supply is verified as soon as L1 L2 and L3 have been determined to be isolated from supply 20 6 CAPDIS and VOIS systems overview CAPDIS S1 Integrated capacitive voltage detecting system CAPDIS S2 Integrated capacitive voltage monitoring system with relay output VOIS Economic integ...

Page 270: ...cover open Fig 494 CAPDIS S2 cover closed Fig 495 CAPDIS S2 cover open 1 LC display 2 Test socket L2 3 Earth socket 4 Test socket L3 5 Test socket L1 1 Test button 2 Cover 3 LC display 4 Duct for signaling cables CAPDIS M 5 Test socket L2 6 Earth socket 7 Test socket L3 8 Test socket L1 9 Short instructions ...

Page 271: ...sed lights up shortly A6 Indication Test not passed lights up shortly A7 Overvoltage present lights up permanently A8 Indication ERROR for example in case of disconnected auxiliary voltage Fig 496 Indications VOIS VOIS R CAPDIS S1 S2 Features VOIS VOIS R CAPDIS S1 CAPDIS S2 VOIS VOIS R CAPDIS S1 CAPDIS S2 Integrated display without auxiliary power Integrated display without auxiliary power Mainten...

Page 272: ...ent or the connection compartment of each panel verify safe isolation from supply in these compartments without any doubt Observe the Five Safety Rules Preconditions High voltage door closed Door to the low voltage compartment closed Indication Operatinal high voltage not present visible Safe isolation from supply is verified as soon as L1 L2 and L3 have been determined to be isolated from supply ...

Page 273: ...ated in the front upper area of the low voltage compartment Fig 497 Control elements of earthing switch for busbar system WARNING Risk of falling Falling from a ladder can lead to injuries and bone fractures Observe the guidelines for the use of working materials Use approved electrician s ladders only Observe the manual and the instructions on the ladder NOTICE Maloperation A switching operation ...

Page 274: ...e compartment Preconditions Busbar earthing switch in OPEN position Intended opening of the padlock released externally Operating lever available Electrician s ladder available as double step ladder Electromagnetic interlock optional deactivated If a withdrawable part switching device truck is inserted in the panel Withdrawable part switching device truck in test position Low voltage connector plu...

Page 275: ... hold it Fig 501 Lifting the operating slide actuating opening open Actuating opening for busbar earthing switch The actuating opening for the busbar earthing switch has different receptacles for inserting the operating lever for closing and opening the busbar earthing switch Fig 502 Actuating opening for busbar earthing switch Fig 503 Inserting the operating lever for closing ...

Page 276: ... as far as it will go Hold the operating lever with one hand straight in the actuating opening and turn the operating lever with the other hand clockwise as far as it will go that is approx 115 until the busbar earthing switch changes to CLOSED position Fig 505 Closing the busbar earthing switch Fig 506 Closing the busbar earthing switch using an electrician s ladder While turning the operating le...

Page 277: ...he operating lever To close the actuating opening push the operating slide down as far as it will go Fit a padlock to the operating slide and close it The busbar earthing switch has been switched from the OPEN position to the CLOSED position thus earthing the busbar The position indicator of the busbar earthing switch changes from the OPEN position via the intermediate position to the CLOSED posit...

Page 278: ...om a ladder can lead to injuries and bone fractures Observe the guidelines for the use of working materials Use approved electrician s ladders only Observe the manual and the instructions on the ladder NOTICE Maloperation A switching operation once started must be completed totally A switching operation that was not completed cannot be turned back Do not try to remove the operating lever at interm...

Page 279: ...Preconditions Busbar earthing switch in CLOSED position Intended opening of the padlock released externally Operating lever available Electrician s ladder available as double step ladder Electromagnetic interlock optional deactivated Fig 512 Operating lever for operating the busbar earthing switch Procedure Ensure that the intended manual switching operation has been released externally Make sure ...

Page 280: ... hold it Fig 514 Lifting the operating slide actuating opening open Actuating opening for busbar earthing switch The actuating opening for the busbar earthing switch has different receptacles for inserting the operating lever for closing and opening the busbar earthing switch Fig 515 Actuating opening for busbar earthing switch Fig 516 Inserting the operating lever for opening ...

Page 281: ...ar as it will go Hold the operating lever with one hand straight in the actuating opening and turn the operating lever with the other hand counter clockwise as far as it will go that is approx 115 until the busbar earthing switch changes to OPEN position Fig 518 Opening the busbar earthing switch Fig 519 Opening the busbar earthing switch using an electrician s ladder While turning the operating l...

Page 282: ...perating lever To close the actuating opening push the operating slide down as far as it will go Fit a padlock to the operating slide and close it The busbar earthing switch has been switched from the CLOSED position to the OPEN position thus de earthing the busbar The position indicator of the busbar earthing switch changes from the CLOSED position via the intermediate position to the OPEN positi...

Page 283: ...ntacts will be live at operational high voltage Always observe the Five Safety Rules Before opening the shutter to the busbar compartment Put on personal protective equipment Isolate and earth the busbars in the busbar compartment Verify safe isolation from supply Padlock the shutter mechanism on the right side in the switching device compartment unless you intend to open the shutter to the connec...

Page 284: ...ons Withdrawable part switching device truck in test position Padlock optional removed from door handle High voltage door open Low voltage connector stowed away Withdrawable part switching device truck taken out of the panel Fig 523 Slip on lever for opening the shutter marked with L Padlock the shutter mechanism on the right side in the switching device compartment Fig 524 Padlocking the shutter ...

Page 285: ...on lever latches tight and the shutter opens Fig 525 Pushing on the slip on lever Fig 526 Pushing the handle downwards to end position Fig 527 Shutter to the busbar compartment open The shutter to the busbar compartment is open INFORMATION Final procedure steps Immediately proceed to perform a voltage test with recommended suitable equipment or other intended operations ...

Page 286: ...the connection compartment have not been isolated the contacts will be live at operational high voltage Always observe the Five Safety Rules Before opening the shutter to the connection compartment Put on personal protective equipment Isolate and earth the cable bar connections in the connection compartment Verify safe isolation from supply Padlock the shutter mechanism on the left side in the swi...

Page 287: ...ditions Withdrawable part switching device truck in test position Padlock optional removed from door handle High voltage door open Low voltage connector stowed away Withdrawable part switching device truck taken out of the panel Fig 528 Slip on lever for opening the shutter marked with R Padlock the shutter mechanism on the left side of the switching device compartment Fig 529 Padlocking the shutt...

Page 288: ...ever latches tight and the shutter opens Fig 530 Pushing on the slip on lever Fig 531 Pushing the handle downwards to end position Fig 532 Shutter to the connection compartment open The shutter to the connection compartment is open INFORMATION Final procedure steps Immediately proceed to perform a voltage test with recommended suitable equipment or other intended operations ...

Page 289: ...is different from the mechanism in the other panel versions DANGER Electric shock If the busbars in the busbar compartment have not been isolated the contacts will be live at operational high voltage Always observe the Five Safety Rules Before opening the shutter to the busbar compartment Put on personal protective equipment Isolate and earth the busbars in the busbar compartment Verify safe isola...

Page 290: ...r shutter Preconditions Contactor truck in test position Padlock optional removed from door handle High voltage door open Contactor truck taken out of the panel Fig 533 Slip on lever for opening the shutter vertical latching rod 2 pointing downwards 1 Roller 2 Latching rod 3 Handle of latching rod 4 Main handle On the right side in the switching device compartment Move the vertical interlocking le...

Page 291: ...oove Push the slip on lever into the guide groove as far as it will go Fig 536 Pushing the slip on lever into the guide groove to end position Push the main handle downwards as far as it will go The shutter opens To hook in the slip on lever to the shutter mechanism engage the latching rod 2 To do so hold the latching rod by the handle 3 and move it in a semi circular way as shown The slip on leve...

Page 292: ...ipment or other intended operations Closing the shutter to the busbar compartment upper shutter NOTICE Maloperation Risk of damaging safety relevant parts Remove the padlock before inserting the contactor truck in the switching device compartment Release the latching rod 2 To do so hold the latching rod by the handle 3 and move it in a semi circular way as shown Let the slip on lever slip upwards ...

Page 293: ...mpartment Put on personal protective equipment Isolate and earth the cable bar connections in the connection compartment Verify safe isolation from supply Padlock the shutter mechanism on the left side in the switching device compartment unless you intend to open the shutter to the busbar compartment too Open the shutter to the connection compartment safely Only use the slip on lever Never try to ...

Page 294: ...rds 1 Roller 2 Latching rod 3 Handle of latching rod 4 Main handle On the left side in the switching device compartment Move the vertical interlocking lever 5 upwards and padlock 6 the shutter mechanism Fig 542 Padlocking the shutter mechanism on the left side in the switching device compartment Take the slip on lever by the main handle 4 with the vertical latching rod 2 pointing upwards Turn to t...

Page 295: ...groove to end position Push the main handle upwards as far as it will go The shutter opens To hook in the slip on lever to the shutter mechanism engage the latching rod 2 To do so hold the latching rod by the handle 3 and move it in a semi circular way as shown The slip on lever is in stable position and the shutter stays open Fig 545 Pushing the main handle upwards to end position Fig 546 Engagin...

Page 296: ...her intended operations Closing the shutter to the connection compartment lower shutter NOTICE Maloperation Risk of damaging safety relevant parts Remove the padlock before inserting the contactor truck in the switching device compartment Release the latching rod 2 To do so hold the latching rod by the handle 3 and move it in a semi circular way as shown Let the slip on lever slip downwards The sh...

Page 297: ...shutters 110 0134 9 14 NXAIR 40 kA 297 Remove the padlock from the left side in the switching device compartment and move the vertical interlocking lever downwards The shutter to the connection compartment is closed ...

Page 298: ...ections in the connection compartment will be live at operational high voltage Before removing the vertical partition inside the switching device compartment of a panel isolate and earth the cable bar connections in the connection compartment Provide a warning on the high voltage door to indicate activities in the connection compartment Observe the Five Safety Rules Verify safe isolation from supp...

Page 299: ... Procedure Verify that the position indicator of the feeder earthing switch on the high voltage door shows the vertical I position Fig 549 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel Position indicator of feeder earthing switch on high voltage door Fig 550 Contactor panels with panel width 435 mm only Position indicator of feeder earthing sw...

Page 300: ...feeder earthing switch is earthed if the additional position indicator points to the vertical I symbol Fig 551 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel Additional position indicator of the feeder earthing switch inside the switching device compartment Fig 552 Contactor panels with panel width 435 mm only Additional position indicator of t...

Page 301: ...ar compartment open Switch disconnector panel is the modular type and has two compartments There is a direct access to the cable terminals without vertical partition When the high voltage door is opened switching device connection compartment is accessible Verify that the position indicator of the feeder earthing switch on the high voltage door shows the vertical I position Fig 553 Switch disconne...

Page 302: ... device compartment If an activity inside the connection compartment is interrupted Immediately after an activity inside the connection compartment was completed CAUTION Sharp edges The metal parts of the vertical partition may have sharp edges Put on personal protective equipment Preconditions Preparations as described in chapter 23 1 completed Procedure Panel versions with withdrawable circuit b...

Page 303: ...t washers 5 Remove the partition 3 and store it Fig 556 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel 15 bolted joints on partition Removing the partition for contactor panels with panel width 435 mm without heater Remove the connecting elements 1 from the left part of the partition 2 to the connection compartment and store them 7 bolts M8x20 ...

Page 304: ... 3 Fig 559 Partition removed Removing the partition for contactor panels with panel width 435 mm with heater optional CAUTION Burns The heater and its protective cover can be hot Touching hot heater may cause burns Put on personal protective equipment Switch off the heater before touching the protective cover and let the hot heater cool down 1 2 4 3 ...

Page 305: ...le side of the switching device compartment Fig 560 Contactor panels with panel width 435 mm only 2 bolted joints on the heater Fig 561 Contactor panels with panel width 435 mm only 2 bolted joints on the heater support Remove the connecting elements 6 from the left part of the partition 5 to the connection compartment and store them 7 bolts M8x20 with contact washers 6 Remove the left part of the...

Page 306: ...562 Left part of partition 5 Fig 563 Right part of partition 7 Fig 564 Partition removed Access to the connection compartment through the panel front is given INFORMATION Final procedure steps Immediately proceed to perform the intended checks and works in the connection compartment 5 7 6 8 ...

Page 307: ...ertical partition may have sharp edges Put on personal protective equipment NOTICE Danger due to damages Possible malfunctioning and switchgear damage caused by foreign objects Remove all foreign objects from the connection compartment for example Tools Unused installation material Packing material Cleaning material NOTICE Cleaning Possible malfunctioning and damage to the panels caused by polluti...

Page 308: ...l width 435 mm and switch disconnector panel Instruction label on the vertical partition Preconditions Feeder earthing switch in CLOSED position High voltage door open Low voltage connector stowed away Panel versions with withdrawable circuit breaker circuit breaker truck or withdrawable disconnector disconnector truck only Protection plate available Connecting elements available 4 nuts size M8 Al...

Page 309: ...ce compartment To fix the partition 1 tighten the bolts all around hand tight All panel versions except for contactor panels with panel width 435 mm 10 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 2 5 bolts M8x20 with contact washers 3 Tighten the fixing bolts all around with a tightening torque of 25 Nm Fig 566 All panel versions except for contactor panels with panel...

Page 310: ...bolts M8x20 with contact washers 4 Tighten the fixing bolts all around with a tightening torque of 25 Nm Fig 567 Right part of partition 1 Fig 568 Left part of partition 3 Contactor panels with panel width 435 mm with heater optional Install the right part of the partition 1 between the connection compartment and the switching device compartment Fix the right part of the partition 1 tighten the bo...

Page 311: ... the heater support 5 by screwing the nuts 6 hand tight 2 bolts M8x20 6 Tighten the fixing bolts all around with a tightening torque of 25 Nm Install the heater 7 Fix the heater 7 by screwing the nuts 8 hand tight 2 nuts M8 8 Tighten the fixing nuts 8 with a tightening torque of 25 Nm Fig 571 2 bolted joints on the heater support Fig 572 2 bolted joints on the heater 6 7 1 2 3 4 5 8 ...

Page 312: ...compartment 9 tighten the nuts 10 hand tight 4 nuts M8 with contact washers Tighten the fixing bolts 10 with a tightening torque of 25 Nm Fig 573 4 bolted joints on protection plate of switching device compartment The partition between the connection compartment and the switching device compartment is installed INFORMATION Final procedure steps Now the panel can be integrated into the course of op...

Page 313: ...n compartment Always install the partition between the connection compartment and the switching device compartment If an activity inside the connection compartment is interrupted Immediately after an activity inside the connection compartment was completed CAUTION Sharp edges The metal parts of the ventilation duct and the vertical partition may have sharp edges Put on personal protective equipmen...

Page 314: ...t 2 size M8 and Remove the upper bolt 1 size M8 and store it Proceed in the same way on the other side Fig 575 Bolts for detaching the holder Fold the air guide upwards Fig 576 Folding the air guide upwards Fig 577 Air guide folded upwards Remove the upper bolts size M8 from the vertical partition and store them Fig 578 4 bolted joints on partition 1 2 ...

Page 315: ...side Fig 579 6 bolted joints fixed laterally on base frame and partition Remove the front bolts size M8 from the base frame and store them To get the ventilation duct over the door threshold lift it approx 2 cm Pull it out of the panel and store it Fig 580 2 bolted joints on the base frame front Fig 581 Lifting and pulling Fig 582 Removed ventilation duct Fig 583 Switching device compartment witho...

Page 316: ...position Remove the connecting elements 2 from the protection plate 1 and store it 4 nuts M8 with contact washers Remove the protection plate 1 and store it Fig 586 4 bolted joints on protection plate Remove the connecting elements from the partition to the connection compartment 3 inside the switching device compartment and store it 10 bolts M8x20 with contact washers and plain washers size 8 acc...

Page 317: ...t 110 0134 9 14 NXAIR 40 kA 317 Remove the partition 3 and store it Fig 587 15 bolted joints on partition If required immediately bend dented links back into the correct position Access to the connection compartment through the panel front is given 3 5 4 ...

Page 318: ...he ventilation duct and the vertical partition may have sharp edges Put on personal protective equipment NOTICE Danger due to damages Possible malfunctioning and switchgear damage caused by foreign objects Remove all foreign objects from the connection compartment for example Tools Unused installation material Packing material Cleaning material NOTICE Cleaning Possible malfunctioning and damage to...

Page 319: ...uctions an instruction label on the vertical partition informs about safe fastening of the partition Fig 588 Instruction label on the vertical partition Preconditions Feeder earthing switch in CLOSED position High voltage door open Low voltage connector stowed away Protection plate and associated connecting elements available 4 nuts M8 with contact washers Vertical partition and associated connect...

Page 320: ...acc to ISO 7093 2 5 bolts M8x20 3 Tighten the fixing bolts all around with a tightening torque of 25 Nm Fig 589 15 bolted joints on partition Install the protection plate of the switching device compartment 4 in the switching device compartment To fix the protection plate of the switching device compartment 4 tighten the nuts 5 hand tight 4 nuts M8 with contact washers Tighten the fixing nuts 5 wi...

Page 321: ...nt in correct position Make sure that the air guide 1 of the ventilation duct is folded upwards Fig 593 Ventilation duct with air guide folded upwards 1 Air guide folded upwards 2 Bottom side Set the ventilation duct down centrally on the base frame of the panel The side of the ventilation duct to which the air guide is fixed must adjoin to the vertical partition Fig 594 Ventilation duct placed ce...

Page 322: ...se frame front Tighten the lateral bolts M8x20 at the vertical partition and the base frame hand tight Tighten the bolts with a tightening torque of 25 Nm Proceed in the same way on the other side Fig 596 6 bolted joints fixed laterally on base frame and partition Tighten the upper bolts M8x20 at the vertical partition hand tight Tighten the bolts with a tightening torque of 25 Nm Fig 597 4 bolted...

Page 323: ...orque of 25 Nm Proceed in the same way on the other side Fig 599 Bolts for fixing the air guide The vertical partition and the ventilation duct are installed INFORMATION Final procedure steps Now the panel can be integrated into the course of operation again for example Inserting a withdrawable part switching device truck in the panel Closing the high voltage door De earthing the feeder Racking th...

Page 324: ...r If an activity inside the connection compartment is interrupted Immediately after an activity inside the connection compartment was completed CAUTION Sharp edges The metal parts of the ventilation duct and the vertical partition may have sharp edges Put on personal protective equipment CAUTION High weight The ventilation duct is heavy Remove the ventilation duct absolutely with 2 persons Put on ...

Page 325: ...Accessing the connection compartment through the front 110 0134 9 14 NXAIR 40 kA 325 Fig 600 Bolted joints to be loosened Fig 601 Bolted joints not to be loosened ...

Page 326: ...Fig 602 Panel prepared Procedure Remove the connecting elements 2 from the protection plate 1 and store it 4 nuts M8 with contact washers Remove the protection plate 1 and store it Fig 603 4 bolted joints on protection plate Remove the connecting elements from the front part 3 of the ventilation duct and store it 8 bolts M8x20 with contact washers 1 2 ...

Page 327: ...part of the ventilation duct over the door threshold lift it approx 2 cm Pull it out of the panel and store it Fig 606 Lifting and pulling the front part Remove the connecting elements from the remaining part of the ventilation duct 4 and the vertical partition to the connection compartment 5 and store it 13 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 6 7 bolts M8x20 ...

Page 328: ...d partition seen from center left Pull the unit consisting of ventilation duct and vertical partition towards the door threshold as far as it will go To get the unit over the door threshold lift it approx 2 cm Pull it out of the panel Store the unit but do not disassemble the unit any further Access to the connection compartment through the panel front is given 5 4 7 6 7 6 ...

Page 329: ...he ventilation duct and the vertical partition may have sharp edges Put on personal protective equipment NOTICE Danger due to damages Possible malfunctioning and switchgear damage caused by foreign objects Remove all foreign objects from the connection compartment for example Tools Unused installation material Packing material Cleaning material NOTICE Cleaning Possible malfunctioning and damage to...

Page 330: ...tor stowed away Unit consisting of ventilation duct and vertical partition available Associated connecting elements available 13 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 7 bolts M8x20 with contact washers Protection plate and associated connecting elements available 4 nuts M8 with contact washers Front part of ventilation duct and associated connecting elements ava...

Page 331: ...ter left Tighten the fixing bolts all around with a tightening torque of 25 Nm Install the protection plate 5 Fix the protection plate 5 by screwing the nuts 6 hand tight 4 nuts M8 with contact washers Tighten the fixing nuts with a tightening torque of 25 Nm Fig 612 4 bolted joints on protection plate Place the front part of the ventilation duct 7 centrally on the panel base frame 2 1 4 3 4 3 5 6...

Page 332: ...t Fig 614 Front part of ventilation duct seen from center left The vertical partition and the ventilation duct are installed INFORMATION Final procedure steps Now the panel can be integrated into the course of operation again for example Inserting a withdrawable part switching device truck in the panel Closing the high voltage door De earthing the feeder Racking the withdrawable part switching dev...

Page 333: ...al partition If an activity inside the connection compartment is interrupted Immediately after an activity inside the connection compartment was completed CAUTION Sharp edges The metal parts of the voltage transformer compartment and the vertical partition may have sharp edges Put on personal protective equipment CAUTION High weight The voltage transformer compartment is heavy Remove the voltage t...

Page 334: ...ents from the front of the labyrinth and store it 2 nuts M8 with contact washers Fig 616 2 bolted joints at front of labyrinth Remove the connecting elements from the top side of the labyrinth and store it 4 bolts M8x16 with contact washers Fig 617 4 bolted joints at top side of labyrinth Remove the labyrinth and store it ...

Page 335: ...t washers Fig 618 3 bolted joints on wiring duct cover Remove the wiring duct cover and store it Remove the connecting elements from the metal cover 1 for stowing the low voltage connector and store it 6 bolts M8x20 with contact washers Fig 619 4 bolted joints on metal cover in voltage transformer compartment Fig 620 2 bolted joints on metal cover in switching device compartment 1 ...

Page 336: ...ts from the voltage transformer compartment and store it 10 bolts M8x20 with contact washers Fig 622 10 bolted joints at voltage transformer compartment To get the voltage transformer compartment over the door threshold lift it approx 2 cm Pull it out of the panel and store it Fig 623 Lifting and pulling the voltage transformer compartment Fig 624 Voltage transformer compartment removed 2 ...

Page 337: ... with contact washers Remove the protection plate of the switching device compartment and store it Fig 625 4 bolted joints on protection plate of switching device compartment Remove the connecting elements from the vertical partition and store it 8 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 Fig 626 8 bolted joints on vertical partition Remove the partition and store ...

Page 338: ...al joint covered Loosen the 3 connecting leads 4 for the removable voltage transformers from the cable bar connections Remove the connecting elements from the left and right side of the bushing plate and store it 8 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 5 Loosen the fixing bolts at the lower side of the bushing plate 3 bolts M8x20 with contact washers 6 Fig 628 1...

Page 339: ... of the voltage transformer compartment and the vertical partition may have sharp edges Put on personal protective equipment NOTICE Danger due to damages Possible malfunctioning and switchgear damage caused by foreign objects Remove all foreign objects from the connection compartment for example Tools Unused installation material Packing material Cleaning material NOTICE Cleaning Possible malfunct...

Page 340: ...tion leads and associated connecting elements available 3 nuts M8 with contact washers and plain washers Vertical partition and associated connecting elements available 8 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 Protection plate and associated connecting elements available 4 nuts M8 with contact washers Voltage transformer compartment and associated connecting elem...

Page 341: ...Fix the connecting leads 4 To do this mount the connecting elements 3 and tighten hand tight 3 nuts M8 with contact washers and plain washers Tighten the nuts with a tightening torque of 25 Nm Fig 630 3 bolted joints at the cable connections central joint covered Install the vertical partition in the connection compartment 1 2 ...

Page 342: ...8 bolted joints on vertical partition Install the protection plate in the switching device compartment Fix the protection plate by screwing the nuts hand tight 4 nuts M8 with contact washers Tighten the nuts with a tightening torque of 25 Nm Fig 632 4 bolted joints on protection plate of switching device compartment Prepare the voltage transformer compartment for installation by laying it down cen...

Page 343: ...ltage transformer compartment by screwing the bolts hand tight 10 bolts M8x20 with contact washers Tighten the bolts with a tightening torque of 25 Nm Fig 634 10 bolted joints at voltage transformer compartment Put the metal cover in upright position To link the voltage transformer compartment and the metal cover together tighten the bolts hand tight 4 bolts M8x20 with contact washers Tighten the ...

Page 344: ...tact washers Tighten the bolts with a tightening torque of 25 Nm Fig 636 Lid of metal cover Fig 637 2 bolted joints on metal cover in switching device compartment Install the wiring duct cover Fix the wiring duct cover by screwing the bolts hand tight 3 bolts M8x20 with contact washers Tighten the bolts with a tightening torque of 25 Nm Fig 638 3 bolted joints on wiring duct cover 7 ...

Page 345: ...e labyrinth by screwing the outermost nuts hand tight 2 nuts M8 with contact washers Tighten the nuts with a tightening torque of 25 Nm Fig 641 2 bolted joints at front of labyrinth Tighten the fixing bolts at the top side of the labyrinth hand tight 4 bolts M8x16 with contact washers Tighten the bolts with a tightening torque of 25 Nm Fig 642 4 bolted joints at top side of labyrinth ...

Page 346: ...hutter is flush with the shutter frame 4 Check if the levers 2 are in perfectly straight condition Fig 643 Checking state and position of shutter and levers 1 Shutter 2 Lever 3 Labyrinth 4 Shutter frame The bushing plate the vertical partition and the voltage transformer compartment are installed INFORMATION Final procedure steps Now the panel can be integrated into the course of operation again f...

Page 347: ...mpartment Provide a warning on the high voltage door to indicate activities in the connection compartment on the rear side of the panel Observe the Five Safety Rules Verify safe isolation from supply Do not operate the feeder earthing switch during any activities inside or near the connection compartment Do not remove any ledges on the rear side of the busbar compartment WARNING Reduced safety The...

Page 348: ... through rear side of the panel is not possible in the switch disconnector panel Preconditions If a withdrawable part switching device truck is present in the switching device compartment High voltage door closed Withdrawable part switching device truck in test position Feeder earthing switch in CLOSED position Procedure Verify that the position indicator of the feeder earthing switch on the high ...

Page 349: ...e feeder earthing switch on high voltage door Accessing through the rear wall is described hereafter by the example of a 3 panel arrangement Fig 646 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel Rear wall 3 panel arrangement Fig 647 Contactor panels with panel width 435 mm only Rear wall 3 panel arrangement ...

Page 350: ...ove the connecting elements from one of the vertical ledges 2 14 bolts M8x20 with contact washers Remove the vertical ledge and store it together with the associated connecting elements Proceed in the same way with the other vertical ledge 1 Horizontal ledge 2 Vertical ledges Fig 648 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel 36 bolts on le...

Page 351: ...l by the handle and pull it out Store the rear wall 4 Rear wall with handle 5 Bolts to remove Fig 650 All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel Removing the rear wall Access to the connection compartment through the rear side is given INFORMATION Final procedure steps Immediately proceed to perform the intended checks and works in the conn...

Page 352: ... ledge and store it together with the associated connecting elements Proceed in the same way with the other vertical ledge 1 Vertical ledges Fig 651 Contactor panels with panel width 435 mm only 30 bolts on ledges Remove the sealing brackets 2 and store them 2 Sealing brackets Fig 652 Contactor panels with panel width 435 mm only Removing the sealing brackets Remove the connecting elements from th...

Page 353: ... Installing the rear wall on the connection compartment DANGER Electric shock To perform any kind of activities inside or near the connection compartment of a panel you must ensure that this compartment is safely isolated from supply Without isolation from supply the cables bars connection in the connection compartment will be live at operational high voltage Observe the Five Safety Rules Verify s...

Page 354: ... cleaner and dry properly at the end Some parts and surfaces of the switchgear are greased for functioning Do not remove the grease there do not clean the parts and surfaces If greased areas are dirty clean the dirty area and grease again according to the maintenance instructions Preconditions Rear wall available Corresponding number of sealing brackets ledges and associated connecting elements av...

Page 355: ...r wall 3 panel arrangement All panel versions except for contactor panels with panel width 435 mm and switch disconnector panel At the rear side of the panel insert the rear wall 1 by the handle and push it down Fix the rear wall by screwing the bolts at the bottom hand tight 4 bolts M8x20 with contact washers 2 Tighten the bolts with a tightening torque of 25 Nm 1 Rear wall with handle 2 Bolts to...

Page 356: ...rewing the bolts hand tight 14 bolts M8x20 with contact washers Tighten the bolts with a tightening torque of 25 Nm Proceed in the same way with the other vertical ledge 3 Sealing brackets 4 Horizontal ledge 5 Vertical ledges Fig 657 All panel versions except for contactor panels with panel width 435 mm Installing ledges and brackets The rear wall is installed on the connection compartment INFORMA...

Page 357: ...n the bolts with a tightening torque of 25 Nm 1 Bolts to screw 2 Rear wall with handle Fig 658 Contactor panels with panel width 435 mm only Inserting and fixing the rear wall Insert the 2 sealing brackets 3 into the vertical gaps between the panels Install one of the vertical ledges 4 Fix it by screwing the bolts hand tight 15 bolts size M8x20 with contact washers Tighten the bolts with a tighten...

Page 358: ...r panels with panel width 435 mm only Installing ledges and brackets The rear wall is installed on the connection compartment INFORMATION Final procedure steps Now the panel can be integrated into the course of operation again for example De earthing the feeder Racking the withdrawable part switching device truck to service position 3 4 ...

Page 359: ... Observe the Five Safety Rules Verify safe isolation from supply Do not operate the feeder earthing switch during any activities inside or near the connection duct WARNING Reduced safety The closed connection duct is an important safety element of the switchgear The connection duct is exclusively opened for performing operational activities inside the connection duct Close the connection duct with...

Page 360: ...he switching device compartment High voltage door closed Withdrawable part switching device truck in test position Feeder earthing switch in CLOSED position Procedure Verify that the position indicator of the feeder earthing switch on the high voltage door shows the vertical I position Fig 660 Position indicator of feeder earthing switch on high voltage door ...

Page 361: ...associated connecting elements Remove the connecting elements from one of the vertical ledges 5 9 19 bolts M8x20 with contact washers and plain washers size 8 acc to ISO 7093 Remove the vertical ledge and store them together with the associated connecting elements Proceed in the same way with the other vertical ledges Loosen the connecting elements for the lower rear wall at the panel bottom 6 4 6...

Page 362: ...lated from supply Without isolation from supply the cable connections in the connection duct will be live at operational high voltage Observe the Five Safety Rules Verify safe isolation from supply Make sure all openings on the rear side are closed by fixing bolts before the panel is put into operation again Do not operate the feeder earthing switch during any activities inside or near the connect...

Page 363: ...Preconditions Upper and lower rear wall available Corresponding number of ledges and associated connecting elements available 1 horizontal ledge 4 vertical ledges Bolts size M8x20 and plain washers size 8 acc to ISO 7093 Procedure At the rear side of the panel insert the lower rear wall 4 by the handle and push it down Fix the rear wall by screwing the bolts at the bottom hand tight 4 6 bolts M8x2...

Page 364: ...the horizontal ledge 3 Fix it by screwing the bolts hand tight 12 14 bolts M8x20 with contact washers use washers size 8 acc to ISO 7093 with the bolt fixing in the area of the vertical ledges Tighten the bolts with a tightening torque of 25 Nm The rear walls are installed on the connection duct INFORMATION Final procedure steps Now the panel can be integrated into the course of operation again fo...

Page 365: ...d by turning and removing the associated key If the feeder earthing switch is in CLOSED position switching it to OPEN position can be interlocked by turning and removing the associated key The interlocked functions can be released again by reinserting the associated key and subsequently turning it in opposite direction For customization the interlocking options are available individually and can b...

Page 366: ...ed 2 Screw thread for rotary button 3 Key release Only when feeder earthing switch is in CLOSED position 4 Key release Only when feeder earthing switch is in OPEN position 5 Key release Only when withdrawable part switching device truck is racked to test position Fig 665 Example Cover lifted circuit breaker panel width 800 1000 mm ...

Page 367: ...ED position 2 To interlock switching to OPEN turn the associated key 1 counter clockwise as far as it will go and remove it To release an interlocked function insert the associated key and turn it clockwise as far as it will go that is 180 Example The feeder earthing switch is in CLOSED position 2 To release switching to OPEN insert the associated key 1 as far as it will go and turn clockwise Fig ...

Page 368: ...ed key If the busbar earthing switch is in CLOSED position switching it to OPEN position can be interlocked by turning and removing the associated key The interlocked functions can be released again by reinserting the associated key and subsequently turning it in opposite direction For customization the interlocking options are available individually In case of two interlocks removing both keys si...

Page 369: ...ounter clockwise as far as it will go 1 and remove it 2 Fig 668 Interlocking switching to OPEN Fig 669 Position indicator for busbar earthing switch CLOSED To release an interlocked function insert the associated key and turn it clockwise as far as it will go that is 180 Example The busbar earthing switch is in CLOSED position To release switching to OPEN insert the associated key 1 and turn clock...

Page 370: ...t and the maximum permissible short circuit duration Do not use the earthing device for short circuit tests or purposes causing similarly high voltages and currents Perform diligent inspection of the earthing device accessories before each application Panel width 600 mm Panel width 800 mm Max short circuit current and max short circuit duration 25 kA 1 s 25 kA 1 s Diameter of the fixed contacts in...

Page 371: ...opper wires without coloration Fig 674 Copper wires with brown coloration Perform a manual check of the earthing device and the earthing rod Especially check if all bolted joints at the earthing tulips are firmly tightened If a check shows noticeable problems Do not use these earthing device accessories Contact the locally superior and responsible person Inspection of the earthing device accessori...

Page 372: ...ation Preconditions Withdrawable part switching device truck taken out of the panel Low voltage connector stowed away Both shutter to the connection compartment and shutter to the busbar compartment closed Bushing contacts to be earthed isolated Earthing device accessories available and in perfect condition All panel versions except for contactor panels with 435 mm width Slip on lever for opening ...

Page 373: ... on the left and right side in the switching device compartment can cause injuries by getting squeezed caught or cut Do not remove any parts of the covering Do not reach into the shutter mechanism with hands or tools Bolt the earthing clamp hand tight to the earthing point of the panel using the screw handle This corresponds to a tightening torque of approx 20 Nm Fig 677 Bolting earthing clamp Fig...

Page 374: ...ke sure that the mechanism of the shutter not to be opened is secured with a padlock Contactor panels with panel width 435 mm only Make sure that the main shutter mechanism is secured with a padlock Open the shutter safely Open the shutter strictly as described in chapter 22 Operating the shutters and observe all safety instructions therein While a shutter is open Do not reach into or enter the sw...

Page 375: ...ng contacts in the lower row of bushings linked with the connection compartment DANGER Electric shock Perform the following activities in the presence of an observer until the earthing device is completely mounted to all three bushing contacts In case of emergency this person can call for help Exclusively use the associated earthing rod for attaching the earthing tulips to the bushing contacts Use...

Page 376: ...e hand area with both hands The limit of the safe hand area is marked by a ring Fig 681 Seizing the earthing rod in the safe hand area Lead the coupling of the earthing rod with the earthing tulip on it towards the central bushing contact and push the earthing tulip firmly onto the bushing contact Hereby the earthing rod must point exactly towards the bushing contact Continue pushing the earthing ...

Page 377: ...tulip by pulling Fig 682 Tightening earthing tulip on bushing contact Fig 683 Detaching earthing rod To earth the outer bushing contacts proceed in the same way Fig 684 Earthing tulip fixed on central bushing contact Fig 685 Earthing device completely mounted The earthing device is completely mounted ...

Page 378: ...ts Hereafter it is exemplarily shown how to detach the earthing device from the bushing contacts in the upper row of bushings linked with the busbar compartment Proceed in the same way when detaching the earthing device from the bushing contacts in the lower row of bushings linked with the connection compartment DANGER Electric shock Always observe the Five Safety Rules Exclusively use the associa...

Page 379: ...hing rod must point exactly towards the earthing tulip Align the guides in the coupling of the earthing rod with the two cross bolts on the spindle of the earthing tulip Plug the earthing rod on the earthing tulip and push it in until the two cross bolts touch the end of the guides Fig 688 Plugging the earthing rod onto the tulip Continue pushing the earthing rod slightly towards the earthing tuli...

Page 380: ...r away as possible from the bushing contacts Pull the earthing tulip off the earthing rod and put it carefully on the panel base Fig 691 Pulling off the tulip To detach the other two earthing tulips proceed in the same way Closing the shutter DANGER Electric shock Close the shutter strictly as described in chapter 22 Operating the shutters but leave the other shutter padlocked Close the shutter as...

Page 381: ...ny parts of the covering Do not reach into the shutter mechanism with hands or tools Unscrew the earthing clamp from the earthing point of the panel using the screw handle Remove the earthing clamp Fig 692 Earthing clamp connected with earthing point Fig 693 Unscrewing the earthing clamp Remove the earthing device from the switching device compartment Remove the padlock from the mechanism of the o...

Page 382: ...electrical operation can be operated independently from one another Hence any combination is possible Withdrawable circuit breaker circuit breaker truck Feeder earthing switch Busbar earthing switch Racking Switching Switching Electrical or manual operation Manual operation only Manual operation only Electrical or manual operation Electrical or manual operation Manual operation only Manual operati...

Page 383: ...y opening the control door Fig 695 Circuit breaker type 3AE1 Control door closed and padlocked Fig 696 Circuit breaker type 3AE5 Control door closed amd padlocked 1 Control door 2 Type 3AE5 Handle 3 Type 3AE5 appliance for fitting Padlock 4 Type 3AE1 Handle with padlock Second the user is required to select the appropriate access mode before racking manually or electrically Once an access mode is ...

Page 384: ...emote control Access is released for manual racking Racking the withdrawable circuit breaker circuit breaker truck manually from test position to service position or from service position to test position Preconditions for operating options High voltage door closed Feeder earthing switch in OPEN position Circuit breaker in OPEN position Panel set to local control Control door open Racking interloc...

Page 385: ...or closed Withdrawable circuit breaker circuit breaker truck in test position Opening closing the circuit breaker electrically for testing purposes is not interlocked electrically Opening closing the circuit breaker electrically during service Low voltage connector plugged on High voltage door closed Control door closed Withdrawable circuit breaker circuit breaker truck in service position Opening...

Page 386: ...e switch to LOCAL position NOTICE Maloperation Electrically racking the withdrawable circuit breaker circuit breaker truck is only possible when both the high voltage door and the control door are closed If the control door is open during an electrical racking procedure the motor stops immediately Do not open the control door during an electrical racking procedure Instruction label on control door...

Page 387: ...ulling the handle Fig 701 Circuit breaker type 3AE5 Removing the padlock pulling the handle The control door is open 27 3 Closing the control door NOTICE Maloperation The panel automatically blocks electrical racking when the control door is open To prevent accidentally blocking access for electrical racking by opening the control door padlock the control door immediately after closing it Precondi...

Page 388: ...he padlock The control door is closed 27 4 Selecting manual operation for racking NOTICE Conflicting operation The requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time For any local operations manual or electrical set the panel to local control for example by switching the local remote switch to LOCAL position or Fig...

Page 389: ...ctivated Access mode indicator shows M or T Procedure To release the actuating opening for the double bit key lift the operating slide 1 and hold it Insert the double bit key 2 Fig 705 Lifting the operating slide and inserting the key To release manual access to the withdrawable circuit breaker circuit breaker truck turn the double bit key until the operating mode indicator changes to H To change ...

Page 390: ...requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time For any local operations manual or electrical set the panel to local control for example by switching the local remote switch to LOCAL position INFORMATION Electrical racking is only possible when both the high voltage door and the control door are closed After rel...

Page 391: ...Turning the key clockwise Remove the double bit key and push the operating slide downwards as far as it will go Close the control door Fit a padlock to the control door and close it Racking the withdrawable circuit breaker circuit breaker truck is set to electrical operation 27 6 Selecting interlocking NOTICE Conflicting operation The requirement of setting the panel to either local or remote cont...

Page 392: ...EN position Access mode indicator shows M or double bit key for selecting racking mode inserted and access mode indicator shows H For electromagnetic interlock optional Electromagnetic interlock deactivated Procedure If the access mode indicator shows M and the double bit key is not inserted insert it To release the actuating opening for the double bit key lift the operating slide 1 and hold it In...

Page 393: ...180 counter clockwise Remove the double bit key and push the operating slide downwards as far as it will go Close the control door Fit a padlock to the control door and close the padlock INFORMATION Final procedure steps You may now open the high voltage door and take the withdrawable circuit breaker circuit breaker truck out of the panel INFORMATION When the control door is closed the access mode...

Page 394: ...ck is only permissible if the circuit breaker is in OPEN position Check if the circuit breaker is in OPEN position If required switch the circuit breaker to OPEN position before racking NOTICE Maloperation Racking the withdrawable circuit breaker circuit breaker truck is only permissible if the feeder earthing switch is in OPEN position Check if the feeder earthing switch is in OPEN position If re...

Page 395: ...ck the control door immediately after closing it Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper operation of the racking crank for moving the withdrawable circuit breaker circuit breaker truck Fig 714 High voltage door Instruction label about operation of racking crank Preconditions Withdrawable circuit br...

Page 396: ...clockwise Remove the racking crank for moving the withdrawable circuit breaker circuit breaker truck Turn the double bit key clockwise as far as it will go to block access for manual racking and release electrical racking The operating mode indicator changes to M from to Fig 717 Turning the key clockwise Remove the double bit key To close the actuating opening push the operating slide down as far ...

Page 397: ...ion If required switch the feeder earthing switch to OPEN position before racking NOTICE Maloperation Electrically racking the withdrawable circuit breaker circuit breaker truck is only possible when both the high voltage door and the control door are closed If the control door is open during an electrical racking procedure the motor stops immediately Do not open the control door during an electri...

Page 398: ... breaker truck to test position manually NOTICE Conflicting operation The requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time For any local operations manual or electrical set the panel to local control for example by switching the local remote switch to LOCAL position NOTICE Maloperation Racking the withdrawable ci...

Page 399: ...rical racking by opening the control door padlock the control door immediately after closing it Instruction label on high voltage door In addition to these instructions an instruction label on the high voltage door informs about proper operation of the racking crank for moving the withdrawable circuit breaker circuit breaker truck Fig 718 High voltage door Instruction label about operation of rack...

Page 400: ...ing crank for moving the withdrawable circuit breaker circuit breaker truck Depending on the access mode intended turn the double bit key until the operating mode indicator changes to M or to T To release electrical access to the withdrawable circuit breaker circuit breaker truck change from H to M by turning 90 clockwise To block any access to the withdrawable circuit breaker circuit breaker truc...

Page 401: ... circuit breaker circuit breaker truck has been manually racked from service position to test position INFORMATION Final procedure steps If T is selected you may now open the high voltage door and take the withdrawable circuit breaker circuit breaker truck out of the panel Otherwise you may now go on to close the circuit breaker electrically for testing purpose ...

Page 402: ...or during an electrical racking procedure NOTICE Conflicting operation Racking the circuit breaker circuit breaker truck electrically is possible locally or from a central control The requirement of setting the panel to either local or remote control prevents operating the panel locally and centrally at the same time Depending on the intended operating mode set the panel to either local or remote ...

Page 403: ... inspection window 2 Fig 723 Circuit breaker type 3AE1 Actuating opening for opening the circuit breaker manually Fig 724 Circuit breaker type 3AE5 Actuating opening for opening the circuit breaker manually Fig 725 Circuit breaker type 3AE1 Control door Fig 726 Circuit breaker type 3AE5 Control door 1 Actuating opening for opening the circuit breaker 2 Inspection window for CLOSED OPEN indicator o...

Page 404: ...reby operating the ON pushbutton underneath the high voltage door In contrast to manually opening the circuit breaker closing is only possible when the control door is open However the indicator for the circuit breaker position can still be seen through an inspection window after closing the control door Fig 727 Circuit breaker type 3AE1 Actuating opening for closing the circuit breaker manually F...

Page 405: ...ter 10 12 27 13 Charging discharging the spring energy store manually Charging the spring energy store manually is carried out by inserting a hand crank through an actuating opening in the high voltage door and turning it subsequently Discharging can only be done manually It is carried out by pushing a rod alternately through the actuating openings for opening closing the circuit breaker Charging ...

Page 406: ...For any local operations manual or electrical set the panel to local control for example by switching the local remote switch to LOCAL position NOTICE Covered control elements For safety reasons some of the actuating openings involved in charging discharging the spring energy store are covered by the control door Open the control door to uncover the actuating openings on the high voltage door The ...

Page 407: ...tor for the feeder earthing switch position can still be seen through an inspection window after closing the control door Fig 735 Circuit breaker type 3AE1 Control elements for feeder earthing switch on high voltage door Fig 736 Circuit breaker type 3AE5 Control elements for feeder earthing switch on high voltage door 1 Operating slide for opening and closing the actuating opening for operating th...

Page 408: ... local remote switch to LOCAL position NOTICE Covered control elements For safety reasons the actuating opening for earthing de earthing the feeder is covered by the control door Open the control door to uncover the actuating opening on the high voltage door INFORMATION Earthing the feeder is only permissible if the withdrawable circuit breaker circuit breaker truck is in test position When earthi...

Page 409: ...ly at the same time Depending on the intended operating mode set the panel to either local or remote control for example by switching the local remote switch INFORMATION Earthing the feeder is only permissible if the withdrawable circuit breaker circuit breaker truck is in test position When earthing the feeder in this way the position of the circuit breaker is not significant The feeder may be ea...

Page 410: ...ing de earthing the busbar system manually in panels with motor operating mechanism control are identical with the procedures in panels without motor operating mechanism control For earthing de earthing the busbar system manually see chapter 21 27 17 Earthing de the busbar system electrically NOTICE Conflicting operation Earthing de earthing the busbar system electrically is possible locally or fr...

Page 411: ...racking operation is the precondition for opening the high voltage door Before opening the high voltage door set the access mode indicator to T For any operating options concerning circuit breaker panels with motor operating mechanism control that have not been described in the chapters 27 1 to 27 17 see the relevant chapters in these Operating Instructions in particular Opening the high voltage d...

Page 412: ... 100 mA in operating mode 3 Energizing when the command is given Until the motor starts up 180 ms 4 Power consumption of geared motor for racking function 110 V DC Motor starting current approx 6 5 A Continuous motor current while racking approx 1 A Motor power approx 1 2 W Further values on request 5 Motor running time for racking function 65 s 6 Feedback monitoring time for racking valid switchi...

Page 413: ...cking 1 No feedback of auxiliary switch during command rack withdrawable circuit breaker circuit breaker truck to test position On Check operating mechanism or motor with respect to blocking 1 No automatic shutdown after end of command On Circuit for automatic shutdown in motor control unit defective High voltage door is open while the withdrawable circuit breaker circuit breaker truck is being ra...

Page 414: ...110 500 10 230 to 240 Temperature control in the panel is done via a mechanical temperature controller or via an electronic temperature and humidity controller 28 2 Mechanical temperature controllers NOTICE Damage due to incorrect application The temperature controllers require direct connection to the ambient air Do not cover the ventilation slots of the temperature controllers The mechanical tem...

Page 415: ...rcuit for heater operation is open LED does not light up Humidity function If the relative humidity rises above the adjusted value the circuit for heater operation is closed LED lights up If the relative humidity falls below the adjusted value the circuit for heater operation is open LED does not light up Fig 741 Electronic temperature and humidity controller 28 4 Applications for temperature cont...

Page 416: ...f operation of the switchgear the integrated temperature and humidity controllers must be adjusted to the local temperature and or humidity conditions in the application area of the switchgear panels by the respective operator Installation in the panel The temperature and humidity controllers are installed top left inside the switching device compartment directly at the side of the vertical wiring...

Page 417: ... please contact your regional Siemens representative 29 2 Time schedule for maintenance measures Besides the recommended maintenance intervals additional maintenance measures may be required for operational reasons Recommended time schedule for maintenance measures Measure Interval Operational fact Visual inspection Every year or at the operator s discretion Maintenance Every 10 years or depending...

Page 418: ...ary vacuum cleaner without damaging the metal grids 1 or ventilation slots 2 Fig 743 View from above onto a ventilation unit in the pressure relief duct Fig 744 Exemplary view of a ventilated panel with ventilation slots at the side and in the high voltage door Clean dust layers or foreign objects in the fan box by using a customary vacuum cleaner without damaging the metal grids 1 Fig 745 Exempla...

Page 419: ... are completely de energized tagged or locked out and released for work in an authorized manner Disable remote control and automatic schemes De energize all direct and back feed power and control sources Disconnect all voltage and control power transformers Verify safe isolation from supply Earth the feeder in the respective panel or panels DANGER Danger due to foreign objects Serious switchgear d...

Page 420: ...be serviced and maintained as specified in the associated operating instructions Carry out maintenance and servicing at shorter intervals at the operator s discretion if there is a lot of dust or if the air is extremely humid and or polluted Following the results of the visual inspection grease the following Guide rails and shutter guiding linkage Fixed contacts of the earthing switch Fixed contac...

Page 421: ... Guide rails 2 ISOFLEX TOPAS L 32 Order no 3AX1133 3E 1 kg www klueber com Fixed contacts of feeder earthing switch 3 MOLYKOTE LONGTERM 2 PLUS EXTREME PRESSURE BEARING GREASE Order no 8BX1022 1 kg www dowcorning com Main fixed contacts of bushings 4 Fixed contacts of the switch fuse combination 5 Fig 746 Circuit breaker disconnecting metering and contactor panels panel width 600 mm Fig 747 Contact...

Page 422: ...it from the accessories DANGER Maloperation The function test at the overpressure monitors may be performed during running operation Obtain release for the planned test of the overpressure monitors Coordinate the procedure with operational activities Ensure uninterrupted communication with the operator at the central control Always perform the function test on one overpressure monitor only and com...

Page 423: ...lable locking cap firmly screwed on Fig 750 Low voltage compartment for example with 2 overpressure monitors Procedure Detach the tube to the compartment 7 from the tube connector 6 To do this push the detachment ring 8 at opposite points towards the tube connector and at the same time pull the tube to the compartment out of the tube connector in opposite direction 1 Manometer 2 Test tube 3 Lab bo...

Page 424: ...7 insert the tube of the test unit 2 into the tube connector 6 as far as it will go Fig 752 Detail view of connection of test tube Press the soft lab bottle of the test unit carefully and observe the manometer indication 1 In the indication range from 8 to 12 the overpressure monitor must trip Fig 753 Overpressure function test ...

Page 425: ...ion are designed for a maximum operating time of 40 000 hours Replace a fan in the fan box on the pressure relief duct before it reaches 40 000 operating hours The procedure is described in the Installation Instructions order number 110 0084 9 Specification of fans to be used Manufacturer ebm papst company Type R2E270 AA01 05 Power consumption 280 W 50 Hz 430 W 60 Hz Operating hours 40 000 h Opera...

Page 426: ...lation The components of the switchgear can be recycled as mixed scrap however dismantling as far as possible into sorted scrap with a residual mixed scrap portion is the more environmentally compatible way Electronic scrap must be disposed of in accordance with the existing regulations The switchgear consists of the following materials Sheet metal galvanized powder coated Cr Ni steel Copper and a...

Page 427: ...nnector High voltage door cannot be opened Withdrawable part is in service position Rack the withdrawable part to test position Withdrawable part Fault Cause Remedy Actuating opening cannot be opened withdrawable part cannot be moved to service position Operating lever is inserted in the manual CLOSE OPEN operating mechanism of the feeder earthing switch Remove the operating lever Operating slide ...

Page 428: ...ating lever cannot be inserted Withdrawable part in service position Rack the withdrawable part to test position switch the circuit breaker to OPEN position if required Circuit breaker Fault Cause Remedy Circuit breaker cannot be closed Racking crank for moving the withdrawable part is inserted Remove the racking crank for moving the withdrawable part Withdrawable part is in intermediate position ...

Page 429: ...nnector High voltage door cannot be open Switching device truck is in service position Rack the switching device truck to test position Switching device truck Fault Cause Remedy Actuating opening cannot be open switching device truck cannot be moved to service position Operating lever is inserted in the manual CLOSE OPEN operating mechanism of the feeder earthing switch Remove the operating lever ...

Page 430: ...nnot be inserted Switching device truck in service position Rack the switching device truck to test position switch the circuit breaker to OPEN position if required Circuit breaker Fault Cause Remedy Circuit breaker cannot be closed Racking crank for moving the switching device truck is inserted Remove the racking crank for moving the switching device truck Switching device truck is in intermediat...

Page 431: ...g spring for fused switch fuse combination is not charged Fuse has tripped Replace fuse Switch fuse combination cannot be switched to CLOSED position Switch fuse combination has not latched Turn the operating lever completely to the end position to ensure that the toggle fastener of the switch fuse combination latches tight and the switch fuse combination can be closed again If these operating ins...

Page 432: ...ont 298 through the rear side 347 Connection compartment closing installing rear wall 353 installing vertical partition 307 Connection duct accessing through the rear side 359 closing the rear wall 362 Contactor panel 435 mm width operating 109 Contactor panel 600 mm width operating 148 Control door motor operating mechanism closing 387 opening 386 Customer support 38 D Danger 3 Design panel 25 Di...

Page 433: ...connecting panel 99 metering panel 103 switch disconnector panel 217 I IAC classification 14 INFORMATION 3 Inserting part truck in a panel circuit breaker part 77 circuit breaker truck 89 contactor part 435 mm width 133 contactor truck 600 mm width 180 disconnector part disconnector truck 101 metering part metering truck 104 205 removable voltage transformers 253 Instructions general 9 Isolation f...

Page 434: ...ating conditions 17 Operating instructions for circuit breaker 3AE 18 for contactor 3TL 3TM 19 for switch disconnector fuse combination L TRI 5 20 Operating the switch disconnector fuse combination closed position 221 open position 224 Operating tools 33 Overpressure sensors function test 422 Overview CAPDIS systems 269 LRM system 266 motor operating mechanism control 382 panel types 21 VOIS syste...

Page 435: ...panel 435 mm width 138 contactor panel 600 mm width 190 199 metering part metering truck 104 205 removable voltage transformers 258 switch disconnector fuse combination 233 S Safety instructions 3 Service information 417 Service truck 35 Shutter operating 283 Spare parts 425 Spring energy store in circuit breaker discharging 60 405 manual charging 61 405 Standards 13 Support 38 switch disconnector...

Page 436: ...Imprint Siemens AG Energy Management Medium Voltage Systems Switchgear Factory Frankfurt Carl Benz Str 22 D 60386 Frankfurt Siemens AG 2019 ...

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