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AREVA T&D

Technical Instructions

Gas-Insulated switchgear

up to 36 kV

Operating Instructions

No. AGS 531 591-01

Edition 09/06

G A S - I N S U L AT E D S W I T C H G E A R

Содержание WS Series

Страница 1: ...AREVA T D Technical Instructions WS Gas Insulated switchgear up to 36 kV Operating Instructions No AGS 531 591 01 Edition 09 06 GAS INSULATED SWITCHGEAR ...

Страница 2: ...onic version Non compliance with this instruction may result in serious damage to the product and its associated items as well as a health hazard or mortal danger AREVA shall not be held liable for any such consequences AREVA T D Worldwide Contact Centre http www areva td com contactcentre 44 0 1785 250 070 Manufacturer AREVA Energietechnik GmbH Sachsenwerk Medium Voltage Rathenaustrasse 2 D 93055...

Страница 3: ... 4 1 General data 16 4 2 Pressure gauge 17 4 3 IGIS 17 5 Voltage detection systems 18 5 1 Integrated Voltage Detecting System IVIS 18 5 2 Pluggable voltage detection system 18 5 3 Phase monitors 18 6 Operation 19 6 1 Operator interfaces 19 6 2 Interlocks 20 6 3 Switching circuit breaker disconnector earthing switch 23 6 4 Standard switching operations 26 6 5 Earthing the busbar 27 6 6 Bus sectiona...

Страница 4: ... about dangers or pro vide important information which must be observed to avoid danger to personnel and damage to equip ment Warning This symbol warns of dangerous electrical voltage Contact with live parts may result in fatal injury Warning This symbol indicates important instructions Non compliance may result in serious injury death or damage to the equipment Important This symbol is used for i...

Страница 5: ...SF6 Rated pressure pre at 20 C MPa 0 03 0 075 4 Environmental and operating conditions Degree of protection against accidental contact and foreign objects acc IEC 60529 Main electric circuits IP65 Drives IP2X 1 Low voltage cabinet IP3X 1 Cable connection compartment IP3X 2 1 optional IP 52 2 optional Designation IEC standard EN standard Switchgear IEC 62271 200 EN 62271 200 IEC 60694 EN 60694 Beha...

Страница 6: ...e part of the switchgear unit has not been isolated from the power supply Warning Before performing work on the drives switch off the auxiliary circuit and prevent it from reclosing Warning There is a risk of injury when working on the drive mechanism Release the circuit breaker s energy storing device by per forming the corresponding OFF ON OFF operating sequence in case of a make proof earthing ...

Страница 7: ...stand voltage 170 kV Dimensions Panel width 600 mm Panel height 2 300 mm 1 2 3 4 In case of queries and orders for spare parts the following data on the name plate must be specified Type designation Serial number Year of manufacture 2 2 Ratings for Switchgear WS Rated voltage Ur kV 12 17 5 24 36 Rated lightning impulse withstand voltage Up kV 75 95 125 170 Rated short duration power frequency with...

Страница 8: ...nit Blocking coil Blocking coils prevent the circuit breaker from being closed and opened via the mechanical push buttons ON or OFF as well as actuation of the interlocking levers of the disconnectors and earthing swit ches Times for releases and motor Minimum tripping command duration for release 160 W ms 20 for release 25 W ms 50 minimum closing command duration ms 20 Motor charging time s 12 Ov...

Страница 9: ...e cams are enabling inivi dually setting of switching perfor mance Setting should only be car ried out by a specialist who is used to the installed auxiliary switches Auxiliary switches may not be disas sembled Fig 2 2 Setting the cams of the auxiliary switch Cam Viewing direction for adjustment Rated supply voltage DC Switching capacity Time constant T L R Rated short time current V A 24 8 ms 20 ...

Страница 10: ...ntrol panel 2 Circuit breaker compartment 3 Busbar tank with disconnector and earthing switch 4 Supporting structure with cable connection area 5 Low voltage cabinet 7 Cable test sockets 8 IVIS voltage indicator 3 1 Single busbar panel WSA 7 4 5 8 2 3 1 ...

Страница 11: ... cable connection Circuit breaker panel Circuit breaker Disconnecting earthing switch Toroidal core current transformer Multi cable connection disconne table flange mounted voltage trans formers Circuit breaker panel Circuit breaker Disconnecting earthing switch Toroidal core current transformer Single cable connection disconnectable flange mounted voltage trans formers on the busbar Bus section c...

Страница 12: ...sbar metering panel with current transformers in the busbar run Busbar metering panel with current transformers in the busbar run and metal enclosed voltage transfor mers in feeder panel area connected via cable Busbar earthing with earthing switch in the busbar run 1 Cable connection and earthing for work purposes on the busbar e g for metal enclosed bus bar voltage trans formers or cable connect...

Страница 13: ...cuit breaker 3 Busbar tank 1 with disconnector and earthing switch 4 Busbar tank 2 with disconnector 5 Supporting structure and cable connection 6 Low voltage cabinet 7 Cable test sockets 8 IVIS voltage indicator 3 2 Double busbar panel WSB 1 2 1 8 6 2 4 3 7 5 ...

Страница 14: ...mer Multi cable connection disconnectable flange mounted voltage transfor mers with primary fuse pro tection on request in case of 36 kV Bus coupler Circuit breaker Disconnecting earthing switch Toroidal core current transformer lower busbar tie connec tion in gas filled compart ment Bus coupler in single panel width with Circuit breaker Disconnecting earthing switch Toroidal core current transfor...

Страница 15: ...pending on the busbar position for inner cone type bushings size 1 3 or fully insulated conductor bar terminal Busbar metering panel with current transformers in the busbar run and metal enclosed voltage transfor mers in feeder panel area connected via cable Busbar earthing with earthing switch in the busbar run 1 Cable connection and earthing for work purpo ses on the busbar e g for metal enclose...

Страница 16: ...portant The switchgear specific gas compartment diagram must be complied with Measures to be taken at the various warning thresholds 1 Refer to the instructions for the Use and handling of insulating gas for WS 2 These values apply for an insulating gas temperature of 20 C The insulating properties may be impaired after a certain period due to penetrating ambient air Warning threshold Pre alarm in...

Страница 17: ...C in the switchroom The pressure indication remains constant if the operating mode remains unchanged even if the temperature in the switchgear room changes 1 2 3 4 1 2 1 2 Fig 4 2 Insulating gas monitoring with individual monitoring of the circuit breaker compartments and integrated monitoring of the busbar compartment example 1 Pressure gauge for circuit breaker compartment 2 Gas connector socket...

Страница 18: ...eeder panels is detected via a separate voltage detection system according to IEC 61243 5 Socket contacts for the indicators are located on the panel front as well as on the rear side of the panel Fig 4 3 Capaci tive voltage indicators of all the approved manufacturers can be used Fig 4 2 Important Comply with the manufac turer s Operating Manual of the voltage indicators used Important All three ...

Страница 19: ...ating lever Switch position indicator Insertion opening for switch operation Disconnector Interrogating lever Switch position indicator Insertion opening for switch operation Mechanical lock out Circuit breaker operations counter 8 7 Important All the information about double busbar switchgear is subject to the following determination as regards the position of the busbars 7 Busbar 1 corresponds t...

Страница 20: ...been removed or if the interrogating lever has been actuated the circuit breaker can not be switched ON Push but ton ON cannot be pressed or the ON pulse is interrupted This also applies for couplers Electromagnetic interlocks Electro magnetic blocking coils prevent depending on the switching position actuation of the interro gating levers and of the ON OFF buttons of the circuit breaker Important...

Страница 21: ...terlocks in case of feeder panels double busbar switchgear WSB on front control panel interrogating lever locked electro magnetically The interlocks act as appropriate in case of remote control bus coupler switched OFF bus coupler switched ON Circuit breaker ON OFF ON OFF ON OFF OFF button free blocked free Energy storing device released Disconnector 1 ON OFF ON OFF OFF ON ON Interrogating lever 1...

Страница 22: ...logously in one panel width Interlocks apply analogously even if BB1 and BB2 are interchanged Circuit breaker ON OFF ON OFF OFF ON OFF button free blocked blocked 2 Energy storing device released Disconnector panel 1 ON OFF ON OFF OFF ON ON Interrogator lever panel 1 blocked free blocked free free blocked Disconnector panel 2 OFF ON OFF ON OFF OFF ON Interrogator lever panel 2 blocked free blocked...

Страница 23: ...nd circuit breaker push buttons depending on design are in locked position An undervoltage release optional has dropped out Charging the circuit breaker s energy storing device Initial position Circuit breaker OFF Energy storing device released Manual charging 1 Turn slide in the insertion opening to the left and insert crank 2 Perform approx 40 turns to the right until the position indicator indi...

Страница 24: ...ate opening release by means of the secondary release or the low voltage release Position indicator indicates the OFF position see Fig 6 10 24 Position indicators on circuit breaker and possible operating sequences Item Position indicator Position indicator Opening spring Possible Energy storing device ON OFF switch position operating closing spring sequence 1 released OFF released none released 2...

Страница 25: ... manually 1 Turn interrogating lever to release the appropriate insertion opening 2 Insert crank and turn it clockwise 10 times The position indicator shows ON 3 Remove crank Switching OFF manually 1 Turn interrogating lever to release the appropriate insertion opening 2 Insert crank and turn it counter clockwise 10 times The position indicator shows OFF 3 Remove crank Important Motor drive option...

Страница 26: ...upler in two panel widths Initial position bus coupler OFF 1 Switch disconnectors 1 and 2 ON 2 Circuit breaker ON Operating sequence performed in an analog fashion for bus couplers in one panel width and bus section coupler Important When switching off the bus coupler at least one dis connector must be set to OFF in each feeder panel of the busbar sections in question Warning The interlocking con ...

Страница 27: ...ously 27 Earthing the busbar by means of a feeder panel via its circuit breaker Initial position Feeder panel EARTHED 1 Remove cable and connect eart hing device optional Alternatively the earthing device can be connected to the cable test sockets if Ik 31 5 kA 1s 2 Switch earthing switch OFF 3 Switch disconnector ON 4 Switch circuit breaker ON 6 5 Earthing the busbar Warning The disconnectors on ...

Страница 28: ...Switching ON manually 1 Turn interrogating lever to release the appropriate insertion opening 2 Insert crank and turn it clockwise 10 times The position indicator shows ON 3 Remove crank Switching OFF manually 1 Turn interrogating lever to release the appropriate insertion opening 2 Insert crank and turn it counter clockwise 10 times The position indicator shows OFF 3 Remove crank 28 Warning All d...

Страница 29: ...lating device 2 Swing lever speedily The isolating device slides on the earthing contact voltage transformer earthed 3 The locating pin must lock into the bore hole in its new end position it must not be left in an intermediate position 2 Fig 6 33 Isolating device for voltage transformer on the busbar 1 Locking pin 2 Lever 3 Description of the positions Fig 6 34 Isolating device for the voltage tr...

Страница 30: ...itions see sect 1 4 Making threshold 2 000 A Breaking threshold 1 900 A Air flow monitor To ensure the cooling effect requi red the fan can be monitored by an air flow monitor which is directly installed in the outlet duct of the fan optional If there is no air flow due to failure of the fan the air flow monitor issues a signal Measures in case of failure of the fan Reduction of the maximum operat...

Страница 31: ... tripping circuit the circuit breaker is switched off by actu ation of the earthing switch towards OFF Turn interrogating lever earthing switch and insert the crank Turn crank counter clockwise by approx 1 turn until the circuit breaker has switched off The test position is reached 8 Perform cable check observing the instructions of the cable or cable connector manufacturer Once the cable test has...

Страница 32: ...e applied Warning The drives must not be disassembled for ser vice and maintenance work Disclaimer of liability see section 1 3 Important In case of frequent conden sation or air pollution dust smoke and corrosive gases the maintenance intervals must be adapted to the actual conditions In case of ambiguities or irregulari ties please contact the manufactu rer s Service Center immediately 9 2 Safet...

Страница 33: ...Remove the front cover by lifting it forward Access to the disconnecting and earthing switch drives is facilitated if the front cover of the right hand adjacent panel is also removed Once maintenance work has been terminated reverse disassembly sequence to re mount the interroga ting levers and the front cover Points of lubrication The entire drive mechanism is lubri cated at the factory using the...

Страница 34: ...34 Fig 9 4 Circuit breaker drive 1 2 3 4 5 6 7 8 ...

Страница 35: ...paringly just moisten points of lubrication Apply a thin film of multi purpose lubricant e g using a paint brush Liquid lubricant FL for bearings joints and guide assemblies Pour drops of liquid lubricant oil can drip feed lubricator into the bearing gap Liquid lubricant gets between the bearing surfaces due to the capillary effect In case of inac cessible lubrication points use an extension tube ...

Страница 36: ...36 Fig 9 6 Disconnector and earthing switch drive WSA Fig 9 7 Disconnector and earthing switch drive WSB ...

Страница 37: ...d detergent use sparingly just moisten points of lubrication Apply a thin film of multi purpose lubricant e g using a paint brush Liquid lubricant FL for bearings joints and guide assemblies Pour drops of liquid lubricant oil can drip feed lubricator into the bearing gap Liquid lubricant gets between the bearing surfaces due to the capillary effect In case of inac cessible lubrication points use a...

Страница 38: ...s They indicate whether the vacuum interrupter chambers need to be replaced The data for the rated normal current and rated short circuit opening cur rent are indicated on the rating plate Fig 9 9 Rating plate Ir Rated normal current A Isc Rated short circuit breaking current kA 30 000 10 000 5 000 1 000 500 100 50 10 Breaking current log Ia Ir ISC No of breaking operations n ...

Страница 39: ...835 Liquid lubricant FL 0 5 l can S 008 153 The use of alternative auxiliary roducts is not permissible 10 2 Accessories optional Ref No Crank for circuit breaker disconnector earthing switch busbar earthing switch AGS C54 850 01 Double bit key AGS 434 101 01 If equipped with IVIS Phase monitor MS 100 AGS C26 320 01 Constant voltage indicator Manufacturer Horstmann S 065 081 ...

Страница 40: ...40 Notes ...

Страница 41: ...41 Notes ...

Страница 42: ...42 Notes ...

Страница 43: ......

Страница 44: ...go and any alternative version thereof are trademarks and service marks of AREVA The other names mentioned registered or not are the property of their respective companies 389191982 RCS PARIS AREVA T D Worldwide Contact Centre http www areva td com contactcentre Tel 44 0 1785 250 070 ...

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