Siemens 15-FSV-1000 User Manual Download

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SIEMENS

Vacuum Circuit Breakers

Type FSV and MSV

Instructions

Installation

Operation

Maintenance

SG-3248-01

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Summary of Contents for 15-FSV-1000

Page 1: ... SIEMENS Vacuum Circuit Breakers Type FSV and MSV Instructions Installation Operation Maintenance SG 3248 01 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...ords DANGER WARNING CAUTION are used in this instruction book and on product labels to indicate degrees of hazard that may be encountered by the user These signal words are defined below A DANGER Indicates death severe personal injury or substantial property damage will result if proper precautions are not taken A WARNING Indicates death severe personal injury or substantial property damage can re...

Page 3: ...dervoltage Release 20 Construction and Mode of Operation 20 Capacitor Trip Device 22 Interrupter Operator Maintenance General 23 Inspection Check List 23 Hand Tools Recommended 23 General 23 Metric 23 English 23 Minimum Maintenance Schedule 24 Lubrication 24 Overhaul 24 Lubrication of the Operating Mechanism 24 Vacuum Interrupters 25 Contact Erosion 25 Interrupter Vacuum Check Mechanical 26 High P...

Page 4: ...r the purchaser s purposes the matter should be referred to the local Siemens Energy Automation Inc sales office THE CONTENTS OF THIS INSTRUCTIONAL MANUAL SHALL NOT BECOME PART OF OR MODIFY ANY PRIOR OR EXISTING AGREEMENT COMMITMENT OR RELATIONSHIP THE SALES CONTRACT CONTAINS THE ENTIRE OBLIGATION OF SIEMENS ENERGY AUTOMATION I NC THE WARRANTY CONTAINED IN THE CONTRACT BETWEEN THE PARTIES IS THE S...

Page 5: ...ed for Manual Operation 17 Operator Seq uential Operation Diagram 18 Typical Elementary Diagram 1 9 Construction of Shunt Release 20 Latch Detail Shunt Release Shown Charged 20 Latch Detail Undervoltage Release Shown Charged 21 Undervoltage Blocking Feature 21 Capacitor Trip Device 21 Lubrication of Operator 25 Typical Primary Interrupter Contact Life Curves 26 Contact Erosion Check 26 Lower Pole ...

Page 6: ...iculties should be avoided However they are not intended to cover all details or variations that may be encountered in connection with the in stallation operation and maintenance of this equipment Should additional information be desired including replace ment instruction books contact your Siemens representative Page 1 Receiving Circuit breakers are normally shipped from the factory com pletely a...

Page 7: ...moving breaker to location with a fork lift observe weight and lifting locations on the carton Carefully remove carton and plastic cover When moving breaker to location with a crane observe weight and sling lifting locations on the carton Use a spreader to prevent frame distortion and or damage to the barriers Carefully remove carton and plastic cover Figure 1 Circuit Breaker Handling Instructions...

Page 8: ... Maintenance Program a Insulation resistance tests should be made to verify the insulation integrity These can include megger or Dobel tests If possible a high potential test should be made for one minute at RATED TEST VOLTAGE VOLTS AC D C MAX 4 75 kV 1 4 000 20 000 8 25 kV 27 000 38 000 1 5 0 kV 27 000 38 000 Page 3 NOTE Before testing the procedures and safety precautions indi cated in High Pote...

Page 9: ...ON WHEHf INTEGLOCK f llJN n THIKf 1 POSITIVE STOP RAISE RACKING RELEASE HANDLE AND f USH JREAKER TO TEST POSITION WHERE IT WILL MAKE A POSITIVl STOP AND VVIL I BE AUTOMATICALLY COUPLED TO THE DRIVE MECHANISr 1 l MOVING THE BREAKER BE TWEEN TH _ DISCONNECT AND TE T f OSITION IS ACCOMPLISHED BY lAST RAISING THE RACKING RELEA iF HANOLE AND EITHER PUSHING BREAKER FROM DISCONNECT TO TEST POSITION OR PU...

Page 10: ...ized bus If an energized bus is un avoidable obtain appropriate clearances before beginning the next two steps Page 5 19 Move breaker to fully connected position on a de ener gized bus Close and trip breaker from main control position 20 If a lock out key interlock has been provided place this interlock in the breaker locked out position key re moved and perform a close operation Check that the br...

Page 11: ...charge Roller Secondary Disconnect I II If I I I I II I II II 11 0 II II I I II 0 li II 0 II II f Guide Bar MSV Cubicle Side View Figure 2a MSV Breaker Front and Side Elevation Page 6 i 11 f D II 11 Close I 0 Trip I It rr I I I I I I II Shutter I Guide I I l I Grounding Contacts Breaker Front Elevation w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 12: ...Roller 11 II I I Closing Spring Charged Indicator Open Close lndicator H n Operation Counter Secondary Disconnect FSV Breaker Front and Side Elevation Front Elevation Page 7 Close Trip Racking Release Handle Shutter Gu1de ___ ___ Grounding Contacts w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 13: ...the main circuit 1n all poles PageS Rating Plate Content Hz Wiring Diagram Motor Spring Charging Volt Range Amps Nominal Close Spring Release Coil Volt Range AMP Nominal Trip Shunt Trip Coil Volt Range Amps Nominal Manual LBS Serial No Date Mfg Rated frequency is the sinusoidal periodicity at which the circuit breaker is designed to operate An elementary diagram providing detailed information rega...

Page 14: ...15 FSV 750 15 0 2000 60 28 1 30 5 1 5 FSV 750 1 5 0 3000 60 28 1 30 5 15 FSV 1000 15 0 1 200 60 37 1 30 5 15 FSV 1000 1 5 0 2000 60 37 1 30 5 1 5 FSV 1 000 15 0 3000 60 37 1 30 5 Table 1 058kA OPTIONAL Rating Summary 077kA OPTIONAL Page 9 Rating Summary 1 Breaker Type 2 Rated Maximum Voltage kV 3 Continuous Current AMP 4 Power System Frequency Hz 5 Rated Short Circuit Interrupt Current kA 6 Voltag...

Page 15: ...ow fre quency withstand voltage impulse withstand voltage and rated continuous current must be corrected in accordance with ta ble 2 Table 2 Altitude Correction Factors k Altitude Rated Maximum Voltage and Rated Continuous ft m Insulation Level Current 3300 1 000 1 00 1 00 5000 1 500 0 95 0 99 1 0000 3000 0 80 0 96 NOTE Interpolated correction factors shall be used in determining factors for inter...

Page 16: ...ted on the common motor or hand charged spring Figure 4 1 6 20 27 60 40 29 Typical Vacuum Tube and Operating Mechanism Subassembly SKV Vacuum Breaker Page 11 stored energy operating mechanism housing This sub as sembly is shown in figures 4 5 Construction Refer to Figures 4 8 Each of the circuit breaker poles are fixed to the rear of the operating mechanism housing 60 by two cast resin insula tors...

Page 17: ...9 1 Vacuum Interrupter Figure 7 The moving contacts 26 motion is aligned and stabilized by Page 12 Mt It ww w I 59 55 58 B Mechanism Housing guide busing 35 The metal bellows 34 follows the travel of contact 36 and seals the interrupter against the surround ing atmosphere The Arc Quenching Principle When the contacts separate the current to be interrupted ini tiates an ionized metal vapor arc disc...

Page 18: ... 36 361 36 2 Bellows Gu1de Moving contact Movable contact stem Mechan1cal coupling r 31 2 31 1 Typ1cal for other ratings a Figure 7 Typical for 5 MSV 250 b Section Through A Vacuum Interrupter 29 2 30 31 2 36 1 36 3 40 Figure 8 20 31 2 27 28 28 1 29 1 29 40 Term1nal clamp Vacuum interrupter Terminal post Movable Contact Stern Eye Bolt Lower pole support 16 1 27 1 20 A rJ 28 _ 30 29 1 29 40 16 1 48...

Page 19: ...rupter contact clearances in the range of 6 to 20 mm 0 25 to 0 80 inches are adequate to attain a high dielectric strength Switching Operation Figure 6 When a closing command is initiated the closing spring which was previously charged by hand or by the motor actuates the moving contact 36 through breaker shaft 63 lever 63 7 insulated coupler 48 and lever 48 6 The forces that occur when the action...

Page 20: ...chanism is of the stored energy trip free type i e the charging of the spring is not automatically followed by the contacts changing position and the closing function may be overridden by a trip command at any time When the stored energy mechanism has been charge the instant of operation can be chosen as desired The mechanical energy for carrying out an open close open sequence for auto reclosing ...

Page 21: ...ing and the breaker is latched in the closed position by lever 64 3 with pawl roller 64 3 1 and by pawl 64 2 Lever 63 1 actuates the auxiliary switch through the linkage 68 1 The crank 62 2 on the charging shaft moves the linkage 55 1 by acting on the control lever 55 2 The Closing spring charged indication is thus cancelled and the limit switches 50 4 switch in the control supply to cause the clo...

Page 22: ...r closing Rapid Auto Reclosing Since the closing spring is automatically recharged by the motor operating mechanism when the breaker has closed the operating mechanism is capable of an open close open duty cycle as required for rapid auto reclosing Manual Operation Electrically operated vacuum circuit breakers can be operated manually if the control supply should fall Manually Charging the Closing...

Page 23: ...acts Breaker aux1l1ary The c1rcu1t breaker Contacts LS21 and 1n ser1es sw1tches 52a NO closes LS22 close to w1th the tnpp1ng ard 52b NC energ1ze motor 88 solenoid close to change state LS3 closes and LS4 The spnng release soleno1d IS now blocked and can not be er able a tnp opens to cancel act1vated until sprmgs are fully charged and close command IS operat1on closmg spr1ng removed s1gnal L Rapid ...

Page 24: ...lose G Green indicating Light Trip W White indicating Light Spnngs Charged 01 C Control Switch Close 01 T Control Switch Trip Ml Mechanical Interlock Note Shown as typical For actual control schematic see contract drawings Devices and wires shown dashed are external to the breaker 1 8 806 54 1 411 MSV FSV Indirect Releases Dual Trip and Undervoltage The indirect release provides for the conversion...

Page 25: ... striker pin 16 23 by spring 16 27 The other end of the latch 16 25 is sup ported by a partly milled locking pin 16 21 16a pivoted in the cover sheets of the magnet armature 16 9 The armature 16 9 is pivoted in front of the poles of the U shaped magnet core 16 1 and is pulled away from it by the tension spring 16 11 If the magnet coil of the shunt release 3AX 1 101 is energized by the tripping imp...

Page 26: ... Charged Cancel The Lock For Undervoltage Release By Shifting Locking Screw 1 5 29 From A To 8 Figure 16c Undervoltage Blocking Feature Capacitor 0 1 l Tri p Device 1 20V or 240V AC Supply r5 x2 H l I I I I I I I I I I I I I Connection For Source Voltage 1 20 VAC H2 I I I I I J 2 240 VAC L _ _ _ _ _ _ _ _ _ _ _ 1 1 0 _ _ _ J Figure 17 Capacitor Trip Device w w w E l e c t r i c a l P a r t M a n u...

Page 27: ...h instal lations control power is usually derived from the primary source In the event of a primary source fault or disturbance with at Page 22 tendant depression of the primary source voltage the capac itor trip device will provide short term tripping energy for breaker opening due to relay operation The capacitor trip converts 120 or 240 VAC control voltage to a DC full wave voltage which is use...

Page 28: ...TICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFIC I E NTLY FOR THE PURCHASER S PUR POSES THE MATTER SHOULD BE REFERRED TO THE LO CAL SIEMENS OFF I C E T H E U S E OF U NAUTHORIZED PARTS I N T H E REPAIR OF T H E EQU IPMENT OR TAMPERING B Y UNQUALIFIED PERSON NEL WILL RESULT IN DANGEROUS CONDITIONS WH ICH CAN CAUSE SEVERE PERSONAL I NJ URY OR EQUIPM ENT DAMAG E FOLLOW ALL SAFETY I NSTR U C T I O ...

Page 29: ...ral times and check that all screw connections are tight Lubrication of the Operating Mechanism A WARNING Page 24 Hazardous voltages and high speed me chanical parts can cause death personal i njury and property damage Before starting any work breaker should be i solated short circuited and grounded Control power should be disconnected and breaker closed and opened by hand until both springs have ...

Page 30: ...ontact erosion is checked by visually observing an erosion mark on the exposed movable contact stem of the i nterrupter see Fig u re 20 Note the mark is a white dot This mark may be seen above the lower primary connection and just above the terminal clamp which fastens the flexible Page 25 Rated Max Volts kV 4 76 8 25 1 5 0 Rated Short Circuit Current kA 29 41 33 1 8 28 37 Rated Continuous Current...

Page 31: ...er 48 6 is moved to the OPEN position by hand Fig 21c When the lever is released it must automatically return to the Page 26 CLOSED position with an audible sound as the contacts touch After checking the vacuum reconnect the lever 48 6 to the insulated coupler 48 High Potential Testing and Electrical Interrupter Vacuum Check High Potential tests are performed to affirm the breakers di electric int...

Page 32: ... test voltage application After test g round ends and middle of vacuum tube to remove static charge A CAUTION Vacuum Interrupters can emit X Radiation causing personal injury Do not apply test voltages to the interrupters which exceed the values listed below All personnel must remain a minimum of six teet away from interrupter under test Vacuum Tube Replacement Replacement interrupters are furnish...

Page 33: ...mm open end Page 28 IV 9 e Fig 21c Primary Contact Forced Open by Manual Pressure 1 7 Remove bolt B lockwasher and large washer at stationary contact of the vacuum interrupter 24mm socket Carefu lly note location of conductive spacers between interrupter and pole support if included 1 8 Using a deep 24 mm socket loosen and remove hex capscrew fastening the upper pole support to the post insulator ...

Page 34: ...Interrupter Operator Maintenance B 27 _ __ 30 H e 29 1 29 2 29 36 3 Figure 22 Vacuum Tube Replacement Illustration Page 29 36 1 48 6 48 5 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 35: ... finger pressure only using hex head bolt lock washer and flat washer 2 5 Attach struts 28 to the upper pole support 20 re place hardware but do not tighten at this time 2 6 Couple levers 48 6 and drive link 48 9 to the eye bolt 36 3 using the pin supplied Apply retention clips Appropriate pin is modestly chamfered not to be confused with pin for the insulated coupler 2 7 Elevate terminal clamp 29...

Page 36: ...using pin 48 5 and the retain1ng clips provided Page 31 3 5 Repeat the measurement descr1bed 1n step 3 3 aga1n with care to max1mize accuracy record your result 3 6 Determine difference between the measurements made under steps 3 3 and 3 5 Your result should be Type 5 MSV 250 Breakers 5 to 7mm 0 20 to 0 27 inches Type 7 FSV 500 1 5 FSV 500 and 1 5 FSV 750 Break ers 1 0 to 1 2mm 0 40 to 0 47 Inches...

Page 37: ...NGER Inoperative or by passed interlocks will cause death serious personal inJury and property damage Mechanical and electrical interlocks are provided as integral components of this equipment to ensure safe use Interlocks must be in operation at all times Read this in struction manua l Know and understand correct interlock function Check interlock fu nction prior to inserting b reaker i nto switc...

Page 38: ...ition fully c lockwise by the action of double torsion springs at each end of the bell crank It is stopped and main tained in the position which ensures full plunger engagement by a spring pin of sufficient length at the top of the plunger which straddles the guide bar and guiding channel Breaker Shaft 63 Lobes omitted when applied to Screw Type Racking Typically 1 To 2MM 1 040 To 080 Page 33 Leve...

Page 39: ...the circuit Page 34 Automatic Closing Spring Release Reference Figures 24a 25a and 24b The automatic closing spring release feature is provided to ensure all spring energy has been discharged in the mecha nism prior to the breakers removal from the cub1cle The open ing springs are discharged prior to the breakers release for racking and since automatic closing spring discharge occurs while the bre...

Page 40: ...g Release Cam Nocmal Opecatieg Pocitioe Interlock Levers Retaining Ring _ _ _ r Details of Closed Breaker Racking Interlock Internal to Mechanism Enclosure Page 35 Note Lobes on this lever are omitted when applied with Screw Type Racking w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 41: ...3 Open Position I Note Lobes on this lever are omitted when applied with Screw Type Racking I I Spring Dump Tube I I i t cc d c 0 U I i p l_ Front Detail rl Details of Automatic Closing Spring Discharge System Type MSV w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 42: ...p Tube Details of Automatic Closing Spring Discharge System Type FSV Page 37 1 200A 5kV 1 200 AMP 15kV 2000 AMP 1 5kV 3000 AMP 5kV 3 0 lfj I J t Ref Jr 3000 AMP 10 5 15kV 01 1 I ll t i c c _1 r Yr t u Rear View FSV Breaker Figure 26 1200 2000 and 3000 Amp 2000r A 1200A Rear View MSV Breaker Continuous Current Interlock Orientation w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 43: ...m housing and the vehicles secondary disconnects Figure 27 provides the detail of the cables wiring and a typical schematic diagram The wiring from thiS cable is terminated at a connection box which provides a convenient and versatile means of accom modating various control options and modes of common sourcing while maintaining a common breaker enclosure wir ing diagram Devices which will be mount...

Page 44: ...o the parts guide for location of barriers Figure 28 Insulating Barrier Type FSV r I Hinged Front Panel Aramid Cords Guides Side View Figure 29 Hinged Front Panel Type FSV Page 39 1 I I I l I l Extension Spring Front Hinged Panel Type FSV Reference Figure 29The FSV breaker employs a hinged front panel which is spring loaded to seek a vertical position Helical extension springs maintain tension in ...

Page 45: ...and test device usage in these modified D cubicles The replacement of Type MA 250 air magnetic circuit breakers with type 5 MSV 250 vacuum circuit breakers will require the mounting of two barriers in the existing D cubicles plus notching the internal iris barrier as indicated on replacement instructions Type FSV new and replacement breakers do not require additional barriers or notching of the F ...

Page 46: ... surfaces such as shutter cam rail plunger etc may be wiped clean and treated with Molycote Penelube 1 5 1 71 270 002 Nylon sl1ding and rotational bearings require no lubricat1on Pivots thru out the interlocking linkages should be treated with a light oil SAE 1 0 which includes rust inhibitors See lnterruptor Operator Lubrication Secllon for Additional Information Page 41 w w w E l e c t r i c a l...

Page 47: ...h an equitable adjustment in the contract price The Company s responsibility does not extend to any item of the goods which has not been manufactured and sold by Company Such items shall be covered only by the express warranty If any of the manufacturer thereof The Company and its suppliers shall also have no responsibility if the goods have been improperly stored handled or installed if the goods...

Page 48: ...E M E N S SG3248 01 1 2 94 2M Siemens Energy Automation Inc P O Box 29503 Raleigh NC 27626 91 9 365 6660 PRINTED IN U S A Printed by Theo Davis Sons Inc w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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