GE POWER/VAC 13.8 Instructions Manual Download | Manualshive

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Courtesy of NationalSwitchgear.com

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Summary of Contents for POWER/VAC 13.8

Page 1: ...TRUCTIONS SUPERSEDES GEK 39672E POWER VAC METAL CLAD SWITCHGEAR TYPES 4 16 AND 13 8 FOR POWER VAC CIRCUIT BREAKER TYPES VB 4 16 VB 7 2 VB 13 8 VB1 4 16 AND VB1 13 8 GENERAL ELECTRIC Courtesy of NationalSwitchgear com ...

Page 2: ...nd and Test Device 17 17 17 17 18 18 18 19 19 19 19 19 20 20 Installation Location Anchoring Indoor Equipment Floor Preparation Outdoor Equipment Outdoor Equipment With Protected Aisle Outdoor Equipment With Common Aisle Breaker Removable Element Test Cabinet Addition of Units to Existing Equipment Connections Main Bus Assembly Taped Insulation Instructionsfor5 15kV Equipment Bus Duct Primary Cabl...

Page 3: ...ve Interlock Spring Discharge Interlock Interference Interlock ClosingSpring Gag Interlock Key Lock Padlocks Stationary AuxiliarySwitch Breaker Position Switch Space Heaters Maintenance Recommended Maintenance Indoorand Outdoor Acrylic Paint Finish 36 36 39 39 39 39 40 41 42 42 42 42 42 42 43 44 44 45 Renewal Parts 3 Courtesy of NationalSwitchgear com ...

Page 4: ...rJoint TeeConnection Joint Double Bus Bar Joint Pothead or Bushing or Terminator 6 CableTermination Joint Insulation Materialsfor Field Installation 5kV 15kV Bus Duct Gasket Installation of Primary Cables Cable Termination Without Pothead SingleConductor RearView of Unit ShowingThrough Type Ground Fault Current Transformers Control Cable Guide Racking Mechanism Lift Truck Connection to Rails Racki...

Page 5: ...d with this equipment The following practices should be included in a user s safety program These do not supplant the user s responsi bility for devising a complete safety program They are rather suggestions concerning some aspects of personnel safety related to circuit breakers and metalclad switchgear equipment General Electric assumes no responsibility for user practices which deviate from thes...

Page 6: ...Q in oo Ov 00 5 u Fig 1 Typical Indoor Power Vac Metal Clad Switchgear Equipment Typical Outdoor Power Vac Metal Clad Switchgear Equipment Fig 2 6 Courtesy of NationalSwitchgear com ...

Page 7: ...has been de energized all control power must must be disconnected before servicing 2 All spring charged mechanisms related to a breaker must be serviced only by skilled and knowledgeable personnel capable of releasing each spring load in a RECEIVING HANDLING AND STORAGE RECEIVING Every case orcrate leaving thefactory is plainly marked at convenient places with case number requisition number custom...

Page 8: ... TIMBER LIFT JACK 4 CORNERS EYE O LIFTING ANGLE f 1 i9 i r t E A i SEE OPTIONAL METHODS O A I o I 1 I FLOOR LINE 2 Q IT TT Al AA ROLLERS IF USED OPTIONAL METHOD IN THIS DIRECTION ONLY USE ROLLERS FOR MOVEMENT EACH ROLLER MUST SUPPORT THE FRONT MIDDLE REAR FLOOR CHANNELS o TYPICAL JACKING AREA OC LIFT JACKING METHOD 00 r vO S S N O f U Installation Details for Indoor Power Vac Metal Clad Switchgear...

Page 9: ...company the claim STORAGE OF INDOOR EQUIPMENT If it is necessary to store the equipment for any length of time the following precautions should be taken to prevent breakage corrosion damage or deterioration 1 Uncrate the equipment Check it thoroughly for damage 2 Cover important parts such as jack screws gears and chain of racking mechanism linkage and moving parts with a heavy oil or grease such ...

Page 10: ...r and primarycable compartment Remove all cartons and other miscellaneous materials packed inside units before energizing any heaters If the equipment has been subjected to moisture it should be carefully dried out using forced warm air and then tested with a 1000 or 2500 volt megger A reading ofat least 200 megohms should be obtained 6 Breakers should be prepared for storage separately Refer to t...

Page 11: ...R FRAME FINISH FLOOR 3 0o SWITCHGEAR PAD 0 REAR PAD J 1 LINE 35 RECOMMENDED FOR REAR HINGED COVFRS 5EL m i 4 fo 0 t THREADED INSERT IN CONCRETE ANCHORS USE EXPANSION NBOLTSi C 4 CHANNEL SWITCHGEAR FLOOR STEEL a 2 2 00 3 1 11 M s 2 00 A POWER VAC FLOOR FRAME 38 r N ALTERNATE ANCHORING METHODS SWITCHGEAR PAD FINISH FLOOR PAD O SEE NOTE 1 FINISH FLOOR p M J PAD 3 00 l3 00 z 00 PM r OUTDO6R ANCHORING ...

Page 12: ... ASM S WITH BUBBLE ADDED ON LIFT SLING SPREADER V SPREADER X T y n 11 r J LIFT ANGLE O t v o I I i LIFTING STRUCTURE i 1 u 4 1 i I S i SUPPORT SHIPPING STRUCTURE I N t ft L 4 r oc u AISLE ASM TYP AISLE ASM AISLE ASM COMPLEX OF TWO OR MORE AISLE ASM S WITHOUT BUBBLE ADDED ON Fig 7 Installation Details for Outdoor Power Vac Metal Clad Switchgear with Protected Aisle 7 I T 12 Courtesy of NationalSwit...

Page 13: ... t AISLE FLOOR f METAL CLAD sEQUIPMENT FLOOR FINISH FLOOR DETAIL VIEW r ROOF CAP I I CHANNEL END CAP END CAP ROOF i i CHANNEL END CAP AISLE ROOF APPLY CLEAR SEAL ON s VERTICAL JOINT EQUIPMENT ROOF i x CHANNEL END CAP ROOF CAP SEE U 4 A SHT 1 PRESS TITE N 7 fiP END CAP J O ANGLE PROTECTED AISLE AISLE EXTENSION S a METAL CLAD EQUIPMENT TYP SEALING ROOF JOINT DETAIL S fN GASKET L o CLEAR SEAL BEAD RO...

Page 14: ...OOF ROOF CAP I G 1 r 5 u l PRESS TITE ANGLE cC END CAP i CHANNEL END CAP END CAP i N i ROOF i oo METAL CLAD EQUIPMENT METAL CLAD EQUIPMENT s 2 o END CAP O PRESS TITE 4 rN O EQUIPMENT PANEL 7 i COMMON AISLE WITH EXTENSION OO EQUIPMENT COMMON AISLE PANEL AISLE EXTEN PANEL COMMON AISLE FLOOR LINE CONDITION rUNIT LINE SHIPPING SPLIT PLAN VIEW OF COMMON AISLE METAL CLAD EQUIPMENT WITH AISLE EXTENSION P...

Page 15: ... door upand the bottom to the right place a pry bar behind the hinge near the bottom of the door and pull forward as shown in Fig C Extreme caution must be used not to spring the hinge To move the top of the door to the left place a pry bar between the frame and door pull to the left and lightly tap the hinge near the topasshown in Fig D Adustments are best done a littleat a time toavoid springing...

Page 16: ...eaker Compartment 3 Load Take Offs 4 Secondary Compartment Side Section View Power Vac Metal Clad Switchgear U oo m 00 ON 00 o oo I Lift Truck 2 Breaker 3 Rails 4 Interlock Power Vac Breaker and Lift Truck Courtesy of NationalSwitchgear com ...

Page 17: ...es between vertical sections Power Vac circuit breakers of the same rating are inter changeable in their corresponding metal clad units An interference interlock is provided on the rear of each circuit breaker to insure that the properly rated breaker is used within the proper metal clad unit See OPERATION INTERFERENCE INTERLOCK FIGURE 44 PRIMARY ENCLOSURE The primary enclosure contains the high v...

Page 18: ... RACKING OPERATOR The optional electrically operated racking device see Fig 11 provides a convenient means for racking a breaker be tween the connected and test positions from a remote loca tion It is easily mounted to the breaker unit front door and is designed for quick transfer between units The remote racking operator is furnished in two operat ing voltage versions The 115 VAC 50 60 hertz mode...

Page 19: ...ated with an extruded thermoplastic insulation sleeving or an applied epoxy insulation using the fluidized bed process All bolted joints have silver to silver connections for low contact resistance Most joints are in sulated with a molded polyvinylchloride boot VOLTAGE TRANSFORMERS Voltage transformers are located in an auxiliary unit Up to three transformers can be mounted on a movable carriage e...

Page 20: ...DS WHEN THE DEVICE IS INSTALLED IN AN UPPER COMPARTMENT AND TO THE UPPER STUDS WHEN THE DEVICE IS INSTALLED IN A LOWER COMPARTMENT Refer to Fig 9 which shows a side section view of the switchgear for clarification DUMMY REMOVABLE ELEMENT TYPE PVD GEK 39678 In addition to the device described above there is avail able the deluxe power operated type GMV device which has a self contained bus or line ...

Page 21: ...end more than 3 inches beyond the front of the equip ment OUTDOOR EQUIPMENT Switchgear support should be concrete or reinforced con crete with depth fill drainage etc according to recom mended foundation design for the loading type of con struction and local conditions involved The base furnished with the switchgear should be supported on a level surface over the full area of the switchgear Steel ...

Page 22: ... 21 00 END WALL REUSE 1 4 20 HARDWARE SHIPPING COVERS AISLE END EXTENSION U i iN T SHIPPING SUPPORT V AISLE WALL SHIPPING POSITION G AISLE INSTALLATION T Fig 16 3 16 1 0282 A 4527 DETAIL VIEWS SHOWN ON SHEET 3 W SHIPPING COVERS REUSE PLUG BUTTONS REUSE 3 8 16 HARDWARE of NationalSwitchgear com ...

Page 23: ... WITH FILTER FOR AISLE END WALL DESIGN S3 a TYPICAL ROOF ANGLE REUSE HARDWARE 21 5 00 H ON FLOOR CAP t 11 2 PRESTITE GASKET FLOOR TIE PLATE j 1 L I Fig 16 9 r AISLE END WALL AISLE END EXTENSION A Fig 16 5 c PROTECTED AISLE FLOOR J c PLUG BUTTONS FOR AISLE END WALL DESIGN REUSE FROM FIG 3 Fig 16 4 DETAIL VIEWS SHOWN ON SHEET 3 Fig 16 6 D AISLE WALL AISLE END EXTENSION U of NationalSwitchgear com ...

Page 24: ...ASHER 3 8 16 BOLTx LG WASHER LOCKWASHER 1 4 20 BOLT X LG WASHER LOCKWASHER 3UUC GASKET O O GASKET NUT NUT ROOF PANEL NUT ASSEMBLY OF DETAILS P N ASSEMBLY OF DETAILS J K DETAIL R WITH END CAP REMOVED ANGLE 1 4 20 NUT WASHER LOCKWASHER REUSED NUT RETAINER AISLE SIDE PANEL AISLE SIDE PANEL WASHER LOCKWASHER ASSEMBLY OF DETAILS L M METAL CLAD EQUIPMENT 1 4 20 NUT AISLE SIDE PANEL METAL CLAD EQUIPMENT ...

Page 25: ...pport from aisle end wall 5 Position aisle end extension s and or aisle end wall s at ends of the line up Secure aisle extension to aisle floor and metal clad Fig 16 5 detail A B H G Secure aisle end wall per detail AA BB 6 Set up aisle wall and secure to aisle floor aisle end extension s aisle end wall s and shipping split Fig ures 16 4 16 5 16 6 details J K C D AA BB 7 Apply prestite gasketing m...

Page 26: ...8b indicates that special procedures required to add new metal clad units to outdoor equipment without a pro tected aisle and Fig 18a indicates the special precedures required to add new metal clad units to outdoor equipment with a protected aisle For indoor equipment it is usually necessary only to remove the end trim sheets and to reas semble them on the new units after these are located and bol...

Page 27: ...SLE ASSEMBLY BOLT IN PLACE 3 ASSEMBLE NEW ROOF CAP CHANNEL END CAP 4 ASSEMBLE NEW FLOOR TIE PLATE 5 REASSEMBLE ITEMS A 1 THROUGH A 5 Fig 18a Outdoor Metal Clad Switchgear Addition of Units to a Line up Refer to Fig 7 and 8 PROCEDURE FOR ADDING TO OUTDOOR NO AISLE A REMOVE THE FOLLOWING ITEMS FROM THE EXISTING METAL CLAO SECTION AND MOVE TO THE END OF THE NEW ADDITON EXCEPT AS NOTED 1 CHANNEL END C...

Page 28: ...r plating is not covered by insulation e g ground bus and ground risers the D50H47 must be applied to overlap this interface for a minimum of 1 2 inch Finally after the connection bolts have been tightened to the proper torque Fig 19 a thin coat of D50H47 BLACK grease must be applied to all external surfaces of the joint including bar edges and hardware This applies to all silvered connections boo...

Page 29: ...must be deburred and smoothed before applying tape STEP B OUTERWRAP 5 15kV Apply two 2 layers 1 2 lap of high voltage tape 0282A3529 P 4 2 wide mastic side down maintain ing a medium A tension on the tape while wrapping Begin the wrap away from the joints overlapping the adjacent insulation epoxy fluid dip thermoplastic sleeving cable or tape by three 3 inches minimum Where potheads or porcelain b...

Page 30: ...01TC15 000V 5 6 4 6 9 10 11 12 NOTE APPLY 3 LAYERS A LAP FOR CONDUCTORS PASSING THROUGH C TS NOTE APPLY TAPE AT MEDIUM TENSION TO PRODUCE A VOID FREE UNIFORM BUILD UP OF TAPE A MEDIUM TENSION THINS A 030 X r TAPE DOWN TO 024 x 1 and 030 x A DOWN TO 024 x 3Vi APPLY WITH MASTIC SIDE DOWN A HIGH VOLTAGE INSULATING TAPE 0282A3529 P004 ROLL IS 030 x 2 x 30 LG APPLY WITH MASTIC SIDE DOWN Fig 23 Bus Bars...

Page 31: ...TIC SIDE DOWN A Fig 29 Pothead or Bushing or Terminator Fig 27 Tee Connection Joint 4 WIDE PAD H V TAPE 0 MA B R B PUTTY FRAMEWORK r i Mi C MIN C MIN A EPOXY INSULATION FLUID DIP THERMOPLASTIC SLEEVING OR TAPE INSULATION c It tt A 11 B NOTE CABLE TO BE PREPARED IN NORMAL MANNER PER SI OOS 001 PAGE 4 FIG 1 OR 2 TT I i i l 6 CABLE TO SURGE SUPRESSORS OR LIGHTNING ARRESTORS VOLTAGE TftANSF ETC J 4 WI...

Page 32: ...ssembled and insulated as described above for main buses Adjustable joints are provided in long runs of bus duct to allow for variations in building construction etc These joints should be loosened before installation of the duct then tightened after being set in the position required by the fixed points at the ends of the duct Outdoor bus ducts must be gasketed at the joints between shipping sect...

Page 33: ...ple of terminating a shielded cable is shown in Fig 34 If the cable is aluminum the conductor surface must be carefully abraded and the cable covered liberally with a joint compound recommended by the cable manufacturer INSULATING PRIMARY CABLE TERMINATIONS All field assembled joints for primary cable terminations should be prepared as outlined under CONNECTIONS Upon completion of the cable termin...

Page 34: ... termination is inside the metal clad enclosure the Indoor Type A system isgenerally applicable If excessive contamination is a problem the padmount type G system may be desirable No matter which system is used step by step pictorial instructions will be furnished as part of the kit The space provided for primary cable terminations in the standard Power Vac arrangements is more than sufficient for...

Page 35: ...e terminal blocks in accordance with the wiring diagrams furnished for the requisition The cables from the control power source to the switch gear should be large enough to avoid excessive voltage drop when the circuit breakers are operated See testing instruc tions ROOF ENTRANCE BUSHING When assembling the connection barend of roof entrance bushing inside the switchgear and other terminations whe...

Page 36: ...aratus and Service Engi neering office for instructions Failure to adhere to the fol lowing instructions could result in serious injury The operation of the breaker with its associated devices may be tested in the unit while theequipmentcontrol power is energized by racking the breaker into the test positionand engaging the secondary coupler This is accomplished by lowering the handle on the right...

Page 37: ...ail 4 Shaft Bearing 5 Racking Nut 6 Jack Screw 7 Interlock Fig 37 Racking Mechanism 1 Lift Truck Brace 2 Wheel Locking Plate 3 Truck Locking Bar Handle 4 Safety Latch Handle Fig 38 Lift Truck Connection to Rails 37 Courtesy of NationalSwitchgear com ...

Page 38: ... its blocking position before lifting the breaker from the ground See GEK 90214 To load the breaker onto the lift truck extend each dock ing interlock bar 1 by slightly depressing the track roller blocking interlock 2 and then moving the handle 3 away from the mast as far as it will go toward the end of the arms This permits the track roller blocking interlocks to be in their raised position The h...

Page 39: ...f the door then attempt to insert the racking handle into the hole in the unit door A definite stop should be encountered preventing the socket on the racking handle from engaging the racking mechanism On 3000 ampere ratings there must be heavy impressions of all the fingers on the cylindrical conductor The impres sions should extend back from the front end a minimum of 1 2 inch IF THE CONTACT WIP...

Page 40: ...f the above mentioned positions and prevent recharging by opening the close latch monitoring switch in the breaker spring charging circuit To test the function of the spring discharge interlock in stall a circuit breaker following the instructions given under BREAKER INSTALLATION For this test the control power circuits in the metal clad must be energized Place the breaker in the Disconnect Test p...

Page 41: ... closing springs Raise th racking arms to the release position and roll the breaker forward The spring discharge interlock should discharge the breaker closing springs before traveling 1 2 inch If the interlock does not function as indicated DO NOT MAKE ANY ADJUSTMENT COMMUNICATE WITH THE NEAREST GENERAL ELECTRIC COMPANY APPARATUS AND SERVICE ENGINEERING OF FICE FOR INSTRUCTIONS INTERFERENCE INTER...

Page 42: ...ck see Fig 41 To remove the key 3 push slide 1 to the rear and extend the bolt 4 of the lock into slot This allows the key to be re moved and prevents the breaker from closing The key lock does not prevent motion of the racking mechanism STATIONARY AUXILIARY SWITCH An auxiliary switch can be provided at the bottom of the breaker compartment so that additional contacts can be actuated by the operat...

Page 43: ...ect Position Actuator 6 Stationary Auxiliary Switch 7 Stationary Auxiliary Switch Test Position Actuator Fig 45 Stationary Auxiliary Switch and Breaker Position Switch MAINTENANCE CAUTION BEFORE ANY COVERS ARE RE MOVED OR ANY DOORS OPENED WHICH MAY PERMIT ACCESS TO THE PRIMARY CIRCUITS IT IS ESSENTIAL THAT THE CIRCUITS BE DE ENERGIZED AND BREAKERS BE WITHDRAWN TO THE TEST POSITION AND TAGGED condi...

Page 44: ...assembly and replaced if any signs of deterioration are evident INDOOR AND OUTDOOR ACRYLIC PAINT FINISH The outside of outdoor switchgear has an acrylic paint finish providing improved resistance to allatmosphericcon ditions longer life and less maintenance than with ordinary paint finishes 2 Measure the resistance to ground and between phases of the insulation of buses and connections with a 1000...

Page 45: ...correct spraying viscosity When paint is received in less than five gallon quantities the paint has been factory thinned Both the primer and paint should be applied only when the temperature is above 55 degrees fahrenheit For prices refer to the nearest office of the General Electric Company If insulation material such as tape is required it must be ordered separately from 0282A4530 Fig 31 If part...

Page 46: ... os N s 00 r TJ oo E Fig 47 Left Hand Track Assembly for Vacuum Metal Clad t N r Os N O 00 00 00 UH Fig 48 Spreader Bar Chain and Idler Sprocket for Vacuum Metal Clad 46 Courtesy of NationalSwitchgear com ...

Page 47: ...o m r N o 00 is op U Fig 49 Connection Boots for Primary Disconnects Surge Suppressors and Bus o r o m S oo o oo Fig 50 Polyester Inter Unit Barrier L 47 Courtesy of NationalSwitchgear com ...

Page 48: ...m O 00 00 U Porcelain Inter Unit Barrier r o rn o oo N r i 00 UH Fig 52 Polyester Primary Disconnect Porcelain Primary Disconnect Fig 53 48 Courtesy of NationalSwitchgear com ...

Page 49: ...00 P ON rvj O oc 00 Fig 54 Vacuum Metal Clad Breaker Unit 49 Courtesy of NationalSwitchgear com ...

Page 50: ...GENERAL ELECTRIC COMPANY SWITCHGEAR OPERATION BURLINGTON IOWA 52601 GENERAL ELECTRIC PRINTED IN U S A 4 84 Courtesy of NationalSwitchgear com ...

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