GE POWER/VAC 4.16, Instructions Manual

Page 1: ...RUCTIONS 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 Nationa...

Page 2: ...d 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 Equipmen...

Page 3: ...e Interlock Spring Discharge Interlock Interference Interlock ClosingSpring Gag Interlock Key Lock Padlocks Stationary AuxiliarySwitch Breaker Position Switch Space Heaters Maintenance Recommended Mai...

Page 4: ...Joint 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 Cab...

Page 5: ...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 sugge...

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: ...as 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 capa...

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 M...

Page 9: ...ompany 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 deterior...

Page 10: ...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 carefu...

Page 11: ...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 FLOO...

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...

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...

Page 14: ...OF 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 A...

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...

Page 16: ...aker 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 T...

Page 17: ...s 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...

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...

Page 19: ...ted 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 Mos...

Page 20: ...S 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 c...

Page 21: ...nd 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 foundati...

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...

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 1...

Page 24: ...SHER 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 AN...

Page 25: ...port 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 w...

Page 26: ...b 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 uni...

Page 27: ...LE 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...

Page 28: ...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 tight...

Page 29: ...ust 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 t...

Page 30: ...1TC15 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 0...

Page 31: ...IC 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...

Page 32: ...sembled 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 bef...

Page 33: ...le 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...

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 syste...

Page 35: ...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...

Page 36: ...ratus 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 t...

Page 37: ...il 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 Connectio...

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 bloc...

Page 39: ...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...

Page 40: ...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 stal...

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...

Page 42: ...k 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 pre...

Page 43: ...ct 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 CO...

Page 44: ...ssembly 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 al...

Page 45: ...orrect 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 5...

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...

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...