GE Power/Vac VM-13.8 Скачать руководство пользователя страница 42 | Manualshive

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Courtesy of NationalSwitchgear.com

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Содержание Power/Vac VM-13.8

Страница 1: ...TYPES VM 4 16 AND VM 13 8 FOR VACUUM CIRCUIT BREAKER TYPES VB 4 16 VB 7 2 AND VB 13 8 i s V r 4 V i l v V 3 y f ill i a Os m r i t 11 ap V V J V v I 2 4 t A w mm i a p S r T i 4 j J 3 V i i i r i l K V V J a my it S r V Sj A T 7 r 1 v i s p r v gj r v i 1 v v v i V GENERAL ELECTRIC I Courtesy of NationalSwitchgear com ...

Страница 2: ...5 17 17 17 19 19 19 19 19 20 20 21 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 Joints for 13 8 kV Equipment Taped Joints for 4 16 kV Equipment Bus Duct Primary Cables In...

Страница 3: ...tive Interlock Spring Discharge Interlock Interference Interlock Closing Spring Gag Interlock Key Lock Padlocks Stationary Auxiliary Switch Breaker Position Switch Space Heaters Maintenance Recommended Annual Maintenance Outdoor Acrylic Paint Finish 32 32 33 33 33 34 34 35 36 36 36 36 36 36 37 38 38 Renewal Parts 39 i 3 Courtesy of NationalSwitchgear com ...

Страница 4: ...es for Metal clad Switchgear Bus Insulating Boot Insulation of Connection Bars Bus Duct Gaskets Installation of Primary Cables Cable Termination without Pothead Single conductor Rear View of Unit Showing Through type Current Transformers Control Cable Guide Taping of Roof Entrance Termination Racking Mechanism Lift Truck Connection to Rails Racking Arm Position Indicator Positive Interlock Negativ...

Страница 5: ...M3 8 750 VM 13 8 VB 13 8 1000 8 25 1200 2000 1200 2000 1200 2000 1200 2000 500 15 0 500 15 0 750 15 0 1000 3000 RECEIVING HANDLING AND STORAGE packed in one of the cases The case is especially marked and its number can also be obtained from the Memorandum of Shipment To avoid the loss of small parts when unpacking the contents of each case should be carefully checked against the Packing Details be...

Страница 6: ...a IT T H C oo on Typical Outdoor Power Vac Metal Clad Switchgear Equipment Fig 2 6 Courtesy of NationalSwitchgear com ...

Страница 7: ...00 CO ob I v i x i i s y i Fig 3 Typical Outdoor Power Vac Metal Clad Switchgear with Protected Aisle y j Ux i Fig 4 Typical Outdoor Power Vac Metal Clad Switchgear with Common Aisle 7 Courtesy of NationalSwitchgear com ...

Страница 8: ...NAL METHOD AIR LIFT JACK Li jj i 1 CABie r LOOP i CROSS LIFTING i I 1 SI j r r i I i i i I L L I L I J J u JACKING TIMBER T r UFT JACK 4 COftNCB LIFTING ANGif r T r i in R i J 7 ion O I y mmm OPTIONAL METHOD AA TT T FI n n FOR MOi EMBNT J tt WJADlR QT Q tUSB ROLLER5 EACH QQLLE MUST SUPPORT THE FfiOf 7 MIDDLE R5t R l RlhmN iS YP CAL JACHltJo g i Installation Details for Indoor Power Vac Metal Clad ...

Страница 9: ...umber requisition number etc should accompany the claim 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 HANDLING 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 ...

Страница 10: ...ries should be uncrated and put on trickle charge immediately upon receipt 4 Dampness or condensation can be prevented by making a temporary power supply connection to the heaters already installed in the equipment If the equipment lias been subjected to moisture it should be dried out in the same manner as with indoor equipment as described 6 Breakers should be prepared for storage separately Re ...

Страница 11: ...F AMf SWf rCMC AS PAD PAO Q FPoiJr i REAP 0 ZVASiV tfdOe pfp7 iP o ANCHORS ri SWITCHGEAR m FLOOR TEE f Q THREADED INSERT IN COtLOWTE POWER VAC FLOOR FRAMe 0 FINISHFLOOR PAD Tv Sff HOTS FINISH FiOOR B m SWITCH EAR PAD 0 A ny OUTDOOR ANCHORING METHOD I wx r r fl ttSrt FLOORUM m T NO TE 1 7PE EiE VAT I ON Of THf FINISHED FLOOR PAD Minrae LEVEL WITH THE BOTTOM OF THE POWER VAC FLOOR PRAMS SWITCHGEAR P...

Страница 12: ... I T 31 T jMwmu o tm ASM Off I COMPLEX 8 O C ob tH HH UFTSUfa SWHEAMR xz SPREADER X1 J v j 5 y o j I r t H h 5 0 I PO writeSTwerutt o N O i t sb E i i f 4 T TYR AJ5U ASM y Al Lf ASM A E ASM M K M Fig 7 Installation Details for Outdoor Power Vac Metal clad Switchgear with Protected Aisle 12 Courtesy of NationalSwitchgear com ...

Страница 13: ...LLATION r AISLE FLOOR I METAL CLAD CGPTFCTENT FLOOR r H o FINISH FLOOR F LETAILVIEW G o CM o r tw rH PH RQQE C6R CHANNEL END CAP END CAR 4 QIANNEL END CAR AISLE ROOF O EQUIPMENT ROOF D CHANNEL END CAR P4 iT h jr 05 r a i s 1 END CAR Y ANGIE AISLE BOBBLE PRESS TITS c c MLTAICLADEQUIPMENT TYR S6AIIN64 ROOF JO NT DETAIL r GASKET ROOF CAR ROOF SECTION END CAR CHANNEL END CAP PLAN VIEW OF PROTECTED AIS...

Страница 14: ...PH D f 1 zooe 1 nePtATt EQUIR ROOF i i ST DT c R0OF CAR fE CHANNEL END CAR H i j L z ANGIE HSS5JH T U METAL CLAD ECUIPMENt END CAP METAI HAD EQUIPMENT A H H TVR PRESS TtTE d grip CAP 1 JL l COMMON AISLE WITH BUBBLE PJ M V W OF COMMON AISLE METAL CLAD EQUIPMENT M TH ftlJBBI E FLOOR TIE PLATE A T LCOMMON Al tE pfflsF PAHEL 0 CHANNEL ENDCAR v X ROOF CAP IK GA CQMPiTlQM mi UBBL COMMON AISLE ROOR UNc W...

Страница 15: ...space is provided across the top of the unit to run wires between vertical sections A lift truck Fig 10 is provided for insertion and removal of the circuit breaker from the metal clad unit Power Vac circuit breakers of the same rating are inter changeable in their corresponding metal clad units An inter ference interlock is provided on the rear of each circuit breaker to insure that the properly ...

Страница 16: ... Side Section View Power Vac Metal clad Switchgear r v 7 mi r s I C r A 1 U co j ro ft ri co Vi 1 Lift Truck 2 Breaker 3 Rails 4 Interlock ON 00 cm o Y t r Pw v 1 2 1 r f j I i St i K 3 i i w rs t it i i r 4 V T Y Fig 10 Power Vac Breaker and Lift Truck 16 Courtesy of NationalSwitchgear com ...

Страница 17: ...hanism consists of heavy duty steel jack screws which carry nuts that engage the sides of the removable element The racking mechanism may be manually operated with the racking handle which is furnished with each equipment PRIMARY DISCONNECTS The 1200 and 2000 ampere primary disconnects consist of two rows of silver plated copper fingers mounted on either side of the circuit breaker studs These fin...

Страница 18: ... J i ri v ON N v v 1 1200 AMP 00 V i co 3 ON GO v 2 2000 AMP T ij A l f I f 3 3000 AMP 3 Si Fig 12 Primary Disconnects 18 Courtesy of NationalSwitchgear com ...

Страница 19: ...the transformer fuses may be safely removed and replaced A barrier mounted at the rear of the carriage moves with the carriage to a position in front of the stationary part of the primary disconnect device providing a safe striking distance from all live parts See Fig 13 Bus bars are insulated with high dielectric thermosetting epoxy insulation applied using the fluidized bed process This insulati...

Страница 20: ...ulation resistance megger By using potential transformers it can also be used for phasing out cables Refer to the instruction book provided for this device If hot sticks are used they should be insulated Current limiting fuse and control power transformer roll outs are located in auxiliary units DUMMY REMOVABLE ELEMENT Dummy removable elements are used as a means of isolating circuits or bus secti...

Страница 21: ... more than 3 inches beyond the front of the equipment The space at the rear must be sufficient for installation of cables inspection and maintenance OUTDOOR EQUIPMENT Switchgear support should be concrete or reinforced concrete 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 swi...

Страница 22: ...rs removed and then the aisle slid into its final position Care should be taken to distribute the pushing forces over the aisle frame with suitable timber 5 Install gasketing material and lower aisle roof assembly into place taking care to align the lap joint between the aisle and switchgear roof assemblies Bolt into place as shown in Fig 8 jgs 4 Bolt the aisle enclosure in place at the top and on...

Страница 23: ...ductors regardless of material or method of insulation should be made as described below BEFORE ANY COVERS ARE REMOVED OR ANY DOORS OPENED WHICH PERMIT ACCESS TO THE PRIMARY CIRCUITS IT IS ESSENTIAL THAT THE CIR CUIT OR CIRCUITS BE DE ENERGIZED AND BREAKERS BE WITHDRAWN TO THE TEST POSITION AND TAGGED 1 Wipe silver clean Do not use steel wool sandpaper or any abrasive on the silvered surface Avoid...

Страница 24: ...A REMOVE THE FOLLOWING ITEMS MARKED WITH ASTERISK FROM THE EXISTING PROTECTED COMMON AISLE AND METALCLAD SECTION AND MOVE TO THE END OF THE NEW ADDITION 1 CHANNELENDCAP 2 ROOF CAPS 3 METALCLAD END CAP S 4 FLOOR TIE PLATE 5 AISLE END BUBBLE ENCLOSURE 6 METALCLAD FRONT TRIM SHEET METALCLAD REAR TRIM SHEET 8 BUS OPENING COVER B TO INSTALL NEW METAL CLAD UNITS 1 SET NEW UNITS IN PLACE a BOLT TOG ETHER...

Страница 25: ...ections will now be exposed It is not necessary to remove the secondary coupler or the racking mechanism chain in order to assemble the bus bars Fig 19 Bus Insulating Boot 3 Install the lower phase 3 bus bar s from the right hand section If the main bus uses porcelain inserts take extreme care not to chip the porcelain when installing the bus bars Position the rubber bushings furnished on the bus ...

Страница 26: ...osition required by the fixed points at the ends of the duct 4 Over the insulating tape apply one layer of glass tape half lapped as a protective covering as shown in Fig 20 5 Over the glass tape brush a heavy coat of U310 brown varnish Varnish may be thinned if necessary with Xylene D5B9 Outdoor bus ducts must be gasketed at the joints between shipping sections Coat both sides of the flat gasket ...

Страница 27: ...ARY CABLES The primary cable connections are reached by removing the rear bolted covers When circuit breakers are stacked two high and primary cable terminations must be made in both upper and lower units the procedure described below should be followed Refer to Fig 22 There are two common methods of making primary cable connections a Potheads Potheads are used when it is desired to hermetically s...

Страница 28: ... the type most generally used The factory does not furnish insulat ing materialsfor completing stress cones and cable terminations In all cases carefully follow the cable manufacturer s recom mendation for installation of the type cable being used Through type current transformers see Fig 24 are furnished where specified for sensitive protection against ground faults These transformers are normall...

Страница 29: ...resters to protect the switchgear from damage due to lightning The General Electric Company s recommendations as to the types of circuits requiring lightning protection and a list of recommended lightning arresters are contained in Bulletin GER441 copies of which are available upon request i i I t i Fig 24 Rear View of Unit Showing Througli Type Current Transformers When lightning arresters are fu...

Страница 30: ...int with insulating tape provided maintaining tension on the tape while wrapping as shown in Fig 20 Where there are sharp angles apply additional layers to obtain equivalent of the insulation on the flat surfaces o w VO N 39 UH 4 Over the insulating tape apply one layer of glass tape half LAP as a protective covering as shown in Fig 20 Tivw FiMlt vV T V 5 Over the glass tape brush a heavy coat of ...

Страница 31: ... 6 Jack Screw 7 Interlock I Fig 27 Racking Mechanism CN i CO s 2 00 1 Lift Truck 2 Truck Locking Handle 3 Wheel Locking Handle 4 Docking Hooks oo N 3 4 HJ PUU P ORASP to OR BOTTOM WllltKsitU T t ML i Fig 28 Lift Truck Connection to Rails 31 Courtesy of NationalSwitchgear com ...

Страница 32: ...lete OPERATION The metal clad switchgear provides safe operation and easy removal and replacement of the circuit breaker Circuit breakers of the same type rating and duplicate wiring may be interchanged Various interlocks are provided between the metal clad and breaker to insure safe operation The following instructions explain how these interlocks should function If the breaker and metal clad do ...

Страница 33: ...e breaker studs may be checked with respect to the stationary conductor in the unit THE SWITCHGEAR MUST BE DEENERGIZED FOR THIS CHECK Use the racking handle to turn the jackscrew several turns toward the connected position until the shutters are opened to uncover the opening to the insulation tube and stationary con ductor in the unit Inspect the impression made in the coating of contact lubricant...

Страница 34: ...etween the Disconnect Test and Connect posi tions As an added precaution the negative interlock will trip the breaker and hold it trip free if an attempt is made to operate the racking mechanism when the breaker is closed and in either the Disconnect Test or Connect position and the positive interlock fails to function The negative interlock consists of two notched members in the left side track a...

Страница 35: ...it 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 position and connect the secondary disconnect device by pulling down on the breaker handle and inserting the level arm fully in the breaker This will actuate the spring charging motor and charge the breaker clos...

Страница 36: ...sm by keeping the hexagon turning shaft covered KEY LOCK On the lefthand breaker racking mechanism track is a provision for a key lock The purpose of this lock is to keep the breaker from closing in the Test and Connect positions by operating the negative interlock see Fig 32 To operate the key lock 3 in order to remove the key push slide 1 to the rear and extend the bolt 4 of the lock into slot T...

Страница 37: ...static control not be used If thermostatic control is used the contacts of the thermostat should be set to close between 95 F and 100 F on falling temperature de energizing the heaters only when strong sunlight beats on the switchgear Under no condition should a differential thermostat be used to control the heaters because under conditions of extremely high humidity this type of thermostat will n...

Страница 38: ... to ground and between phases of the insulation of buses and connections with a 1000 or 2500 volt megger Since definite limits cannot be given for satisfactory insulation resistance values a record must be kept of the reading Weakening of the insulation from one maintenance period to the next can be recognized from the recorded readings The readings should be taken under similar conditions each ti...

Страница 39: ... originally furnished If parts listed separately are to be assembled at the factory order must so state Specify the quantity reference number description and this bulletin number Not all parts shown herein will be used on any one equipment Parts not used in original equipment should not be ordered as renewal parts Standard hardware such as screws bolts nuts washers Iis not listed Such items should...

Страница 40: ...4 Hur v Vv i i ti V V f SSiiSKgaS C Slag 5rl V V V JSS jails fi f c 1 V wi I v Z v r m in s g 5 A ri VV y t ir y s tr v f 1 S y i 4 s x t 1 S P V V v s v l V 1 s t f is feV r _ v V a i V Fig 38 Spreader Bar Chain and Idler Sprocket for Vacuum Metal Clad do Courtesy of NationalSwitchgear com ...

Страница 41: ...s for Primary Disconnects Surge Suppressors and Bus m mmmir r pi CBS M MI mm o i o MHft CO Q oo i 5 i i O oh i H 448 Ill Mg saassSS ricr 8 SSSS j 8 3 3 1 m mm m m msmmm m fS5 kS Fig 40 4 16 kV Inter Unit Barrier 41 Courtesy of NationalSwitchgear com ...

Страница 42: ...13 8 kV Inter Unit Barrier Fig 42 4 16 kY Primary Disconnect r r j vV v 1 r V J y r m S 3 m m y mm i b 6 rSV s g v V iff fi a A fc o i V Fig 43 13 8 kV Primary Disconnect 42 Courtesy of NationalSwitchgear com ...

Страница 43: ...00 r nn a v N f f r o oo 1 5 SAFETY CATCH Fig 44 Vacuum Metal Clad Breaker Unit 43 Courtesy of NationalSwitchgear com ...

Страница 44: ...jf 1 1 GENERAL ELECTRIC COMPANY SWITCHGEAR BUSINESS DEPARTMENT PHILADELPHIA PA 19142 GENERAL j ELECTRIC i Sv 5 U 3 79 Courtesy of NationalSwitchgear com ...

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