Содержание CR194

Страница 1: ...ctors Caution Productisnot i ount Wendedfor nuclearuse UtilizationVoltage 2 4 through 7 2 kVac 26 wide and 34 wide One High 400Amp For 48 wide 800AmpseeGEH 5396 t Hv4 k I 3 mttin pifclkiraiiiii f iiai...

Страница 2: ...Sequence of Operation Grounding Incoming Power Connections Motor Connections Extra width Enclosure Power Cable Termination Control Connections Reassembly Replacing Contactor In Enclosure Mechanical Op...

Страница 3: ...synchronous motor these instructions should be used with GEH 5201 For applica tions questions refer to GET 6840 For details on high voltage contactor refer to GEH 5306 Warning Before any adjustments s...

Страница 4: ...ng 5 Reversing dynamic braking 7 Reversing plugging In general the unit enclosures are divided into high voltage and low voltage compartments each with its own separate door and with interior barriers...

Страница 5: ...hold the contactor in position and by disconnecting the line and load power connections The auxiliary contacts and the coil termi nals are connected by means of a removable connector that is retained...

Страница 6: ...n l 7 MM CfllVMIliM msm i i v 1 K r i V i s S S fi _ v r Figure 6 Panel data nameplate Figure 4 34 Inch wide 400 ampere FVNR synchronous starter low voltage control section 1 C i a 5 i t pa f 1 i fef...

Страница 7: ...wiringremovedfor clarity Figure 8 High voltage compartment showing fuse assembly v VS 1 r u v T Figure 11 View of disconnect switchin the CLOSED position Barriers are removed for clarity Figure 9 View...

Страница 8: ...ating handle can be actuated Also the contactor cannot be operated while the operating handle is being moved from one position to another The mechanical isolator will accept up to four padlocks to pre...

Страница 9: ...VV T i 42 WiV V t i resi POWER i v r INTERLOCKS 5 f V 1 4 r v V KV i I I i V v as r r tm l m c i 4f V i r 3 v i 3 a L f s 48 189 i t v JLfi iMc t 1 V l va V if V Wmmm V i 5 V r Wp r V i 5 r 5 I i t f...

Страница 10: ...ounted by hinges to the left side of the enclosure serves as a barrier to isolate the high voltage control power transformer and fuses An interference latch shown in Figure 54 prevents swinging this p...

Страница 11: ...30 seconds apart followed by a one hour rest To prevent overheating and possible damage when applied on more severe duty heavy duty applications special reactors or autotransformers must be specified...

Страница 12: ...ller wrapped In plastic film wrap ready for shipment gSipP HBHHB m Figure 22 Recommended method of lifting a Vacuum Limitamp lineup Note that the lineup is suspended from an equalizing bar Figure 20 V...

Страница 13: ...Move the manual isolator handle to the OFF position Refer to the nameplate attached to the high voltage door near the handle Figure 23 2 shows the method of first depressing the pusher with one hand a...

Страница 14: ...5 Remove the horizontal barrier Figure 30 If a hinged low voltage panel is used swing it to the left and out of the enclosure 6 Remove the horizontal bus barrier bolts as shown in Figure 31 and then l...

Страница 15: ...ss STOP push button Figure 23 3 Handle OFF Pusher bar OUT m m Figure 23 2 Place isolator handle in the OFF position by depressing pusher bar and rotating handle rapidly down Figure 23 4 Turn door latc...

Страница 16: ...r Figure 26 Unplug the umbilical cord assembly Figure 24 Remove wing nuts as shown rnm v y J Na yfcJi Figure 27 Unbolt the cables from the bottom of the fuse assembly Figure 26 View showing armature...

Страница 17: ...izontal barrier out of the enclosure Figure 28 Unboltthe cables from the bottom of the fuse assembly i f REMOVENUTSfv m K7 S i Figure 31 Remove the horizontal main bus barrier bolts shown and remove t...

Страница 18: ...bus after removal of main bus barrier Figure 34 Lower Incoming line barrier f Vi i V f v V i t I i f 1 1 i l o 7 I m I 4 Figure 35 Main bus compartment with all barriers removed and incoming line cabl...

Страница 19: ...n energized while load cables are be ing installed all barriers must be in place and the disconnect switch must be in the off position and the blades must be visu ally checked to ensure that they are...

Страница 20: ...y to the 34 inch wide enclosure Power Cable Termination In any installation the cable should be prepared for termination in accordance with the instructions of the cable manufacturer However the follo...

Страница 21: ...W END OF BRAID Irrasil No 42005 taps Irra iI No 42005 ta po H3 4 h rir O j 1 2 I RAID CABLE TAPE i J jt t CABLE INNER INSULATION END SEAL 1 Cut cable to proper length leaving conductor sufficiently l...

Страница 22: ...le Through type potheads are satisfactory for varnished cambric cable indoors Paper insulated cables are more hygroscopic and since the only thing protecting the individual conductors from moisture is...

Страница 23: ...ones be built up at the cable terminations or else General Electric Termi Matic stress cones be used as shown in Figure 44 and Figure 45 This will relieve the electrical stress which occurs in the are...

Страница 24: ...n that these bolts are properly in stalled and tightened These are current carrying connections and must be tight or damage will result These connections must be tightened to 16 lb ft See Figure 29 4...

Страница 25: ...terlock assembly as shown in Figure 50 This adjustment is made to ensure that the interlock slider is moving properly If the contactor can be made to turn ON manually when the disconnect switch operat...

Страница 26: ...strip with slight pressure 1 2 Inch In from front and rear edge of side of case except 1 4 Inch In at cutouts Use two 2 strips side by side the full height of case Also apply across the top of the sid...

Страница 27: ...positive motion to the extreme upper position until it latches into position Unless the latch pusher snaps out when the handle is moved to 2 Refer to the elementary and connection diagrams for the ext...

Страница 28: ...J9iU JOOQ Z9 JnBij ats cw V A v vV 0 g SflK f v vi 4 i i V f i jvv 4 0 kt V r T r ft H I r y M i h i J vV i t r r w w 4 _ tc 4 f 1 V j r r TV t v v 5 1 i t i v t t v s I ft 5 k s 1 M t T s y t i v f...

Страница 29: ...l cleaner such as Windex or othersimilar cleaner Warning Severe injury or death may result if the equipment is energized with the mechanical interlocks defeated Remove all power from the equipment bef...

Страница 30: ...ROX 0 50 k n H L li B rjn _ j a p J KJ J Ji ADJUST STOP NUT BEHIND DOOR SO THAT I LATCH MAY PIVOT FREELY LOOK THROUGH CUTOUT i i i tA L i LATCH ASSEMBLY FRONT VIEW Figure 56 Checking procedures for me...

Страница 31: ...igh potential test instruments can be purchased to perform the vacuum interrupter integrity test The following is a recommended test instrument Hipotronics Model 7BT 60A Use of a DC Hipot is not recom...

Страница 32: ...one vacuum interrupter with another nor to correlate the condition of any interrupter to low values of DC leakage cur rent There is no significant correlation 5 Alter the high potential voltage is re...

Страница 33: ...j 1 1 2 2 3 16 1 1 2 Q A 1388 2 3 16 MIDTHW U l 3 2 r iE3 6 3 3 2 2 3 16 1 1 2 3 1 2 fBJE i 3 SET O 3 4 c 0 i T y T 3 0 T 9Jl r 0 ITT 25 5 8 30 25 5 8 30 3 J 1 25 5 8 i5 25 5 8 30 Q 38 53 i5 Mr 1 i i...

Страница 34: ...aintenance Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to the GE Company 4 U...

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