China 170kv 220kv 245kv Outdoor Hv 2 Columns Central Break Disconnector

SPECIFICATION OF 245KV DISConTECTOR 3.1.2 DISConNECTORS(ISOLATORS) Item NoDescription ParticularsOFFERED245kV245KV1Manufacturer 1.1Name Pars Switch Co.HEMG1.2Country of origin IRANCHINA2Type/Designation NSA245/3150D DS,DS+ESGW4-252KV2.2State whether end posts,vertical,centre break,etcH.C.B.CENTRA BREAK ,2 COLUMNS2.3Three phase or single phase3Phase3 PHASES2.4Earthing switch incorporatedNVA245JW10-252KV3Type of operating mechanism BCM-FSCRJ24Power at normal voltage required for: 4.1Operating coil W------(--)4.2Motor (where provided) W170370W5Operating characteristics: 5.1Total time from initiation of opening operation to s isolator in fully open position 3 up to 510S5.2Time from contact separation to extinction ofs capacitive arc3 up to 510S5.3Total time from initiation of opening operation to time s when isolator gap can withstand phase voltage3 up to 510S6Rated voltage kV245245KV7Rated normal voltage: a) for coupler bay A31503150Ab) for other baysA31503150A8Maximum short time current for(1 second/3 second ) 8.1Disconnector kA rms50(1S)50KA(1S)8.2Earth switchkA rms50(1S)50KA(1S)9Total mass of three phase isolator completeKg1100(shipping)2665(SHIPPING)10Type pf earthing switch (where provided)NVAJW10-252KV11Type of operating mechanism for earthing switch BCM-FSCRJ312Basic insulation level at site altitude (IEC 694) 12.1Lighting impulse withstand level (1.2/50μs wave) positive and negtive 12.1.1To earth and between phases in the closed position kVp10501050KV12.1.2Between phases in the open position kVp10501050KV Item NoDescription ParticularsOFFERED245kV245KV12.1.3Across open gap12.1.3.1Lightning impulse kVp12001200KV12.1.3.2Lighnting impulse/BiaskVp+12001200KVkV ACP 12.2Switching surge withstand level (250/2500μs wave) at site altitude - positive and negtive dry/wet 12.2.1To earth and between phases in closed positionkVpN.A.N.A12.2.2Between phases in open positionkVpN.A.N.A12.2.3Across open gap12.2.3.1Switching surge kVpN.A.N.A12.2.3.2Switching surge/Bias kVp+N.A.N.AkV ACP 12.3Power frequency withstand voltage at site altitude dry/wet 12.3.1To earth and between phases in closed position - 1 kV minute460460KV12.3.2To earth and between phases in open position - 1kV minute460460KV12.3.3Across open gap -1minutekV520520KV13In air clearances: 13.1Phase to earth aecing distancemmplease see DIM. Prints2100MM13.2Phase to phase distance in open position mmplease see DIM. Prints2550MM13.3Distance between terminals of open isalator mmplease see DIM. Prints2200MM14Support insulators 14.1ManufaturerChinaCHINA14.2Type, designation of unitBrown glazed porcelain BROWN GLASED PROCELAIN14.3Minimum creepage to earth (to IEC 815) mm75007500MM15Protected creepage distance mm32043205MM16Radio influence voltage level measured at 1.1 timesμV Us/√3 at 1MHz25002500MM17Maximum capacitive current that can be interruptedAby the disconnector 1AItem NoDescription ParticularsOFFERED 245kV245KV18Operating mechanism for disconnecting switch: 18.1Type BCM-F(MOTOR&HAND)SCRJ218.2Operating voltage - rated/ min for : (a) operating coil (if any) V----- (b)Motor V220 VDC220VDC19Opening time- from the moment when the coil is energised until the complete extinction of arc between opened contacts( under system highest voltage condition)3 up to 510S20Operation time - from the moment when the coil isenergised until the disconnectoon of operating motorin limit open disconnected positioning.3 up to 510S21Operating mechanism for earthing switch (a) type BCM-F(MOTOR&HAND)SCRJ3(b) operating voltage- rated/min/max220 VDC220VDC(c)rated power170370W22Total weight of complete disconnecting switch ( one or three poles).1100(shipping)2665KG(SHIPPING)23Type test certificate details(a)testing stationCESI - ITALYKEMA(b)certificate numbersA6020791TIC3010-033.1.3EARTHING SWITCHES Item NoDescription Particulars 245kV245KV1Manufacturer 1.1Name Pars Switch Co.RGHY1.2Country of origin IRANCHINA2Type / Designation NVA245(associated with earthing switch )/outdoorJW10-2523Type of contactsPINPIN4Materials of contact surfaceSliver Plated CopperSILVER PLATED COPPER5Rated short time current (a) For 1 sec KA(rms)5050KA (b) For 2 sec KA(rms)---- 6Rated peak short currentKA(peak)125125KA7Gap between polesMmPlease see DIM.Prints2050MM8One minute power frequency withstand kV voltage cross open gapPlease see type test reports460KV9Lightning impulse withstand voltage Please see type test reports1050KV10Operating mechanism(a)Type MOTOR&HAND(BCM-F)SCRJ3(b)Operating voltage - rated/min V220 VDC220VDC(c)Rated powerW170370W11Main dimensions MmPlease see DIM.PrintsSEE THE DRAWING 12Total weightKgPlease see DIM.PrintsSEE THE DRAWING 13Type test certificate details(a) Testing station/authorityCESI-ITALYKEMA(b)Certificate number A6020791TIC3010-03(c)Applied standardsIEC62271-102IEC62271-10214Creepage distance mm75957595MM