
AI825 3BSE036456R1
ABBAI8253BSE036456R1其三,常闭触点QF3闭合,因控制开关SA在“合闸后”位置,控制开关SA(1,3)及SA(17,19)接通,断路器位置和控制开关位置不对应,接通事故小母线WAS,发出“事故跳闸”音响信号;电流路径:701→SA1-3→SA17-19→QF3→WAS-其四,常开触点QF4断开,断开“跳闸回路断线”监视回路。9.防跳继电器KPJ断电返回:其一,常开触点KPJ1断开,解除KPJ(V)“防跳”自保持回路;其二,常闭触点KPJ2闭合,为下次合闸作准备其三,常开触点KPJ3断开,解除对出口继电器KCO触点的保护作用。10.合闸位置继电器KCC断电返回:其一,常开触点KCC1断开,红灯RD熄灭;其二,常闭触点KCC2闭合。11.信号继电器1KS动作,常开触点1KS闭合,接通预告信号小母线WFS,发出“电流速断跳闸”音响信号。电流路径:703→1KS→WFS七、断路器在合闸工作状态,变压器过电流保护范围内发生故障,保护动作过程分析1.当变压器过电流保护范围内发生相间短路故障(以A、B相间短路为例,且暂不涉及零序电流保护),变压器一次回路流过短路电流。2.电流互感器TA1a、TA2a二次侧分别感应出故障电流,使电流继电器1KA、励磁。电流路径:TA2a→1KA→3KA→TA2a3.电流继电器IKA动作,其常开触点IKA闭合,时间继电器KT接通控制小母线WC而励磁。电流路径:WC+→1FU→IKA→KT→2FU→WC-4.时间继电器KT达到整定延时时限时,延时闭合瞬时断开的常开触点KT闭合,保护出口继电器KCO及信号继电器2KS,接通控制小母线WC而励磁。电流路径:WC+→1FU→KT→2KS→2XB→KCO→2FU→WC-5.保护出口继电器常开触点KCO闭合,使防跳继电器电流线圈KPJ(I)及跳闸线圈YR接通控制小母线WC而励磁。电流路径:WC+→1FU→KCO→KPJ(I)→QF2→YR→2FU→WC-6.防跳继电器KPJ动作:其一,常开触点KPJ1闭合,用于“防跳”自保持,作用于断路器QF有可能出现的“跳跃”现象;其二,常闭触点KPJ2断开,防止合闸接触器KO回路接通;其三,常开触点KPJ3闭合,使断路器在跳闸中,给常开触点KCO提供保护回路。电流路径:WC+→1FU→KPJ3→KPJ(I)→QF2→YR→2FU→WC-7.跳闸铁心动作,使断路器QF跳闸,切断变压器主回路,电流继电器1KA时间继电器KT及保护出口继电器KCO均随即返回。8.断路器QF跳闸后:其一,常闭触点QF1闭合,接通合闸监视回路。因SA(11,10)触点已接通,绿灯GN接通控制小母线WC而亮平光;电流路径:WC+→1FU→SA11-10→GN→2SQ→QF1→KO→2FU→WC-其二,常开触点QF2断开,切断跳闸线圈YR回路,防跳继电器电流线圈KPJ(I)和合闸位置继电器KCC均断电返回;其三,常闭触点QF3闭合,因控制开关SA在“合闸后”位置,控制开关SA(1,3)及SA(17,19)接通,断路器位置和控制开关位置不对应,接通事故小母线WAS,发出“事故跳闸”音响信号;电流路径:701→SA1-3→SA17-19→QF3→WAS-其四,常开触点QF4断开,断开“跳闸回路断线”监视回路。9.防跳继电器KPJ断电返回:其一,常开触点KPJ1断开,解除KPJ(V)“防跳”自保持回路;其二,常闭触点KPJ2闭合,为下次合闸作准备其三,常开触点KPJ3断开,解除对出口继电器KCO触点的保护作用。10.合闸位置继电器KCC断电返回:其一,常开触点KCC1断开,红灯RD熄灭;其二,常闭触点KCC2闭合。11.信号继电器2KS动作,常开触点2KS闭合,接通预告信号小母线WFS,发出“过电流跳闸”音响信号。电流路径:703→2KS→WFS八、断路器在合闸工作状态,变压器轻瓦斯信号动作过程1.当变压器内部发生轻微故障或油箱内油面有少量下降时,轻瓦斯触点2KG动作,其常开触点2KG闭合,信号继电器5KS接通控制小母线WC而励磁。电流路径:WC+→1FU→2KG→5KS→2FU→WC-2.信号继电器5KS动作,其常开触点5KS闭合,接通预告信号小母线WFS,发出“轻瓦斯”动作预告信号。电流路径:703→5KS→WFS九、断路器在合闸工作状态,变压器重瓦斯保护动作过程1.当变压器内部发生严重故障(如相间短路等),而使油箱内油面有大量下降时,重瓦斯触点1KG动作,其常开触点1KG闭合,保护出口继电器KCO及信号继电器3KS接通控制小母线WC而励磁。电流路径:WC+→1FU→1KG→4XB→3KS→3XB→KCO→2FU→WC-2.保护出口继电器常开触点KCO闭合,使防跳继电器电流线圈KPJ(I)及跳闸线圈YR接通控制小母线WC而励磁。电流路径:WC+→1FU→KCO→KPJ(I)→QF2→YR→2FU→WC-3.防跳继电器KPJ动作:其一,常开触点KPJ1闭合,用于“防跳”自保持,作用于断路器QF有可能出现的“跳跃”现象;其二,常闭触点KPJ2断开,防止合闸接触器KO回路接通;其三,常开触点KPJ3闭合,使断路器在跳闸中,给常开触点KCO提供保护回路。电流路径:WC+→1FU→KPJ3→KPJ(I)→QF2→YR→2FU→WC-4.跳闸铁心动作,使断路器QF跳闸,切断变压器主回路。5.断路器QF跳闸后:其一,常闭触点QF1闭合,接通合闸监视回路。因SA(11,10)触点已接通,绿灯GN接通控制小母线WC而亮平光;电流路径:WC+→1FU→SA11-10→GN→2SQ→QF1→KO→2FU→WC-其二,常开触点QF2断开,切断跳闸线圈YR回路,防跳继电器电流线圈KPJ(I)和合闸位置继电器KCC均断电返回;其三,常闭触点QF3闭合,因控制开关SA在“合闸后”位置,控制开关SA(1,3)及SA(17,19)接通,断路器位置和控制开关位置不对应,接通事故小母线WAS,发出“事故跳闸”音响信号;电流路径:701→SA1-3→SA17-19→QF3→WAS-其四,常开触点QF4断开,断开“跳闸回路断线”监视回路。6.防跳继电器KPJ断电返回:1336-SN-SP16A1756-CNB/D1756-ENBT/A1794-OE12IC697CGR935A06B-6079-H1061769-OB32AK-BX556M6SE6430-2UD42-5GBODCS40-25194R-NJ100P36GK1105-2AE003401PC32000FCIMR-MR5N27P5IC3645OSC5E90811405060140CPU53414AIC3645OSC5E9194R-NJ100P3DCS-401-0405REV.A.1405AJ120-172J120-190J120-485J120-S147B1756-CNBR1756-ENBT1756-L631756-RMDC2500-CE-0A00-200-00000-00-0XBTF011310PWS6600S-S2098-DSD-010A16B-2203-0073/02AA16B-2203-0073/02A140ACI03000140ARI03010140CPS12420140CPU65160140CRA93200140DDI35310140DDO35320140XBP0100140XCP5100140XTS0020051403776-100H117AL112F16632BA16B-1212-0950DS41-30DS4600A-22201336F-B025-AE-EN1336-WB009A02B-0319-B502A249SS-120-A-G6RA7085-6DS22-0-ZZ=S00+K00INNIS21INNPM126ES7-151-1AA04-0AB01398-DDM-019IC695CPU315IC695PBM300IC695PSA0400-51378-191756-CNB1756-DNB/D1756-PA756ES7317-2EK13-0AB03503E351136253700A3805E8312A06B-0034-B0771C31194G011C31197G01TC-IDD321140ACI03000140ACO13000140ARI03010140CPS11420140CPU65150140CPU67160140CRA93200140CRP93200140DDI35300140DDO35300140NOE77101140XBP00600140XBP01000140XBP01600140XTS00200990XCP98000MA0185100MA0186100MA0329001PTQ-PDPMV1TSXBATM02TSXMRPC003MTSXMRPC007M1769-IF16C1769-OF8C531X111PSHASG3AK-BX511M2QA225M8ACS550-01-015A-4ACS550-01-08A8-4PSS30/52-500LPSS37/64-500LPST50-600-701756-DNB/A1756-ETHERNET1336-BDB-SP30D1336F-B100-AE-EN1336-QOUT-SP13AJWS600-246GK7343-1EX21-OXEO6DR5010-0NG00-0AA01756-A10/A1756-DH/RIO1756-IF161756-OF81756-PA72/B2711-B6C103805EA06B-6079-H101A06B-6079-H104A06B-6079-H203A06B-6080-H304RS2A03A0ALOWOOIMDSO14IMFEC12YB560101-EL5100MIC200PWR102FDSO14FEC12C40H-C3DR-DE140ACI04000140ARI030101756-IF16/A1792D-8BVT8D1792D-8BVTOD1794-OA8IQAE3075.010VXF53.40-166AV6643-0CD01-1AX12CN3000TSX07301028P0940AXP0940CUP0940DHP0940HQDSO14FCM10EFEC12505-CODACCESS4000CIMR-JB4A00116ES7416-1XJ02-0AB06GK1541-2BA006ES7158-0AD01-0XA06ES7317-2AJ10-0AB06ES7340-1AH02-0AE06GK7343-1CX10-0XE06SN1123-1AA00-0AA26SN1123-1AB00-0HA26SN1145-1AA01-0AA2VF-SXN(400V1.5KW)31C075-503-4-001250-1476MDS-B-CV-110MDS-B-SP-185MDS-B-SP-220MDS-B-SVJ2-20ACS800-01-0205-3+P901FR-D720S-0.75K-CHFR-E740-3.7K-CHT1756-CN2R1756-CNBR1756-EN2T1756-ENBT1756-IF161756-IR6I1756-L611756-L621756-L731756-OF6CI1756-OF81756-PAR21756-RMDCS-401-0405REV.A.1405ASGMPH-15AAA212711-M3A18L12711P-RP1E1401BE8491BGPIB-PCII/IIAISA-GPIBASSY18056-01的IEEE488.2IC693CPU323140ACI03000140ACO13000140CPS11420140CPU11303140DDI85300140DDO35300140NOE771018030-RRK-300FBM01P0400DAFBM07BCM400YHFBM09CCM400YKFBM201P0914SQFBM207BP0914WHFBM242P0916TAP0400HHP0500SRP07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