公司主营：AB、ABB、GEFANUC、福克斯波罗、英维思、ICS、、本特利、西屋、巴赫曼、艾默生EPRO、施耐德莫迪康、安川、横河、博世力士乐、伍德沃德、摩托罗拉、XYCOM等PLC模块、DCS备件。HONEYWELL8C-PDILA151454471-175HONEYWELL8C-PDILA151454471-175HONEYWELL8C-PDILA151454471-175一、分析开关故障变压器有“吱吱”的放电声，电流表随响声发生摆动，***保护可能发出信号，油的绝缘降低，这些都可能是分接开关故障而出现的现象，分接开关故障的原因有以下几条：1.分接开关触头弹簧压力不足，触头滚轮压力不均，使有效接触面面积减少，以及因镀层的机械强度不够而严重磨损等会引起分接开关烧毁。2.分接开关接头接触不良，经受不起短路电流冲击发生故障。3.切换分接开关时，由于分头位置切换错误，引起开关烧坏。4.相间绝缘距离不够，或绝缘材料性能降低，在过电压作用下短路。二、三相电压不平衡1.三相负载不平衡，引起中性点位移，使三相电压不平衡。2.系统发生铁磁谐振，使三相电压不平衡。3.绕组发生匝间或层间短路，造成三相电压不平衡。三、继电保护动作继电保护动作，说明变压器有故障。***保护是变压器的主保护之一，它能保护变压器内部发生的绝大部分故障，常常是先轻***动作发出信号，然后***动作跳闸。轻***动作的原因：（1）因滤油、加油，冷却系统不严密致使空气进入变压器。（2）温度下降和漏油致使油位缓慢降低。（3）变压器内部故障，产生少量气体。（4）变压器内部故障短路。（5）保护装置二次回路故障。M***7-12-300-RPTQ-PDPMV11784-PKTXLTE120.6KVA0608750040170AAI14000140DDI35300XC5010CXF502XF521AXF522AXF523AXF524A8250-596VAD-ME-I-3/8-35533BKDC-16IC698CHS009IC698CRE030IC698PSA100IC698RMX0161756-DNB1756-IB161756-IF6CIS1756-OB16D1756-OF46GK1151-2AA00SAC-M1450-400BKDR-161747-L5511756-L61140CPU671606FC5250-6DY30-5AH06GK1551-2AA00C79459-A1890-A106ES5390-0UA11140DDI85300140DDO35300CCD8D615103HAC6367-1CIMR-J7AA20P2DSX-***00-V2IC693ALG392IC694ALG392IC694ALG221IC694MDL660IC694MDL754IC695CPU310RSIC695PSD040F140DDI85300140DDO35300CM400YKP081000000GG含4个IPM02P0902XAP0972AJTSXCPP110140CPU671606GK7342-5DA03-0XE0CI541V13BSE014666R16ES7416-3FR05-0AB0FRN22F1S-4C140ACI03000140ARI03010140CRA93200140CRP93200140DDI85300140DDO35300140NOE77101AB7000-BMKD041B-144-KG1-KNRCGROUPMP2000NC1ETNC1L-RS2NC1S-1NC1X1604-WNC1Y16T05P5-13DM455.60-2E30004380A1756-CNBR/D1756-DNB1756-ENBT1756-TBCH1756-TBNHIC697CPX935IC697PWR711A06B-0267-B605MDX60A0075-5A3-4-003RT1015-1AB01ED63B050FXD63B150MTG0050J6SC6110-0EH03KPS-60/20-ESCKSD1-08KSD1-32KSD1-48CT-602-KX1756-CNB1756-ENBT1756-L611756-PA721784-CF641786-RPA1786-RPFM1794-ACN151794-PS32711P-T6C20DMVI46-MNET6DR1900-51756-A71756-BA11756-CNB1756-CNBR1756L55M131756-PA721757-SRM1786-TPY1794-ACNR151794-IB321794-IE81794-OB32P1794-OF4I1794-PS31794-TB31794-TB32ACS600I/O板NICO-01RAP10-MSW1I/F-3ROD270-18000MK9906N.82OSE-A57/2MVI69-MCM1606-XL240EA20B-3300-0281SKBD200150OPTIFLUX4100C1SBP260020R100107CR41MDV60A0300-503-4-00140DAI75300T1F-08AD-16DD1681-0CA2DSQC313恒睿电子科技有限公司2711P-RDT15CBZE6-2RN194IC693CPU323LE-30CTAT1F-08AD-13HAC025338-002INICT03ADDCP-921310JACP-317120JACP-317800JACP-921900JEPMC-10220JEPMC-EX200JEPMC-MB200JEPMC-MB210JEPMC-MC200JEPMC-MC2209602-0205SN39379DDCP-921310JACP-317120JACP-317800JACP-921900JEPMC-10220JEPMC-EX200型号BZE6-2RN194IC693CPU323LE-30CTAT1F-08AD-13HAC025338-002INICT03ADDCP-921310JACP-317120JACP-317800JACP-921900JEPMC-10220JEPMC-EX200JEPMC-MB200JEPMC-MB210JEPMC-MC200JEPMC-MC2209602-0205SN39379DDCP-921310JACP-317120JACP-317800JACP-921900JEPMC-10220JEPMC-EX200JEPMC-MB200JEPMC-MB210JEPMC-MC200JEPMC-MC220E8403AVXIMAINFRAME9905-792XVME-653GB-23/USBGD-773/ADB5331AE6C-AB4B6DD1601-0AH06DD1681-0EA16DD1681-0FG06DD1688-0AE26DL3100-8AC1769-0B321769-IQ321769-L35CR1769-PA41794-ACN151794-IB321794-OB161794-PS36SE7307-1EA0D-0AA06ES7321-1BH02-0AA06ES7321-1BL00-0AA06ES7322-1BL00-0AA06DD1684-0GD06DD1684-0GF06ES7416-3XL04-0AB01747-L30A/B140ACI04000140CPS11420140CPU65150140XBP01000MDS60A0055/5A3/4/00KPS600/20TSXAEY800TSXASY410TSXDEY32D2KTSXDSY16T2TSXP572634MTSXPSY3610MTSXRKY121756-CNBR/D1756-DNB1756-ENBT1756-TBCH1756-TBNHIC660HHM501IC697CPX935IC697PWR711AA10VSO100DFR/31R-PKC62K38AA10VSO71DFR/31R-PKC92NOOAA10VS045DFR/31L-PKC62K01FVS-OAM5MS-A-RCU312DI325DO321PS244140ARI03010140CPU53414B140CRP93100140NOE77100467NHP811003HAC025562-001/053HAC029105-001DSQC6093HAC14178-1DSQC6433HAC024488-001/01DSQC6513HAC025784-001/100DSQC6523HAC025917-001/100DSQC6533HAC025918-001DSQC6613HAC026253-001/10ADSQC6623HAC026254-001DSQC6633HAC029818-001/05DSQC6683HAC029157-001/04DSQC6683HAC029157-001/04DSQC6693HAC027652-001DSQC6793HAC028357-001QSQC6793HAC028357-0016RA7028-6DS22-06RA7085-6DS22-0SGMAH-08AAA41750W6DD1600-0AE2MAC112-B-0-LD-3C\130-A-0IS215UCVEH2A3DM455.60PC-E984-275XFL521BG1888-60704FX1N-32MR-001FX2N-48MR-001A06B-0710-B0013601201769-L32E30083503E360437003805EMPL-A320H-HJ22AA6FC5210-0DA20-2AA15X00226G01ST1PSDTC-FTEB01C***760-80X4-X6DS1412-8RR6DS1717-8RR6DS1723-8BBPSSPS24VHNF01.1A-F240-R0065-A-480-NNNNNAM1.3-08CP6016413-15R88M-U75030VA-S1140ACI03000140ARI03010140CHS11000140CPS11100140CPS12420140CPU11302140CPU43412A140CRA93100140CRP93100140CRP93200140DDI853001756-L611756-IB32/B1756-IF16EVS9326-ESFCP270)