ABBDCSAC700FCPU模块：DC705F附件TU731FABBDCSAC700FCPU模块：DC705F附件TU731FABBDCSAC700FCPU模块：DC705F附件TU731F在实际维修中变频器u、v、w三相输出不平衡可分为三种情况：(1)变频器显示器显示：(mis***gmotophase)输出缺相，如排除检测电路故障，则通过直接检查igbt模块和驱动电路，结论为igbt模块损坏，同时驱动电路也有问题。通过更换igbt模块和驱动电路上元器件如光耦，pnp，npn一对驱动晶体管，电解电容，稳压管等基本能解决问题。(2)变频器输出u、v、w之间相差100v左右，(输出380v为例)驱动电路中s1~s6中间的某一路驱动电路无驱动电压和驱动信号波形，通过测量输出端子u、v、w—p之间。(3)u、v、w—n之间直流电压，可找到这一路驱动电压不正常或没有驱动信号波形，它导致u、v、w中的某一相不能正常工作所引起相位差。解决办法为检查驱动电路电压是否正常，光耦是否坏了，电解电容是否漏液等。通过示波器测量6路波形符合技术要求，问题也就可解决了。还有另一种现象是变频器u、v、w三相输出交流电压之间相差大于3%，虽然能使用，但是不能长期使用和大负载使用。这主要是驱动电路s1~s6之间主要器件不对称所至，如晶体管的技术参数，稳压管的参数，电容的液枯，漏液和漏电等，6路驱动电路上器件的耗损使其参数上有一定的差别，导致变频器输出u、v、w之间产生微小的电位差。上述情况虽然能使用，但是技术上是不能容许的。我公司追求精益求精对各种器件通过筛选老化，如晶体管技术参数和稳压管技术参数一致、配对等，保证驱动电路中驱动信号符合技术要求，确保igbt模块饱和，导通时间上一致是由器件上的质量保证，修理好的变频器在做负载试验时，电动机运转中电动机声音轻盈，在修理前和修理后带相同功率电动机和相同功率负载，后者的电动机三相电流相对要小得多。AB1326AB-B515-GS2​K5LABBOETL-NF175PABBABBOESA-F100JT6AABBSK824101-AFABBZLS189BBABBMS116ABBSACES3ISOMAXABBMF719626ABBT3N200TMABBSR926380AB1326AB-B430G-M2​LABBS283-K16ABB58943410EABBTBL120ALDABBKC31E-01ABBA260-30-22-84ABBVBC6-30-10ABBEHW250WABBS282Z3AABBTU837V1ABBS274K1ABBACS-BRKABB3HAA1001-317ABBCBK-3MKIRABB12-220BABBESB-43015LABBK4TERABB48990001-FE/2DSSR-115ABBZA16-84ABBDSQC230ABBCBK-2BSL2-POSABBCBK-S2KS120ABB6216BZ10000ABB202-506-01ABB6205BZ10000ABBCBK-2BMKICABB6014BZ10000ABB6203BZ10000ABB6014BZ10000ABB6204BZ10100ABBREV-EH210-120VABBHPT-T200ABBA9-30-10ABBS272ABBRHC931ABB57288001ABB6228BZ10000DABB4925717-01ABB492838402ABB6009BZ10000ABBCP-24/20AABBS271ABBA12-30-01AB1326AB-B410G-21ABBYB161102-BVABBE21092ABBUC86-8CHABBFDC86-contABB73-297-900ABBVIZ-75ABB5STP-1842L0010ABBEHDBCK360-2ABBEHW160C-1L11ABBAF580-30ABBCBK-2BMLICABBKC631-YABB480V/6VABBA300W-20-22ABBFJ1003-3PB8BNVABBf364-63/0.03GE453AC2ABBABB57086785ABKZ800ABBACS401600615ABBS1N090TLABBCBK-M2BMLABBEH175C-1ABBVBC7-30-10ABB,A26-30-01ABB3E031709ABB492894301200-RACNABBOESA-CF30J65WABB6050NA10424ABBG00600A00ABBACS601-0020-6-0​00B1200901ABB940-128-102ABBYB560103-CD/23AB1326AB-B530E-21AB1326AB-B420-ES2​K4LABBACS550-01-023A-​4ABBACH550-UH-059A-​4AB1326AB-B720F-21AB1326AB-B720F-21ABBYB560103-CHABBYYT102CABBA185-30-11-84ABB1FT3101-5AZ21-9​-ZABBMPS-C-3716513A00ABB3HAB2241-1ABBEH260C-1ABBEH260C-1ABBEH260C-1ABBACS501-015-4-00​P2ABBACS401601135ABBDSQC2498ABBEHW-250ABB3HAB3365-001ABB6004BZ10300ABB50VM1000ABBACS601-0020-4-S​00B1200801ABB3HNE00025-1/16#29377ABB3HNE00025-1/16#29377ABBL3HAA-2121-2ABB3HAB5845-1ABB57775840ABBIP55ABBMPS-C2000ABBCAARS05HTABBACS601-0011-4-0​00B1200801ABBDSQC3253HAB2241ABBYT212001-ALABBPST60-600-70ABBD05010/R0004ABBGNT2009454R0004​/05MA22GABBYB560101-SVABB5716075-E/3ABBYB560103-CCABB57160001-ACAAB1326AB-B520-FS2​K5LABBYT213001-BBAB1326AB-B515E-21​-K5ABBYB560103-CEABB3HAA3563-AGA/2ABBACS601-0020-2-S​00B1200001ABBR3HAC10604-1AB1326AB-B515-GS2​K5LABB264DCFBDFSSSA4A​1V2E4N2ABB3HAB6372-1ABBMK14A-X020ABBPS60/4-50-P-LSS​-3823ABB61001395ABBSK827085-AFABB3HAC17971-1ABB3HAC36191ABB3HAB6425-1ABBACS601-0016-4-0​00B1200800ABB1922RA00103AABBACS501-006-3-00​P20000DABBACS601-0016-2-S​00B1200801ABB57160001KABBREV-EH175-120VAB1326AB-B515G-21ABBYYT-102CABBACH500ABBVOY-12ABBAM54072ABB3HAB5960-1ABBA210-30-11AB1326AB-B515E-21ABB3HAB2213-1/1ABB3BSE030220R1ABB3HAB8801-1/2BABB980006R109ABB3GAA182111-BDAABBS6NQ600BWABBS6HQ600EWABBACS143-4K1-3ABB5761806-0DABBPP07512HSABBPP07512HSABBRF6153BHT100010R1ABB2000DAI02ABB6231BP10830C-BABB3HAC16917-1ABB3BSE008508R1ABB3BHB003387R0101ABB3ASD573001A1YPP110AAB1397-B050NAB1394-AM75MODULEAXIS15KWAB1336F-MCB-SP2DABCAT-1201-HA2ABBL***2TLR0012ABBV05402A00ABBACH550-UH-012A-​4ABBAINT12CABBDCF504A0050NP53*ANP53*BNP53*C51402573-150DSAO1306DD1683-OCD06DD1683-0CC06DD1682-0CH26DD1681-0CA26DD1661-0AB1SST-PB3-CLXSST-SR4-CLXFBM233SR511GJR5252100R010107KT94GJR5252100R016107KT94DGJR5252100R020107KT94GJR5252100R026107KT94GJR5252100***6107KT945136-DN-PCC8102GF1180-8CACDIO16/16-0,5-1131BERGHOFID740CognexVM16A203-0075-CVPM-5118-32MATEQMF5F520SchneiderTSXDST3292安川YASKAWAADE-4C1CYASKAWACACRSR30TZ6***EYaskawaDR2-A5YASKAWAUSAREM-05CFJ11YASKAWA4K171-841-3YASKAWACACR-SR44BB1AM-​Y8YASKAWAE7BVB014XYASKAWACACR-SR02AB1ERYASKAWAXCAP04YASKAWAUCV000361YASKAWACACR-SR03AC1ERYASKAWACACR-SR02AC1ERYASKAWAETC507606-S3305YASKAWASGMAH-02AAF41YASKAWACACR-SR02AB1ERYASKAWACIMR-F55AS3YASKAWACACR-SRA5AB1ERYASKAWACIMR-SVJ-37AAYASKAWACIMR-F7U43P7YASKAWAJANCD-MEW02-1YASKAWACIMR-P5M25P51FYASKAWADS074YASKAWACIMR-PCU40P4YASKAWACIMR-PCU40P4YASKAWACACR-05-TF2ES-D​FYASKAWASGDB-20ADGY8YASKAWAJEPMC-PL200YASKAWACIMR-G7U41P5YASKAWACIMR-V7NU40P7YASKAWASGMG-13ASAYASKAWACIMR-XCBAB0P4YASKAWACACR-SR03AD1-KRYASKAWADR2-01ACYASKAWACACR-SR10SZ1SFY​90YASKAWASGM-01U3B2LYASKAWASGM-01U3B2CLYASKAWAJEPMC-CP200YASKAWACACR-IR-15SFBYASKAWASGDB-03ADMYASKAWAUSASEM-08-HG21YASKAWASGMGH-13D2A61YASKAWAYS-13YASKAWAJANCV-MFC05YASKAWADF8101720-D1YASKAWADE9407237-1福克斯波罗FoxboroP0950BM福克斯波罗FoxboroP0950BM福克斯波罗FoxboroP0950BM福克斯波罗FoxboroP0950BM福克斯波罗FOXBOROP0400HH福克斯波罗FoxboroFBM217福克斯波罗FOXBORODM400YL福克斯波罗FoxboroP0916PY福克斯波罗FoxboroP0916SR福克斯波罗FOXBOROFBM204福克斯波罗FoxboroP0961FR福克斯波罗FoxboroP0400DA)