RockwellAllen-Bradley1794-IB321794-TB3GABB变频器柜短路跳闸原因ABB变频器内快熔完好，说明其逆变回路无短路故障。可能ABB变频器内进了金属***，如一个小螺钉或金属丝，运行中滑至L1整流桥母排间，造成短路，同时将阻容维护电阻连接线打断，ABB变频器跳闸，短路电流将金属***烧熔。送电时欠电压跳闸原因L1输入侧短路时，将配电室对应L1相的熔断器烧断，但因红色指示器未弹出来，值班电工检查时未发现，变频柜上电压表指示恰好引自L2L3两相，变频柜电压表指示为380V让人误以为输入电压正常。ABB变频器内部控制回路电压由控制变压器二次侧提供。其一次电压取自L1L3两相，L1缺相后，造成接在二次侧的接触器和风扇欠压。同时引起整流桥输出电压降低，特别在频率调升至一定水平时，随着负载的增大，电容两端电压下降较快，形成欠电压维护跳闸。ABB变频器跳闸防范措施1、坚持ABB变频器柜周围环境清洁，防止***进入。2、ABB变频器柜送电前，要认真检查交流供电电源，除检查仪表指示外，还要用万用表或电笔测试，确认无误后，方可送电试车。尤其在故障后，更应做详细检查。FoxboroP0904BSFOXBOROP0902WLFOXBORO235***FOXBORO843DP-B1IFOXBOROL0117AN-AFoxboroP0902UTFBM39FoxboroCM400YNFBM12FOXBORO0-200PSIFOXBORO134LVDFOXBORO130MC-N4FoxboroP0400YEFBMFoxboroIDP10FOXBORO873RS-AIWFNZFOXBOROIMT20-SA10FGZ-6FOXBORO138LP-4-CFOXBOROD0137EAFOXBOROP0914TRFoxboroModelRTT20-D1BNKFNFOXBORO58P4FOXBORO841GMFOXBORO821AL-DC1CM2-MFOXBOROCP30P0960AWFOXBOROP0904BSFOXBOROFBM12CM400YNFOXBOROIDP10-D22B21FFoxboro762CNA-ATFOXBOROP0500SRFoxboroP0911MLFOXBORO130M-N4FoxboroCM400YHFBM07FoxboroWP51DFOXBOROIMT25-IEATB10MFOXBORO2AT-CSSFoxboro823DP-H/IFoxboro0-150ManualforFoxboroIAP10/20IGP10/20FOXBOROMX45FOXBOROP0961FRFoxboroph/ORPSensor871PH-1A3AFOXBORONBIP0400ZGFOXBORO43APFOXBOROP0961BCFOXBORO13HA-HS2FOXBORO3-15PSI41649FoxboroE13DMFOXBORO893RA-QFSN000Foxboro760CSA-2AFoxboroC***otrol130M-N4FoxboroI/AP0400VRFOXBOROP0960AWFOXBORO870ITPHFoxboro130M-N4FOXBORO873PH-AIYCGZFOXBORO761CNA-ATFOXBOROFBM05P0400YFFoxboroIGP10-A22D1FFOXBOROP0972AJFoxboroWP51BFOXBOROPC10-AEM-CFOXBOROP0400YEFOXBOROP0400VPFoxboroE69F-B12FOXBOROIPM2-P0904HAFOXBOROSPEC-2002AX+SUMFoxboroWP51EWP51E1Foxboro863DP-M1D1SS-MFOXBORO13A-MS2FOXBOROP756019F281Foxboro11GMCS2FOXBORO130M-N4Foxboro740RA-A3300FOXBOROIGP10-D22E1F-M2FOXBOROB0140PKFoxboroIMT25-PEATB10N-ABFOXBORO740RA-A3333FOXBOROE83WA-02S1SGCDFOXBORO539M2762FOXBOROP0970WAFOXBORO2803-SABA-TSA-GFOXBOROFBM241FOXBORO823DP-D1P1NMFoxboro10-D22C11F-M1L1FOXBOROIMT25-SEATB10M-ABGFOXBORO75RTA-PDEFBFoxboro1GP10-D22D1F-L1FFOXBOROM0103AAFOXBOROC0130ZRFOXBORO***1530FOXBOROV3000FOXBOROP0972AJFoxboro870EC-NL13A-PFOXBOROL0117ANFoxboro11GM-BS1Foxboro2AT-CALFOXBORO873PH-AIYCGZFOXBOROP0400YLFoxboro2A0-V3IFOXBORO,2AX+DIOFOXBOROB0102RNFOXBOROFBM07CM400YHFoxboroWP51FFOXBOROC0136HZMiran205BFOXBOROFBM241FOXBOROM-0-15-4FoxboroM40PR-RSE1FFOXBORO920-EA1FOXBORO4020-FXFOXBOROM132NCFOXBORO13FA-MS31A5FOXBOROM#IMT25-SDADB21N-BFoxboro861GM-AD1FOXBOROB0136CGFOXBOROSRP981-BIDLS1NAFOXBOROIDP10-A22C21F-M1FOXBOROIM2-7DFOXBORO761CSA-3AFOXBOROC0140ZJFoxboroWP51WP51DFOXBOROM/40MR-R***2FFOXBOROW-D04S1SSRJA-BFOXBORO2432082FOXBOROPR1U-D06SFOXBORO843DP-H2T1NKFOXBORO3C8-D2CSFOXBOROP0916FLFOXBORO847DF-AH1SKEFOXBOROM/63R-OA-1FOXBORO57625-440FOXBOROP0800KEFoxboroCell34435/5S8039FOXBOROIGP10-A22D1FFOXBORO13A-HS2FOXBOROP0950CAFoxboroIGP10-122C1FFOXBOROP0400YEFoxboroE94FOXBORO893RA-QFBN000FOXBORO210S-1FOXBOROSRI986-BIDF2EAANAFoxboro2761-18CGFOXBOROPR-13UBS-012FOXBORO847DF-HI1SSE-AFoxboro873PH-AIYFGZ-7FOXBORO230***FOXBOROA2041EFFoxboro34C-APFOXBORO763RNA-C763RNA-C-E300-0-0-0-0-0-0-0-0FOXBORO1235-08G-K54-B1FOXBOROBO139XFFOXBOROP0902DZFOXBORO821GH-HS***2-MFOXBOROP0400YEFoxboroL0113EAPTRFOXBOROECKARDTSRI986-B1DS7FAANAFOXBORO870PH70NFoxboro,821GM-HS1NM2-MFOXBOROB0139EY873RS-AIWFGZFOXBOROFOXBORO2DRPS25-A6FoxboroP0400DAP0902UTP0400YVFOXBOROP0170PKFOXBORO43AP-FA42C-TA1AFOXBORO828837FOXBOROM132NCFOXBOROE92-RFN2IFOXBOROBO139XHFOXBOROB0135CRFOXBOROIDP10-TS3B01F-S01-FAR4M1L1FOXBOROL0119RU-9BOARDFoxboroFBM01FBM43FOXBOROSPEC235SZFOXBOROC0131MAFOXBOROD0130BYFoxboro130FD-NFOXBOROP0971WVDNBTFOXBOROP0915FUFOXBOROP0916AEFOXBORO8006A-WPR-KJGCNZFOXBOROSPEC230SFFOXBOROFBIP0400VEFOXBORO33608-TFOXBOROPB-PFFOXBORO893RA-QFLS006FOXBOROJ0123EAFOXBOROPN143TRFOXBOROG0114NKFoxboro823DP-I3K1NL2FOXBOROP0400VEFoxboroD3001BLFOXBOROC0140GJFOXBORO65FS-FDJB-AFoxboroSPEC200235***Foxboro11AM-HS2FOXBOROP0600TAFOXBOROJ0128TAFOXBOROG0113CHFoxboro872FOXBOROB0133LBFOXBOROB0158LYFOXBOROD0130BGFOXBOROQ0110AMFOXBORO2310-156FOXBOROP0922AWFoxboroP0903ZEP0902UTP0400YVP0400DAFoxboroP0903ZEP0902UTP0400YEFOXBOROL0119SEFOXBOROG0114NKFOXBOROH0103AYFoxboroRTT10-AAFSN000-CHFOXBOROE69F-1312FOXBOROC0141RAFoxboro861GM-ED1-CFOXBOROP0-500-RUFOXBOROPM400VPFoxboro841GM-BIFoxboroP0903ZLP903ZQC***02WXFoxboro13A-10-125FOXBORO11GM-AS1-PES-SJFOXBORO202S-06FOXBORO230SF-LFoxboroP0903ZE-0EP0400YE-0PP0902UT-0HP0400YV-0LFOXBOROCFT10-QAENCGZ873RS-AIFOXBOROFOXBOROP0911JQFoxboroF0106JHFOXBOROK0175BRFoxboroD3001YPFOXBOROFBM14CM400YQFOXBORO132F-N4FoxboroCFT10FOXBOROP0400YCFOXBORO62H-4E-OHFOXBORO823DP-I3S1NL2-MFoxboroL0113DGFOXBOROP0922VUFOXBORO3FK1-CCNFOXBOROP0911KFFOXBOROP0970BPFOXBORON0810ZB-KFFoxboroL0113YPFOXBOROIGP10-T22D1F-M1L1Foxboro821GM-IS1NM1FOXBOROP103RKFOXBOROP0914YMFoxboro821GM-DFoxboro11GM-AS2FOXBOROBA***02FOXBOROL0117AGFOXBORO2B7920FOXBORO2B8012FOXBOROP0912KAFOXBORODM400YR/DM400YLFoxboroP0903ZEP0902UTP0400YEFOXBORO2B7852FOXBOROP0700FWFOXBOROP0119BEFOXBOROD0134MP-TFOXBOROP0972PPFoxboro871A2FN813FOXBOROIDP10-T22B21F-M1L1FOXBORO235SZ-VFoxboroD3001YRFoxboroP0902UTP0400DAP0903ZEFoxboroD0130FMFOXBOROP0400ZCFOXBOROP0800DCFoxboroD0130FKFox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