大容量的机种均采用多组IGTR并联,故测量检查时应分别逐一进行检测。IGTR的损坏也可引起变频器OC(+pA或+pd或+pn)保护功能动作。逆变器模块的损坏原因很多:如输出负载发生短路;负载过大,大电流持续运行;负载波动很大,导致浪涌电流过大;冷却风扇效果差;致使模块温度过高,导致模块烧坏、性能变差、参数变化等问题,引起逆变器输出异常。如一台FRN22G11S-4CX变频器,输出电压三相差为106V,解体在线检查逆变模块(6MBP100RS-120)外观,没发现异常,测量6路驱动电路也没发现故障,将逆变模块拆下测量发现有一组模块不能正常导通,该模块参数变化很大(与其它两组比较),更换之后,通电运行正常。又如MF-30K-380变频器在启动时出现直流回路过压跳闸故障。这台变频器并不是每次启动时,都会过压跳闸。检查时发现变频器在通电(控制面板上无通电显示信号)后,测得直流回路电压达到500V以上,由于该型变频器直流回路的正极串接1只SK-25接触器。在有合闸信号时经过预充电过程后吸合,故怀疑预充电回路性能不良,断开预充电回路,情况依旧。用电容表检查滤波电容发现已失效,更换电容后,变频器工作正常。 VDIF0626463505 XVME-653 ABMPL-B330P-MJ74?AANSFPMPLB330PMJ74AA AB1761-CBL-PM02线缆 AB1794-IRT8FlexI/OInputModule FC-TDOL-07120DOFTA,loopmonitoring120V,7chCC ABB3BSE002224R1 ABB3HAC3100-11 CIICAPINTECINC.REMOTEDIS**YFORCRC-35R Honeywell621-4350 ALLENBRADLEYTERMINALBLOCK30AMPSINGLEFEEDGRAY Honeywell621-11506211150 Kit,Gasdeliverylines,Side,10Ra210-04412-00Mattson ALLENBRADLEY10SLOTRACKw/PWRSUP1746-A10/B204A VS-626M5 CIMR-M5N27P5 AC Simatic6ES5301-5AA13 1745-PCCAllenBradleySLC150interface1745PCCE-81 欧姆龙PLCCS1W-ID211 AB1746-IB161746-1B161746IB16NIB KUKAKRC2/VKRC200-106-290 JAMSC-B1051B【厂家】 3HNA011344-001CABLEMC.USB1-AX1.X3 8V1022.00-1【B&R伺服】 AB1746-OB32E 1SAP217200R0001 Allen-BradleyDisplayUnit/Monitor2711-M14_2711M?14_SeriesA_RevD_85-264V RechnerSensorsKAS-80-C25-3-S CR06200-000000 AB1785-L80E1 TSXSCYCU6030 1336F-A060-AE-IT OMRONCJ1W-B7A22USPPCJ1WB7A22 安川直线电机SGLFW-50A200AP安川伺服SGDMSGDH IC693CBL328 TSXSCP1114 FANUC法那克A06B-6089-H1041 35670A 3HAC6823-1Cover 发那科A16B-2201-0101/10A板卡 FOXBORO福克斯波罗FBM21710 IC697LBR701 Tektronix2232100MHZOscilloscope,2Channel EmflonAB04F0013EH15K3 9563-810 IC693PCM300CA 140ERT85410Z GEFANUCIC697ALG320-DIC697ALG320/DIC697ALG320DIC697-ALG230D TK5133BSC950030R1 IC697CHS750RR 3HNP00762-1MO_EQLOCKNUTPGFEED 6SN1123-1AA00-0CA2+6SN1118-0AA11-0AA1 IMMPI01低价销售贝利模块 1756M13 140XBP01000 2711-B5A9L2 2711P-K12C4A2 P0914TRFBM217 FuseAllenBradley1401N46FuseClipKitNew400Amp AllenBradley1734-VHSC24SerC 1746-P2 和利时HOLLYSYSCPU模块LK210 2098-IPD-HV030 IC693MDL741LT OMRONCJ1W-SCU41USPPCJ1WSCU41 GEFANUCIC697ACC702A DI325 TSXpremiumTSXRKY12Premium机架,12槽 西门子G4-TBSP-100称重传感器 140ARI03010 莫迪康AS-B838-0321 SUNPC1000 42LRC5010AB42LRC5010 欧姆龙CPM2A-20CDR-D MoellerPKZM0-1,6 BOSCHREXROTHSERVODYNDMODELSERIESPOWERSUPPLYVMA20KB001-D NTFB01低价销售ABBBailey ALLENBRADLEY709-AOAAUSPP709AOAA 6ES7315-1AF01-0AB0 CAMPBELL3/32``-1/8``ROPECLIPB7670419*NEW* AB1761-L16BWAMicroLogix1000PLCTrainerwithSoftwareTraining 42MRL5000AB42MRL5000 2711-K5A1 AllenBradley1761-NET-AICBrNew30DayWarranty TB556.J.1.E.15.T.20 AB1756-L55M13 140CPS22400 1336F-BP250-AA-CM-EN INNIS21 AllenBradley2711P-T6C20D/D|PanelviewPlus*NIBFS* 3HAW050008636-0101ResolverStaticM2008NoSMB 269Plus269Plus-120W-1202 IIMSM01低价销售贝利模块 CM10/2001 RIGOLDS1204B200Mhz4CHDigitalOscilloscope2GS/sDSO NACHIFJK2005A NW-RR85-001 AB1762-L40BXB C19M10-30-005 990NAD21130 ANALYTICALSALES&PRODUCTS6251010cmDOUBLEUHPLCASS 三菱门较换流关断晶闸管装置GU-D04/GU-DO4带模块FGC400A-130DS 140DAI75300 XYCOMXVME601/51 1771-QDC 1756-OB16E CUTLER-HAMMERABRemoteI/O87-01369-01 QTY.4ALLENBRADLEY160SFREQUENCYDRIVES AllenBradley100-C23D*01Contactor 3HNP01640-1O-RING 安川伺服驱动器 SGDB-05ADG ELAUMC-4/11/03/4001 IWS-1513 AllenBradleyMicroLogix1500LRPProcessModule DSAI130D(3BSE003127R1) 轨道固定式附座施耐德RXM4LB2P7+RXZE1M4C IS200TTPWG1B 836TT253JX20AB836TT253JX20 siemens6DD1681-0CA2 140DRA84000 SDCS-PIN-21现货 SST-PFB-CLX IISAC01低价销售贝利模块 FINCORDCMOTORCONTROL2200S10013A*NEW* LUST变频器 ABPLC1756-CNBR LAM716-011057-002 IC697CHS783 碎纸机 XHBCC-103J-01FAS 驱动模块3HAC14550-4 MIV08A-1-V2 AS-P120-000 809A08EAB809A08E 西门子6ES7214-1AD23-0XB8 3HNA005674-001DRIVEUNITSERVO8 NACHIUM839A12-90102731 3HAB5845-1/2 MVME162-522A C200H-ME431 TSXCBRY2500 AB1333-BABSERIESBACDRIVE DCG-100ADCG4M-A001101010 Micro?Motion?Mass?Flow?Sensor?DS040S113SU?1/2"?Dia?Connectors?150PSI?Max Part#PartType#DescriptionQ'ty 安川SGMAS-04AGA-SU12 ALLENBRADLEY100-M12NZD243NSFP100M12NZD243 OKYM6W21 51309152-175(IOPAO) 输入模块(AB)SLC5001746-IA16 2711-NC13 BoschServodynVM7,5/BE-G1070918573-101(Nr.13) 西门子6ES7216-2AD22-0XB0/6ES7216-2AD22-0XB0 VDIF090401 60DAYSSERBF/WREV19.11MFG02/2010QTY AB9101-0439SeriesAAuxiliaryPowerSupply DATALOGICDS45ADS45A-LR3-J1 ABBDSQC532A保护控制单元 DSQC532 BAILEYABBIMCPM02 AB1762-IR4|RTDInputModuleNIBFS GECIRCUITBOARD44B398293-001/44A394699-G03*NEW* 3HNA009315-001RADIALSEAL 3BSE020520R1 462000.0040.01 SGDM-20AD AC 140NOE77101 IC200CBL555 1336F-A020-AN-EN FOXBOROFBM2011 AS-B273-001 ABSLC500LOADED13SLOTRACKCOMPLETESYSTEM5/03CPU 5STP18H4200 IC697MDL350 1C31234G01 JAMSC-B2604 FCM10E 欧陆直流AH465315U001 SIEMENS6DR2100-51 RD-023MS。数量:1个 ALLENBRADLEY700DC-P400Z2USPP700DCP400Z2 美国GE131.00IC693MDR390CPLC控制器 31C450-503-4-00 1756-L61 16101-174/03?39SDM024DCCBN? 西门子PLC6ES7214-1AD21-0XB0 A16B-1210-0510-01???? TRICONEX4351B JUSP-WS15AB SI3HAC16627-3 FANUCAXISCONTROLBOARDA16B-2200-002/09A*NEW* 施耐德PLCTSXP57453M 3HNA006147-001PDB-01 2711-T5A9L1AllenBradleyPanelView2711T5A9L1N70 Allen-Bradley-921746-A7A AllenBradleyAuxiliaryContactBlock#1495-G0~New RLX-FHS 西门子6ES5482-7LA11/6ES5482-7LA11 Westinghouse4256A67G01/4033755G04 3HAC020849-001 YASKAWA安川伺服马达SGMAV-08ADAB1 3HNE09092-1DUMMYPTC 140PLC140NOE77100 3HAB2211-1 西门子plc6ES7138-4CF41-0AB0 170ADM35010 KLOCKNERMOELLEREBE-223.2-2CPU-W IC693ACC300RR 1770-KF2RADC2B 3HNP01597-1PUSH-INCONNECTOR IC697ALG440 1336F-B050-AE-EN-GM5 PEPPERL+FUCHSKFD2-WAC-EX1*NEW*71894 3A99132G02 VG-301+VG-036 IC697CPM914RR 4StückBoschCNCPlatinenu.a.1070056309-104 1756-OB32 ALLENBRADLEY40410-498-01CROSSBAR SIEMENSPTM6.2U10(带底座) 140CRP93100 电源WH1-2FF1X00024H018 1746-NI8 AS-B872-200 QLBCMNBN16197-81/3