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变频器逆变模块损坏多半是由于驱动电路损坏致使1个桥臂上的2个开关器件同一时间导通所造成的。变频器逆变功率模块损坏是不管在矢量变频器还是节能变频器等其他变频设备上常见到的故障，解决这种问题只有查到损坏的根本原因，并首先消除再次损坏的可能，才能更换逆变模块，否则换上去的新模块会再损坏。
一、判断
逆变功率模块主要有IGBT、IPM等，检查外观是否已炸开，端子与相连印制板是否有烧蚀痕迹。用万用表查C-E、G-C、G-E是否已通，或用万用表测P对U、V、W和N对U、V、W电阻是否有不一致，以及各驱动功率器件控制极对U、V、W、P、N的电阻是否有不一致，以此判断是哪一功率器件损坏。
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FISHER ROSEMOUNT NV MEMORY BOARD, 01984-2347-0021, REV T/AU
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FISHER ROSEMOUNT 880A USPP 880A
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Fisher Rosemount 1984-1137-0001 Power Regulator Card
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Fisher-Rosemount KJ3002X1-BC1 8CH/4-20mA Free SHip
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FISHER ROSEMOUNT DH6005X1-DA1-35 37A8986X012 ISOLATED I/O POWER BOARD B353766
Fisher Rosemount 12P1509X092
FISHER ROSEMOUNT DM6004X1-FA1 NSFP DM6004X1FA1
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Fisher Rosemount Micro Motion 3300P2A00B1UEZZZ
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FISHER ROSEMOUNT DM6004X1-FA1 USPP DM6004X1FA1
Fisher Rosemount 1984-1045-0003 Interface Card Assy Peerway by Emerson
FISHER ROSEMOUNT 3095-FH23BAA12AA1100A NSPP 3095FH23BAA12AA1
Fisher-Rosemount Systems - RS3 - OI Processor V - NEU - OVP
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Fisher Rosemount Delta-V KJ3004X1-BA1 KJ3004X1BA1 Fieldus Card SAR
FISHER ROSEMOUNT 620643 USPP 620643
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FISHER ROSEMOUNT 480-15-60 USPP 4801560
FISHER ROSEMOUNT 1M03205G01 NSPP 1M03205G01
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Fisher Rosemount Analog Input 8CH 4-20mA Module Industrial KJ3002X-BA1
Fisher Rosemount Analog Input 8CH 24VDC Module Industrial KJ3001X1-BG1
(N3-3) 1 FISHER ROSEMOUNT 41B5215X13R DISCRETE I/O CARD
FISHER ROSEMOUNT 1175-8006 USPP 11758006
FISHER ROSEMOUNT CL7001-A10 USPP CL7001A10
FISHER ROSEMOUNT Generator I/O Graphics Video card 01984-2503-0001
FISHER ROSEMOUNT DLC3010 NSFP DLC3010
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FISHER ROSEMOUNT DH6011X1-DA1 NSPP DH6011X1DA1
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6103X1-AA1 , FISHER-ROSEMOUNT SYS, RACK, 6103X1AA1
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(0162) Fisher Rosemount Hart Communicator Model 275
Fisher-Rosemount Systems - MPU/MEM PWB ASSY - OVP
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FISHER ROSEMOUNT 3051CD2A22A1AM5Q4DW NSPP 3051CD2A22A1AM5Q
FISHER ROSEMOUNT 1151-GP6E22B2 NSFP 1151GP6E22B2
