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Could you guide us as to what would be the most prominent reason for the IGBT failures in the VFDs and what could be the cheapest solution to be tried out for stopping the Failures?
We have had @ 7 drive failures and we are still in the dark. Even Siemens is not able to help us. These were Micromaster 430/440 VFDs.
Almost 4 Drives are installed in each panel, and we have 4 such panels. Other Panels have 1 or 2 Drives installed in each of them and we have 12 of these.
Thanking you, take care and God Bless.
M.S.Randhawa
We have had @ 7 drive failures and we are still in the dark. Even Siemens is not able to help us. These were Micromaster 430/440 VFDs.
Almost 4 Drives are installed in each panel, and we have 4 such panels. Other Panels have 1 or 2 Drives installed in each of them and we have 12 of these.
Thanking you, take care and God Bless.
M.S.Randhawa