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How do you run an ATV61 and ATV71 on a high leg, corner grounded, or ungrounded delta system?

FA240846

24 May 2021

Issue:
ATV61 and ATV71 using high leg, corner grounded or ungrounded delta system.

Product Line:
Altivar ATV61 ATV71

Environment:
All

Cause:
Needs to know if there is anything that needs to be done on the drive when using a high resistance to ground system?

Resolution:
You can use the drive on an high resistance to ground system however you will need to disable the ground connection on the RFI filter board.  See the examples below for the low horsepower drive and the high horsepower drives.