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Is it ok to use an ATS48 with a Corner Grounded Delta, Ungrounded Delta, or Open Delta system?

Published date: 11 June 2020

Issue:
Usage of ATS48 with a Corner Grounded Delta, Ungrounded Delta, or Open Delta system

Product Line:
 ATS48

Environment:
 Corner Grounded, Ungrounded Delats, Open Delta system

Cause:
 n/a

Resolution:
It is ok to use Corner Grounded Delta with an ATS48.
However, some problems may occur on Ungrounded systems. One or more phases may have a high voltage with respect to ground and may cause measurement irregularities that can affect the operation of the soft starter.
The Open Delta may be a problem because the voltage may not be balanced when loaded. This may cause phase fault problems.




CTA-ID : 2023862

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