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Are the Altivar Process Drives suitable for use on ungrounded, corner grounded and hi leg Delta systems?

Published date: 15 November 2018

Issue:
Are the Altivar Process Drives suitable for use on ungrounded, corner grounded and hi leg Delta systems?

Product line:
Altivar Process, ATV600,  ATV900

Environment:
All

Cause:
Delta voltage system

Resolution:
The drive can operate on corner grounded and high leg voltage systems.  However, the built-in EMC filter must be disconnected.  For High leg, the neutral must not be used.
The VFD can also operate on an ungrounded delta system but the EMC filter must also be disconnected.

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