This document describes the recommended procedure for measuring insulation resis-tance of armature and field windings in rotating machines rated 1 hp, 750 W or greater. It applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Con-tained within this document is the general theory of insulation resistance (IR) and polarization index (P.I.), as well as factors affecting the results, test procedures, methods of interpretation, test limita-tions, and recommended minimum values.
- Sponsor Committee
- PE/EM - Electric Machinery
Learn More - Status
- Superseded Standard
- Superseded by
- 43-2013
- Superseding
- 43-1974
- Board Approval
- 2000-03-06
- History
-
- ANSI Approved:
- 2000-10-12
- Published:
- 2000-03-23
- Reaffirmed:
- 2006-03-30
Working Group Details
- Society
- IEEE Power and Energy Society
Learn More - Sponsor Committee
- PE/EM - Electric Machinery
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