IEEE 43-2000 Historical

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IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery

standard by IEEE , 03/23/2000

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Full Description

Scope

This document describes a recommended procedure for measuring insulation resistance 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. It does not apply to fractional-horsepower machines. The document also describes typical insulation resistance characteristics of rotating machine windings and how these characteristics indicate winding condition. It recommends minimum acceptable values of insulation resistance for ac and dc rotating machine windings. Othere IEEE standards that include information on insulation resistance measurement are listed in Clause 2.

Purpose

The purpose of this recommended practice is to a) Define insulation resistance and polarization index testing of the winding of a rotating machine. b) Review the factors that affect or change insulation resistance characteristics. c) Recommend uniform test conditions. d) Recommend uniform methods for measuring insulation resistance with precautions to avoid erroneous results. e) Provide a basis for interpreting insulation resistance test results to estimate winding suitability for service or for an overvoltage test. In particular, this standard describes typical insulation problems detected by the insulation resistance test. f) Present recommended minimum acceptable insulation resistance values and polarization indices for various types of rotating machines.

Abstract

Revision Standard - Superseded. 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. See more

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Document History

  1. IEEE 43-2013


    IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery

    • Most Recent

  2. IEEE 43-2000

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    IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery

    • Historical Version

  3. IEEE 43-1974


    IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery

    • Historical Version

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Product Details

Published:

03/23/2000

ISBN(s):

0738119245

Number of Pages:

28