Superseded Standard

IEEE 43-1974

IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery

Superseded by 43-2000. Insulation resistance characteristics of rotating-machine windings and the manner in which these characteristics may serve to indicate the condition of the winding are described. The recommended procedure for the measurement of insulation resistance of windings of rotating machines rated 1 hp, 1 kW or greater is presented. The recommended minimum value of insulation resistance of alternating-current and direct-current rotating-machine windings is given. Synchronous machines, induction machines, direct-current machines, and synchronous converters are covered, as well as armature windings and field windings. Fractional-horsepower machines are not included.

Sponsor Committee
PE/EM - Electric Machinery
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Superseded Standard
Superseded by
Board Approval
ANSI Approved:

Working Group Details

IEEE Power and Energy Society
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Sponsor Committee
PE/EM - Electric Machinery
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