IEEE Std 275-1992 Revision of IEEE Std 275-1981 IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for Alternating-Current Electric Machinery Employing Form-Wou by Electric Machinery Committee of the IEEE Power Engineering Society

IEEE Std 275-1992 Revision of IEEE Std 275-1981 IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for Alternating-Current Electric Machinery Employing Form-Wou by Electric Machinery Committee of the IEEE Power Engineering Society

Author:Electric Machinery Committee of the IEEE Power Engineering Society
Format: pdf
Tags: A test procedure for comparing two or more insulation systems in accordance with their expected life at rated temperature is described. The procedure is limited to insulation systems for ac electric machines using form-wound preinsulated stator coils and rated 6900 V and below. This procedure is intended to evaluate insulation systems for use in usual service conditions with air cooling. It does not cover such special requirements as machines that are enclosed in gas atmospheres, or that are sub, electric machinery, ac; form-wound preinsulated stator coils; insulation systems


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