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IEEE STANDARD

429-1994 - IEEE Recommended Practice for Thermal Evaluation of Sealed Insulation Systems for AC Electric Machinery Employing Form-Wound Preinsulated Stator Coils for Machines Rated 6900 V and Below

Description: In this IEEE standard a test procedure for comparing two or more sealed insulation systems in accordance with their expected life at rated temperature is outlined. The procedure is limited to insulation systems for alternating-current (AC) electrical machines using form-wound preinsulated stator coils rated 6900 V and below
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