在高直接电压斜坡试验中发现缺陷的意义

Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference (Cat. No.99CH37035) Pub Date : 1999-10-26 DOI:10.1109/EEIC.1999.826284

W. McDermid, B. Solomon

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引用次数: 18

摘要

根据IEEE标准95，使用高直流电压斜坡试验来评估旋转机械绕组的地壁绝缘状况。可能存在缺陷的证据已被发现，涉及沥青、聚酯和环氧树脂粘合绝缘系统。一些结果反映了缺乏治疗或环境条件，而其他结果表明了严重的接地墙缺陷，这些缺陷可能在机器使用期间发生故障。讨论了根据试验结果应采取的措施。

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Significance of defects found during high direct-voltage ramp tests

High direct-voltage ramp tests, according to IEEE Std 95, are used to evaluate the condition of groundwall insulation in rotating machine windings. Evidence of possible defects has been found involving asphalt, polyester and epoxy bonded insulation systems. Some results reflect lack of cure or environmental conditions while other results are indicative of serious groundwall defects which may fail while the machine is in service. Action taken on the basis of the test results is discussed.

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Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference (Cat. No.99CH37035)

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