长时间重复双极脉冲作用下双绞线样品的局部放电起始电压

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI:10.1109/ELINSL.2004.1380514

K. Kimura, S. Ushirone, T. Fukushima, S. Ohtsuka, M. Hikita

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引用次数: 13

摘要

逆变电机的可靠性取决于定子绕组的局部放电行为。本文利用光学和电学的局部放电起始电压检测方法，讨论了长时间重复脉冲作用下双绞线样品的局部放电起始电压特性。对于PDIV测量，我们采用脉冲峰值电压逐级连续上升的方法。重复频率为500hz。结果表明，即使在长时间的重复脉冲后，PD也可能发生。讨论了特殊电压波形下PDIV测试程序的实际意义。

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Partial discharge inception voltage of twisted pair samples under long-time repetitive bipolar impulses

The reliability of inverter-fed motors depends on partial discharge (PD) behavior of stator windings. In this paper we discuss partial discharge inception voltage (PDFV) characteristics of twisted-pair samples under long-time repetitive impulses using optical and electrical PD detection methods. For PDIV measurement, we adopted step-by-step and continuous rise of peak voltage of impulse. The repetitive frequency is 500 Hz. The result suggests that PD can occur even after a long period of time of repetitive impulses. We discuss practical importance of test procedure of PDIV under the special voltage waveforms.

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Conference Record of the 2004 IEEE International Symposium on Electrical Insulation

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