Development and application of partial discharge analyzing system for swarming pulsive microdischarges

[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials Pub Date : 1991-07-08 DOI:10.1109/ICPADM.1991.172155

T. Ishida, Y. Mizuno, M. Nagao, M. Kosaki

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引用次数: 1

Abstract

The authors developed a personal-computer-aided partial discharge analyzing system for SPMD (swarming pulsed microdischarge) measurement. The system has two detection methods for partial discharge measurement: a conventional pulse charge method and a balanced Lissajous figure method. The former failed to detect SPMD due to the sensitivity limit of the detector, while the latter integrated all charges including SPMD per half cycle. Therefore, the difference between the charge integrals of partial discharges per half cycle measured by these two methods must be a good measure of SPMD. Based on this idea, a new parameter, the SPMD ratio, was introduced. Using the developed system, partial discharge characteristics were studied for the CIGRE method II specimen with internal void in order to examine the factor in the presence of SPMD. The results show that the magnitude of applied voltage, its frequency, and roughness of the void surface affect the appearance of SPMD.<>

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群脉冲微放电局部放电分析系统的研制与应用

研制了一种微机辅助局部放电分析系统，用于测量微脉冲群放电。该系统具有常规脉冲充电法和平衡利萨图法两种局部放电测量方法。前者由于探测器的灵敏度限制，未能检测到SPMD，而后者每半周期集成包括SPMD在内的所有电荷。因此，用这两种方法测得的半周期局部放电的电荷积分之差可以很好地衡量SPMD。在此基础上，引入了一个新的参数——SPMD比。利用所开发的系统，研究了具有内部空隙的CIGRE方法II试样的局部放电特性，以考察SPMD存在的因素。结果表明，施加电压的大小、频率和空洞表面的粗糙度对SPMD的形貌有影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials

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