定子绕组局部放电分析

2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2003-10-19 DOI:10.1109/CEIDP.2003.1254936

R. Patsch, D. Benzerouk

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引用次数: 3

摘要

局部放电分析是电气设备诊断的常用工具，在大多数情况下，仅记录放电发生的相位角和脉冲高度。如果电压只施加到定子绕组的一端，而另一端则是自由电位，则脉冲高度分布可能会因哪一侧通电而不同。详细分析表明，可能会出现特征不同的脉冲形状。本文将处理实验结果，并讨论耦合阻抗输出信号的不同脉冲形状在多大程度上可以用于识别位于绕组不同区域的不同缺陷。

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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Analysis of partial discharges in stator windings

The analysis of partial discharges is a common tool for the diagnosis of electric equipment, whereby in most cases only the phase angles at which the discharges occur and the pulse heights are registered. If the voltage is applied to only one end of the stator winding and the opposite is left on free potential, the impulse height distributions may be different in dependence on what side is energized. The detailed analysis revealed that characteristically different pulse shapes may occur. The paper will deal with experimental results and discuss in how far the different pulse shapes of the output signal of the coupling impedance can be used to identify different defects located in different regions of the winding.

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2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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