利用一种新型的局部放电检测仪在线监测发电机的绝缘状态

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995876

Wei Wang, Wufeng Li, C.R. Li, L. Ding, Q. Su, C. Chang

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引用次数: 2

摘要

发电机局部放电在线监测越来越广泛地应用于发电机定子绕组绝缘状况的评估。本文介绍了一种用于发电机局部放电在线监测的新型检测器。利用该探测器在实验室对一些发电机模型棒进行了局部放电测量。利用Hq(/spl phi/)、Hn(/spl phi/)和Hn(q)的光谱分析了不同类型PD的特征。本文报道了安装在中国山西省某电厂汽轮发电机上的探测器现场试验的一些初步结果。

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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The estimation of insulation condition of generators by on-line monitoring of partial discharges using a new detector

The on-line monitoring of partial discharge on generators is more and more widely used to estimate the insulation condition of generator stator windings. In this paper a new detector for on-line monitoring of partial discharges of generators was introduced. The measurement of partial discharges was carried out on some generator model bars in a laboratory using the new detector. Features of different types of PD were analyzed using the spectrums of Hq(/spl phi/), Hn(/spl phi/) and Hn(q). Some primary results from field test are reported for a detector installed on a turbine generator in a power plant located in Shanxi Province of China.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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