PDA和EMI诊断测量的比较[用于机器绝缘]

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.996004

J. Timperley

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引用次数: 9

摘要

有两种方法可用于与高压机器相关的云母基绝缘的在线监测。局部放电分析(PDA)是一种时域技术，用于测量和分类经常发生在定子缺陷处的电脉冲。电磁干扰分析(EMI)是一种捕捉和分类大多数高频频谱的频域技术。这可以包括与定子相关的缺陷以及与非机器相关的信息。本文对18kv发电机定子棒电老化过程中两种方法采集的数据进行了实验室对比。人们发现这两种技术产生了相似的结果。

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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Comparison of PDA and EMI diagnostic measurements [for machine insulation]

There are two methods available for the online monitoring of mica-based insulation associated with high-voltage machines. Partial discharge analysis, PDA, is a time domain technique that measures and classifies electrical impulses that often occur at stator defects. Electromagnetic interference analysis, EMI, is a frequency domain technique that captures and classifies most of the high frequency electrical spectrum. This can include stator related defects as well as nonmachine related information. This paper presents a laboratory comparison of data collected by these two methods during the electrical aging of an 18 kV generator stator bar. These two techniques were found to produce similar results.

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

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