使用电流分析进行断条检测-一个案例研究

2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED) Pub Date : 2013-10-24 DOI:10.1109/DEMPED.2013.6645748

D. Matic, Ž. Kanović, D. Reljic, F. Kulić, D. Oros, V. Vasic

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引用次数: 11

摘要

本文介绍了3.15 MW电机断条检测在某火电厂的应用实例。电机电流是单相测量的。特征提取是基于暂态和稳态分析。利用希尔伯特变换和小波变换提取断条特征。讨论了转子的时域状态，并考虑了电流包络度的偏度和峰度。存在低轴负荷情况。采用现代数字信号处理技术，可以实现高电压、大功率感应电机断条的可靠检测。

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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Broken bar detection using current analysis — A case study

This paper covers a case study of broken bar detection for 3.15 MW motor in a thermal power plant application. The motor current is measured in one phase. Feature extraction is based on transient and steady state analysis. Hilbert and Wavelet transforms are used to extract broken bar features. To discuss rotor condition in time domain skewness and kurtosis of current envelope are also considered. Low shaft-load conditions are present. In case of high-voltage, high-power induction motor reliable broken bar detection is possible when contemporary digital signal processing techniques are used.

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来源期刊

2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED)

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