一种检测鼠笼式电动机定子电流不平衡状态的新方法

2014 15th International Conference on Sciences and Techniques of Automatic Control and Computer Engineering (STA) Pub Date : 2014-12-01 DOI:10.1109/STA.2014.7086730

M. Salah, K. Bacha, A. Chaari

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引用次数: 3

摘要

这项工作的目的是提供一种替代方法，可以取代基于线路电流的频谱分析的传统技术，以检测由于影响鼠笼式电机绘制的一个三相电流的微弱幅度下降而导致的不平衡状态。从一个理论研究，它已经表明，在一个简单的搜索线圈的终端感应电动势的频谱分析可能是感兴趣的诊断目的，靠近电机框架。实验结果表明，无论负载水平如何，该传感器信号都能提供良好的故障指示。

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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A novel technique for detecting unbalance condition of the stator currents drawn by a squirrel cage motor

The aim of this work is to provide an alternative that could replace the conventional technique based on the spectral analysis of the line current to detect an unbalance state due to a weak amplitude drop affecting one of the three-phase currents drawn by a squirrel cage motor. From a theoretical investigation, it has been stated that the spectral analysis of the emf induced at the terminals of a simple search coil placed close to the motor frame may be of interest for diagnosis purpose. The experimental results have revealed that this suggested sensory signal provides an excellent fault indicator regardless of the load level.

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来源期刊

2014 15th International Conference on Sciences and Techniques of Automatic Control and Computer Engineering (STA)

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