三相感应电动机的上游阻抗诊断

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives Pub Date : 2007-12-04 DOI:10.1109/DEMPED.2007.4393129

J. Bockstette, E. Stolz, E. Wiedenbrug

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引用次数: 22

摘要

本文提出了一种通过分析三相异步电动机的跨线启动电流和电压时间波形来诊断其上游阻抗的简便方法。热成像是目前唯一能够检测上游接触电阻问题的工业方法，但它需要视线到问题的位置。所提出的方法没有这个缺点。在实验室实施中，所提出的方法超过了muomega -meter用于诊断工业环境中下坡接触电阻问题的电阻不平衡阈值设置的准确性。

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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Upstream Impedance Diagnostic for Three-Phase Induction Motors

This paper presents a simple method of diagnosing the upstream impedance of a three-phase induction motor by analyzing the across-the-line startup current and voltage time-waveforms. Thermography is currently the only industrial method capable of detecting upstream contact resistance problems, but it requires line of sight to the location of the problem. The proposed method does not have this drawback. The accuracy of the resistive unbalance threshold settings used with muOmega-meters to diagnose downhill contact resistance issues in industrial settings was exceeded with the proposed methods in a laboratory implementation.

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来源期刊

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives

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