| 浅谈变频器与长电缆相连时电动机的失效现象 |
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| 引用本文： | 冯志华,杨永强,陈慧,刘志刚.浅谈变频器与长电缆相连时电动机的失效现象[J].电气应用,2002(11):33-35. |
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| 作者姓名： | 冯志华 杨永强 陈慧 刘志刚 |
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| 作者单位： | 1. 中国科技大学精密仪器系,230026
2. 华东交通大学机械学院,330013 |
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| 摘 要： | 在实际应用中 ,当电动机与PWM电压供电的变频器间电缆很长时 ,电动机侧会出现高压现象 ,而过高的终端电压会使电动机的绝缘失效。在对电动机失效现象的机理进行分析的同时 ,给出了几种防止电动机进一步失效的方法
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| 关 键 词： | 反射波现象 长电缆 变频器 |
| 修稿时间： | 2002年7月8日 |
Eliminating Motor Failures Due to Drives when Connected with Long Leads |
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| Feng Zhihua.Eliminating Motor Failures Due to Drives when Connected with Long Leads[J].Electrotechnical Application,2002(11):33-35. |
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| Authors: | Feng Zhihua |
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| Affiliation: | University of science & technology of China |
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| Abstract: | Motors controlled by VFD's installed some distance away often fail due to high voltage induced insulation breakdown.This paper will offer a concise analysis of this phenomenon.It will also recom mend some practical solutions for correcting existing problems and for protecting against future failure. |
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| Keywords: | variable frequency drive long lead reflected wave phenomenon |
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