| 逆变器驱动电机系统环路型电机轴承电流的研究 |
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| 引用本文： | 幸善成,吴正国.逆变器驱动电机系统环路型电机轴承电流的研究[J].海军工程大学学报,2006,18(2):64-68. |
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| 作者姓名： | 幸善成 吴正国 |
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| 作者单位： | 海军工程大学,电气与信息工程学院,湖北,武汉,430033 |
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| 基金项目： | 海军工程大学校科研和教改项目 |
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| 摘 要： | 论述了正弦波驱动电机系统中的经典型的轴承电流,讨论了逆变器驱动电机系统中的高频磁通产生的轴承电流,分析了环路型轴承电流产生的机理,并且在实验的基础上,得出了环路型轴承电流与共模耦合电流之间的关系,丰富和完善了电机轴承电流的研究内容.
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| 关 键 词： | PWM脉冲 环路型轴承电流 共模电流 |
| 文章编号： | 1009-3486(2006)02-0064-05 |
| 修稿时间： | 2005年9月26日 |
Circulating type motor bearing current in PWM inverter drives |
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| XING Shan-cheng,WU Zheng-guo.Circulating type motor bearing current in PWM inverter drives[J].Journal of Naval University of Engineering,2006,18(2):64-68. |
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| Authors: | XING Shan-cheng WU Zheng-guo |
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| Abstract: | The classical circulating bearing current is first reviewed to help understand how a flux lin-(kage) can induce bearing currents.Thecirculating bearing current generated by a high frequency flux in the inverter driving motor is discussed.This paper makes a theoretical analysis of the generation mechanisms of circulating bearing current;and describes the experimental findings,and states why the circulating bearingcurrent should be related to a flux linkage produced by the common mode(coupling) current,and explains the relationship between the common mode coupling current and the circulating bearing current in inductionmotors. |
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| Keywords: | PWMpulse circulating bearing current common mode current |
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