| 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]. 海军工程学院学报, 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： | 海军工程大学科学研究基金资助项目（HGDJJ2004035） |
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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 |
| 收稿时间： | 2005-09-26 |
| 修稿时间： | 2005-10-10 |
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]. , 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 linkage can induce bearing currents. The circulating 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 bearing current 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 induction motors. |
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| Keywords: | PWM pulse circulating bearing current common mode current |
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