| 潜油电泵变频驱动负面问题的研究 |
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| 引用本文： | 马文忠,李岚. 潜油电泵变频驱动负面问题的研究[J]. 电工技术, 2005, 0(9): 39-41 |
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| 作者姓名： | 马文忠 李岚 |
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| 作者单位： | 中国石油大学,电气工程系,山东,东营,257062;中国石油大学(华东)石大科技集团 |
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| 摘 要： | 根据波的线路传输方程,分析了变频器PWM输出过高的du/dt带来的波反射过电压振荡问题及其对输电电缆和电机的影响.对变频输出共模电压及轴承电流的机理进行了研究,分析了其对潜油电泵轴承寿命的危害.通过设计低通滤波器解决上述问题,并通过现场应用实例验证了其有效性.
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| 关 键 词： | 潜油电泵 变频器 波反射 共模电压 |
| 收稿时间： | 2005-05-19 |
| 修稿时间： | 2005-05-19 |
Research on the Problems of the Electrical Submersible Pump Drived by Converter |
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| Ma Wenzhong,Li Lan. Research on the Problems of the Electrical Submersible Pump Drived by Converter[J]. Electric Engineering, 2005, 0(9): 39-41 |
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| Authors: | Ma Wenzhong Li Lan |
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| Abstract: | The electrical submersible pump ddved by converter is presented in this paper. There is high du/dt in the output waveform of the converter, and it causes reflected waveform which will damage the cable and motor. The common mode voltage and the bearing current is analyzed and the adverse effects to the bearing is studied. Then the methods to solve the problems are given, and the practicality of the proposed methods is validated by the experiment results. |
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| Keywords: | Electrical submersible pump Converter Reflected wave Common-mode voltage |
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