大功率双三电平变频调速系统共模电磁干扰研究

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摘要以大功率双三电平变频调速系统为对象,研究各部分的高频模型和具体的共模传导干扰路径。首先分别建立共模干扰源数学模型、直流母线高频模型、电缆高频模型以及异步电动机高频模型,并对调速系统共模传导干扰路径进行详细分析;然后使用Matlab对变频调速系统的高频模型进行仿真,并利用工程中心的实验平台完成相关测试实验,仿真和实验验证了理论分析和模型的正确性;最后设计了一种EMI滤波器,使得干扰得到明显降低。

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	曹海洋
	姜子健
	沈建辉
	李宝峰

关键词 ：双三电平, 共模干扰, 双重傅里叶, 高频模型

Abstract：The high-frequency model of the various parts and the specific common mode conducted interference transmission path of the high power three-level dual frequency control system are studied.First the high-frequency models of common mode interference sources,DC busbars,cables,and induction motor are established respectively and the common mode conducted interference transmission path is analyzed in detail.Then Matlab is used to simulate the high-frequency model of the frequency control system,and the experimental platform within the engineering center is used to complete the relevant test.The correctness of the theoretical analysis and the models is verified by the results of the simulation and experiment.Finally a filter is designed to significantly suppress the interference.

Key words： Dual three-level common mode interference double Fourier high-frequency model

收稿日期: 2015-01-23 出版日期: 2016-03-16

PACS:	TM461
	TN03

基金资助:国家自然科学基金(51307174)和中国矿业大学专项基金(JC126168)资助。

通讯作者: 姜子健,男,1988年生,硕士研究生,研究方向为电力电子及电力传动、电磁兼容。E-mail:386916023@qq.com E-mail: hycao1018@126.com

作者简介: 曹海洋男,1976年生,讲师,研究方向为电力电子及电力传动、电磁兼容。

引用本文:

曹海洋，姜子健，沈建辉，李宝峰. 大功率双三电平变频调速系统共模电磁干扰研究[J]. 电工技术学报, 2016, 31(5): 17-25. Cao Haiyang,Jiang Zijian,Shen Jianhui,Li Baofeng. Research on the Common Mode EMI of High Power Dual Three-Level Frequency Control Systems. Transactions of China Electrotechnical Society, 2016, 31(5): 17-25.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2016/V31/I5/17

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