| PWM变频驱动系统共模干扰研究 |
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| 引用本文： | 王坤,李玉生,王志刚.PWM变频驱动系统共模干扰研究[J].电机与控制应用,2012,39(2):38-41,48. |
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| 作者姓名： | 王坤 李玉生 王志刚 |
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| 作者单位： | 海军驻大连426厂军事代表室,辽宁大连,116005 |
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| 摘 要： | 为较好地抑制PWM变频驱动系统电磁干扰,必须准确掌握系统电磁干扰性质、分布规律及主要影响因数。因此,先利用传导干扰分离网络对PWM变频驱动系统的共模干扰进行测试,通过对比分析不同工况下的测试结果,得出了共模干扰在电网侧与负载侧的分布规律。对共模干扰模型进行分析、改进,最后通过理论分析计算,得出了系统共模干扰的抑制措施,为EMI设计提供了一定的理论指导。
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| 关 键 词： | 共模干扰 干扰模型 电磁干扰 |
Research of Common Mode Interference in PWM Variable Frequency Drive System |
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| WANG Kun
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LI Yusheng
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WANG Zhigang.Research of Common Mode Interference in PWM Variable Frequency Drive System[J].Electric Machines & Control Application,2012,39(2):38-41,48. |
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| Authors: | WANG Kun LI Yusheng WANG Zhigang |
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| Affiliation: | (Military Representation Bureaux in Dalian 426 Factory,Dalian 116005,China) |
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| Abstract: | The common mode(CM) interference of PWM inverter systemto become more serious everyday.Therefore,used separation network to meter the common mode for PWM inverter system.Through the comparison result of different condition,we found regular distribution of common mode interference in power supply side and load side.Then improve the interference model,and theory analysis and calculation,at last obtain some choke measures to CM interference.It can provided theoretical guidance for EMI filter designed. |
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| Keywords: | common mode interference interference model electro-magnetic interference |
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