| 开关电源有源共模EMI滤波器研究及其应用 |
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| 引用本文： | 舒艳萍,陈为,毛行奎. 开关电源有源共模EMI滤波器研究及其应用[J]. 电力电子技术, 2007, 41(6): 10-12 |
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| 作者姓名： | 舒艳萍 陈为 毛行奎 |
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| 作者单位： | 福州大学,福建,福州,350002;福州大学,福建,福州,350002;福州大学,福建,福州,350002 |
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| 摘 要： | 由于开关电源的高功率密度、高开关工作频率和紧凑结构,因此对其电磁兼容提出了更高的要求.分析了传统无源电磁干扰(Electromagnetic Interference,简称EMI)滤波器的缺点,提出有源共模滤波器的设计思想,并分析了其工作原理.以一台反激式开关电源为研究对象,具体设计出其有源共模滤波器.最后通过电路仿真和实验,验证了该方案的有效性和可行性.
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| 关 键 词： | 滤波器 电磁兼容性/开关电源 |
| 文章编号： | 1000-100X（2007）06-0010-03 |
| 修稿时间： | 2006-12-29 |
Research and Application of an Active Common-mode EMI Filter for Switch-mode Power Supply |
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| SHU Yan-ping,CHEN Wei,MAO Xing-kui. Research and Application of an Active Common-mode EMI Filter for Switch-mode Power Supply[J]. Power Electronics, 2007, 41(6): 10-12 |
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| Authors: | SHU Yan-ping CHEN Wei MAO Xing-kui |
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| Affiliation: | Fuzhou University, Fuzhou 350002, China |
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| Abstract: | High power density,high operation frequency and compact size requirements of switch-mode power supply(SMPS) introduce great challenge for its electromagnetic compatibility solution.This paper reviews the limits of passive EMI filters firstly,then proposes a new active common-mode filter(ACMF) for SMPS,and also designs an ACMF for flyback converter as an example.The simulation and experiment verified the proposed ACMF. |
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| Keywords: | filter electromagnetic compatibility/switch-mode power supply |
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