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author:

许远 (许远.) [1] | 董纪清 (董纪清.) [2]

Indexed by:

CQVIP

Abstract:

对反激式变换器的原、副边共模传导EMI噪声特点进行了分析,总结了共模传导噪声模型并详细介绍了干扰源、传输通道对共模传导噪声的影响。建模分析了变压器绕组分布电容与共模传导等效电容之间的关系,针对原、副边共模噪声的特点,提出通过调整变压器绕组层间距离来控制共模传导路径阻抗特性的新方法,实现原、副边共模电流的抵消,从而更好地抑制共模传导噪声。并以一台40W的反激式电源为实验平台,用实验方法验证了该方案的可行性。

Keyword:

共模传导EMI 反激变换器 绕组层间距离

Community:

  • [ 1 ] 福州大学电气工程与自动化学院,福州350108

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Source :

电源学报

ISSN: 2095-2805

Year: 2012

Issue: 1

Page: 37-40

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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