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author:

杨唯俊 (杨唯俊.) [1] | 董纪清 (董纪清.) [2]

Abstract:

分析了反激变换器共模(common mode,CM)噪声的特点,并基于屏蔽法与平衡法原理,提出了屏蔽-对消法,在变压器中加入屏蔽-对消绕组层,与原边CM噪声互相抵消的同时,也屏蔽了变压器副边至原边的噪声耦合路径,抑制了变压器内部CM噪声的传导.建立了反激变换器CM噪声传导路径模型,通过实验对比了无屏蔽层、采用全屏蔽铜箔与使用了屏蔽-对消绕组三种变压器结构样机的CM噪声,实验结果验证了屏蔽-对消绕组在反激变换器中抑制CM噪声的有效性.

Keyword:

共模噪声抵消 反激变换器 屏蔽-对消绕组 电磁干扰

Community:

  • [ 1 ] [杨唯俊]福州大学
  • [ 2 ] [董纪清]福州大学

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Source :

电气开关

ISSN: 1004-289X

Year: 2024

Issue: 2

Volume: 62

Page: 48-53,58

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: 7

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