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author:

万芳燕 (万芳燕.) [1] | 董纪清 (董纪清.) [2]

Indexed by:

PKU CSCD

Abstract:

文中提出一种新型的变压器共模(common mode,CM)噪声抑制技术,通过在绕线式变压器中外加一层屏蔽–对消绕组,不仅能够屏蔽一侧的CM噪声,同时能够与另一侧的CM噪声实现对消,抑制流经变压器通路的总CM噪声。文中结合LLC变换器CM噪声的特点给出屏蔽–对消绕组设计原理及计算过程,测试并对比无屏蔽层、采用全屏蔽铜箔及加入屏蔽–对消绕组3种变压器结构下的CM噪声。实验结果表明,屏蔽–对消绕组的CM噪声抑制效果在三者中最优,验证了屏蔽–对消绕组抑制CM噪声的有效性。

Keyword:

LLC变换器 共模噪声 屏蔽–对消绕组 电磁干扰

Community:

  • [ 1 ] 福州大学电气工程与自动化学院

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Source :

中国电机工程学报

Year: 2022

Issue: 21

Volume: 42

Page: 7956-7965

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: 9

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