A General Analytical Model of Single-Layer Common-Mode Chokes

Qiao Li, Biyan Xie, Yechi Zhang, Jun Ma, Chao Yuan

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

To accurately model common-mode (CM) chokes is crucial for ensuring the design and optimization of EMI filters. This letter identifies the limitations of the commonly employed analytical model, which results in significant margin errors when applied to CM chokes. It proposes a comprehensive and more precise analytical model that addresses these errors by considering the influence of time-varying electromagnetic fields and the geometric characteristics of CM chokes. Furthermore, this letter provides a detailed explanation of the physical significance behind the proposed model. Both methods are compared, and the suggested approach is validated through simulations and experiments in four distinct scenarios.
Original languageEnglish
Pages (from-to)6591-6596
Number of pages6
JournalIEEE Transactions on Power Electronics
Volume39
Issue number6
Early online date1 Mar 2024
DOIs
Publication statusPublished - 1 Jun 2024

Bibliographical note

10.13039/501100001809-National Natural Science Foundation of China (Grant Number: 52107189).

Publisher Copyright:
© 1986-2012 IEEE.

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