Article(id=1321485198085177439, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.4.350, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1719244800000, receivedDateStr=2024-06-25, revisedDate=1723132800000, revisedDateStr=2024-08-09, acceptedDate=1723478400000, acceptedDateStr=2024-08-13, onlineDate=1792996223231, onlineDateStr=2026-10-26, pubDate=1753804800000, pubDateStr=2025-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792996223231, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792996223231, creator=13701087609, updateTime=1792996223231, updator=13701087609, issue=Issue{id=1321485129009189764, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='4', pageStart='1', pageEnd='368', issueExtLink='null', onlineDate='null', pubDate='1753804800000', pubDateStr='2025-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792996206762, creator='13701087609', updateTime=1792996850840, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321487830518444549, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321487830518444550, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=350, endPage=359, ext={EN=ArticleExt(id=1321485198492024928, articleId=1321485198085177439, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Modeling of EMI Filter in Wide-band Frequency Range and Optimization of Filtering Characteristics, columnId=1152281499626778753, journalTitle=Journal of Power Supply, columnName=EMI/EMC, runingTitle=null, highlight=null, articleAbstract=

The electromagnetic interference (EMI) filter is an effective approach to suppressing EMI. However, due to the influence of high-frequency parasitic parameters, EMI filters are difficult to effectively suppress high-frequency EMI noises. In this paper, the characteristics of high-frequency parasitic parameters of EMI filter components including common-mode (CM) inductor and X capacitor are analyzed, and a high-frequency model exhibiting the wide-band impedance characteristics of filter components is established. Moreover, the influence of frequency-varying permeability of ferrite cores on the parasitic parameter cancellation effect is analyzed. The extraction method for the equivalent parallel capacitance of the CM inductor is investigated, the selection of CM inductor cancellation capacitance is optimized, and the wide-band noise filtering of the CM inductor is realized. The wide-band noise filtering characteristics of the whole EMI filter are predicted by finite element simulation. Combined with the simulation and experimental test of insertion loss, the effectiveness of the proposed EMI filter frequency-domain modeling method and the selection basis of CM inductor cancellation capacitance considering the frequency variation of permeability was verified.

, authors=Kaining FU1, 2, Zhenzhu LIAN1, Wei CHEN3, authorsList=Kaining FU, Zhenzhu LIAN, Wei CHEN, authorCompany=null, correspAuthors=Kaining FU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321485198722711650, articleId=1321485198085177439, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=EMI滤波器宽频段建模与滤波特性优化, columnId=1149830424375066632, journalTitle=电源学报, columnName=电磁干扰与电磁兼容, runingTitle=null, highlight=null, articleAbstract=

电磁干扰EMI(electromagnetic interference)滤波器是抑制电磁干扰的有效手段,受高频寄生参数的影响,EMI滤波器对较高频段范围内的电磁干扰难以有效抑制。分析EMI滤波元件(共模电感和X电容)的高频寄生参数特性,建立反映滤波元件宽频段阻抗特性的高频模型,进一步分析铁氧体磁芯的磁导率频变特性对寄生参数抵消效果的影响,分析共模电感等效并联电容的提取方法,优化共模电感抵消电容的选取,实现共模电感的宽频段噪声滤波。通过有限元仿真预测整个EMI滤波器的宽频段噪声滤波特性,结合插入损耗仿真与测试,验证所提EMI滤波器频域建模方法和所提考虑磁导率频变特性的共模电感抵消电容选取依据的有效性。

, authors=傅恺宁中国电源学会会员1, 2, 连振珠1, 陈为中国电源学会会士3, authorsList=傅恺宁中国电源学会会员, 连振珠, 陈为中国电源学会会士, authorCompany=null, correspAuthors=傅恺宁中国电源学会会员, authorNote=

连振珠(2000— ),女,硕士研究生。研究方向:EMI滤波器电磁特性。E-mail:。

陈为(1958— ),男,中国电源学会会士,博士,教授。研究方向:电力电子功率变换、高频磁技术、电磁兼容诊断与滤波器、电磁场分析与应用、电磁检测等。E-mail:。

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傅恺宁(1993— ),男,中国电源学会会员,通信作者,博士,讲师。研究方向:高频磁性元件电磁兼容与诊断。E-mail:。
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连振珠(2000— ),女,硕士研究生。研究方向:EMI滤波器电磁特性。E-mail:。

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陈为(1958— ),男,中国电源学会会士,博士,教授。研究方向:电力电子功率变换、高频磁技术、电磁兼容诊断与滤波器、电磁场分析与应用、电磁检测等。E-mail:。

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EMI滤波器宽频段建模与滤波特性优化
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傅恺宁中国电源学会会员 1, 2 , 连振珠 1 , 陈为中国电源学会会士 3
电源学报 | 电磁干扰与电磁兼容 2025,23(4): 350-359
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电源学报 |电磁干扰与电磁兼容 2025 , 23 (4) : 350 -359
EMI滤波器宽频段建模与滤波特性优化
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陈为(1958— ),男,中国电源学会会士,博士,教授。研究方向:电力电子功率变换、高频磁技术、电磁兼容诊断与滤波器、电磁场分析与应用、电磁检测等。E-mail:。

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傅恺宁中国电源学会会员1, 2 , 连振珠1 , 陈为中国电源学会会士3
作者信息
  • 1.厦门理工学院电气工程与自动化学院,厦门 361024
  • 2.厦门市高端电力装备及智能控制重点实验室,厦门 361024
  • 3.福州大学电气工程与自动化学院,福州 350108
通讯作者:
傅恺宁(1993— ),男,中国电源学会会员,通信作者,博士,讲师。研究方向:高频磁性元件电磁兼容与诊断。E-mail:。
作者简介:

连振珠(2000— ),女,硕士研究生。研究方向:EMI滤波器电磁特性。E-mail:。

陈为(1958— ),男,中国电源学会会士,博士,教授。研究方向:电力电子功率变换、高频磁技术、电磁兼容诊断与滤波器、电磁场分析与应用、电磁检测等。E-mail:。

Modeling of EMI Filter in Wide-band Frequency Range and Optimization of Filtering Characteristics
Kaining FU Member, CPSS1, 2 , Zhenzhu LIAN1 , Wei CHEN Fellow, CPSS3
Affiliations
  • 1.School of Electrical Engineering and Automation, Xiamen University of Technology, Xiamen 361024, China
  • 2.Xiamen Key Laboratory of High-end Power Equipment and Intelligent Control, Xiamen 361024, China
  • 3.College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China
出版时间: 2025-07-30 doi: 10.13234/j.issn.2095-2805.2025.4.350
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电磁干扰EMI(electromagnetic interference)滤波器是抑制电磁干扰的有效手段,受高频寄生参数的影响,EMI滤波器对较高频段范围内的电磁干扰难以有效抑制。分析EMI滤波元件(共模电感和X电容)的高频寄生参数特性,建立反映滤波元件宽频段阻抗特性的高频模型,进一步分析铁氧体磁芯的磁导率频变特性对寄生参数抵消效果的影响,分析共模电感等效并联电容的提取方法,优化共模电感抵消电容的选取,实现共模电感的宽频段噪声滤波。通过有限元仿真预测整个EMI滤波器的宽频段噪声滤波特性,结合插入损耗仿真与测试,验证所提EMI滤波器频域建模方法和所提考虑磁导率频变特性的共模电感抵消电容选取依据的有效性。

电磁干扰滤波器  /  寄生参数抵消  /  插入损耗  /  频域建模  /  磁芯高频特性

The electromagnetic interference (EMI) filter is an effective approach to suppressing EMI. However, due to the influence of high-frequency parasitic parameters, EMI filters are difficult to effectively suppress high-frequency EMI noises. In this paper, the characteristics of high-frequency parasitic parameters of EMI filter components including common-mode (CM) inductor and X capacitor are analyzed, and a high-frequency model exhibiting the wide-band impedance characteristics of filter components is established. Moreover, the influence of frequency-varying permeability of ferrite cores on the parasitic parameter cancellation effect is analyzed. The extraction method for the equivalent parallel capacitance of the CM inductor is investigated, the selection of CM inductor cancellation capacitance is optimized, and the wide-band noise filtering of the CM inductor is realized. The wide-band noise filtering characteristics of the whole EMI filter are predicted by finite element simulation. Combined with the simulation and experimental test of insertion loss, the effectiveness of the proposed EMI filter frequency-domain modeling method and the selection basis of CM inductor cancellation capacitance considering the frequency variation of permeability was verified.

Electromagnetic interference (EMI) filter  /  parasitic parameter cancellation  /  insertion loss  /  frequency-domain modeling  /  high-frequency characteristics of magnetic core
傅恺宁中国电源学会会员, 连振珠, 陈为中国电源学会会士. EMI滤波器宽频段建模与滤波特性优化. 电源学报, 2025 , 23 (4) : 350 -359 . DOI: 10.13234/j.issn.2095-2805.2025.4.350
Kaining FU, Zhenzhu LIAN, Wei CHEN. Modeling of EMI Filter in Wide-band Frequency Range and Optimization of Filtering Characteristics[J]. Journal of Power Supply, 2025 , 23 (4) : 350 -359 . DOI: 10.13234/j.issn.2095-2805.2025.4.350
  • 国家自然科学基金资助项目(51777036)
  • 厦门市自然科学基金资助项目(3502Z202372043)
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2025年第23卷第4期
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文章信息
doi: 10.13234/j.issn.2095-2805.2025.4.350
  • 接收时间:2024-06-25
  • 首发时间:2026-10-26
  • 出版时间:2025-07-30
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出版历史
  • 收稿日期:2024-06-25
  • 修回日期:2024-08-09
  • 录用日期:2024-08-13
基金
National Natural Science Foundation of China(51777036)
国家自然科学基金资助项目(51777036)
Natural Science Foundation of Xiamen, China(3502Z202372043)
厦门市自然科学基金资助项目(3502Z202372043)
作者信息
    1.厦门理工学院电气工程与自动化学院,厦门 361024
    2.厦门市高端电力装备及智能控制重点实验室,厦门 361024
    3.福州大学电气工程与自动化学院,福州 350108

通讯作者:

傅恺宁(1993— ),男,中国电源学会会员,通信作者,博士,讲师。研究方向:高频磁性元件电磁兼容与诊断。E-mail:。
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