Article(id=1286676595863695572, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1286676566465819629, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20260305, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1753977600000, receivedDateStr=2025-08-01, revisedDate=1776787200000, revisedDateStr=2026-04-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1784697205748, onlineDateStr=2026-07-22, pubDate=1782316800000, pubDateStr=2026-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1784697205748, onlineIssueDateStr=2026-07-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1784697205748, creator=13041195026, updateTime=1784697205748, updator=13041195026, issue=Issue{id=1286676566465819629, tenantId=1146029695717560320, journalId=1146119989267898375, year='2026', volume='', issue='3', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='1782316800000', pubDateStr='2026-06-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1784697198739, creator='13041195026', updateTime=1784702152269, updator='13041195026', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1286697343156204129, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1286676566465819629, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1286697343156204130, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1286676566465819629, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=31, endPage=38, ext={EN=ArticleExt(id=1286676596069216469, articleId=1286676595863695572, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Study on Modeling of Core Loss in Magnetic Components for Power Converters Under PWM Excitation, columnId=1154057567841014343, journalTitle=Missiles and Space Vehicles, columnName=Guidance, Navigation and Control, runingTitle=null, highlight=null, articleAbstract=
High-accuracy core loss models are an essential foundation for loss evaluation and efficiency optimization in servo power converters. A PWM excitation core loss model is proposed based on the DC power method to address the issue of large errors in core loss evaluation under PWM excitation using the Modified Steinmetz Equation (MSE) in traditional methods. This method directly establishes a loss model based on the measurement results of magnetic core loss under PWM excitation obtained by the DC power method, which can avoid the errors introduced by the MSE model in the waveform equivalent transformation stage and has better model accuracy. The experimental results show that the maximum relative error of the proposed model for loss evaluation under different excitation waveforms, frequencies, duty cycles, peak AC magnetic flux densities, and temperatures is -5.029%. The average absolute value of the relative error is only 1.72%, much lower than the model error of MSE (maximum relative error: 87.663%, average absolute value of relative error: 38.04%). It verifies the accuracy of the PWM excitation core loss model proposed under a wide range of operating conditions and can provide a high-precision calculation model for loss evaluation of power converter magnetic components under PWM excitation.
, authors=Lei YANG
1, 2, Yuping HUANG
1, 2, Xixian GUO
3, Qingbin CHEN
3, authorsList=Lei YANG, Yuping HUANG, Xixian GUO, Qingbin CHEN, authorCompany=null, correspAuthors=null, 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=1286676603488940278, articleId=1286676595863695572, tenantId=1146029695717560320, journalId=1146119989267898375, language=CN, title=功率变换器磁性元件PWM波励磁磁心损耗建模研究, columnId=1154057567975232072, journalTitle=导弹与航天运载技术(中英文), columnName=导航、制导与控制, runingTitle=null, highlight=null, articleAbstract=
高精度的磁心损耗模型是伺服电源功率变换器损耗评估和效率优化的重要基础。针对修正的Steinmetz模型(Modified Steinmetz Equation,MSE)评估PWM波励磁磁心损耗误差较大的问题,提出了基于直流功率法的PWM波励磁磁心损耗建模方法。该方法以直流功率法获得的PWM波励磁磁心损耗测量结果直接建立损耗模型,避免了MSE模型在波形等效变换环节引入的误差,具有更好的模型精度。结果表明,在不同激励波形、不同频率、不同占空比、不同交流磁通密度峰值和不同温度下所提出模型损耗评估的最大相对误差为-5.029%,相对误差绝对值的平均值仅1.72%,远低于MSE的模型误差(最大相对误差:87.663%,相对误差绝对值的平均值:38.04%),验证了PWM波励磁磁心损耗模型在宽范围工况下的准确性,为功率变换器磁性元件PWM波励磁损耗评估提供了高精度的计算模型。
, authors=杨磊
1, 2, 黄玉平
1, 2, 郭希贤
3, 陈庆彬
3, authorsList=杨磊, 黄玉平, 郭希贤, 陈庆彬, authorCompany=null, correspAuthors=null, authorNote=
杨磊(1982—),男,博士,高级工程师,主要研究方向为伺服电源技术。
黄玉平(1967—),男,研究员,主要研究方向为伺服系统设计。
郭希贤(1999—),男,硕士研究生,主要研究方向为功率变换器的磁心损耗测量与建模。
陈庆彬(1985—),男,博士,教授,博士生导师,主要研究方向为电力电子高频磁技术、无线电能传输技术和电磁兼容诊断与抑制。
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Test principle diagram of AC power meter method, figureFileSmall=c959acB1eJ1eK5JBY6a3Vg==, figureFileBig=Z4YwFeWVEgu60CXMU7eVtw==, tableContent=null), ArticleFig(id=1286676607389643041, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图1, caption=
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Power loss error percentage caused by phase error at different impedance angles, figureFileSmall=SFu2wnRpZvLT0rlYgQPCag==, figureFileBig=mpsknDt2Jy7vQ/QgRbUAOQ==, tableContent=null), ArticleFig(id=1286676607704215843, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图2, caption=
不同阻抗角下相位误差引起的损耗误差百分比, figureFileSmall=SFu2wnRpZvLT0rlYgQPCag==, figureFileBig=mpsknDt2Jy7vQ/QgRbUAOQ==, tableContent=null), ArticleFig(id=1286676607771324708, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.3, caption=
Test principle diagram of DC power method, figureFileSmall=VfOV13nA40u8fl1Bt0USYA==, figureFileBig=eGG919v5XEPTgJvnoeQJxA==, tableContent=null), ArticleFig(id=1286676607846822181, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图3, caption=
直流功率法测量原理, figureFileSmall=VfOV13nA40u8fl1Bt0USYA==, figureFileBig=eGG919v5XEPTgJvnoeQJxA==, tableContent=null), ArticleFig(id=1286676607905542438, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.4, caption=
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不对称PWM激励波形及其磁感应强度变化规律, figureFileSmall=4uB2SEqSlmir+CgSssc1SQ==, figureFileBig=7qrmc+3dGupg/7OtDIcCjg==, tableContent=null), ArticleFig(id=1286676608052343080, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.5, caption=
Symmetric PWM excitation waveform and its magnetic flux density variation, figureFileSmall=h3qxRIpoSzEya7d9c/tYwQ==, figureFileBig=d9TlB7OLKSvY71S8SIru4g==, tableContent=null), ArticleFig(id=1286676608123646249, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图5, caption=
对称PWM激励波形及其磁感应强度变化规律, figureFileSmall=h3qxRIpoSzEya7d9c/tYwQ==, figureFileBig=d9TlB7OLKSvY71S8SIru4g==, tableContent=null), ArticleFig(id=1286676608178172202, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.6, caption=
Block diagram of the core loss measurement system, figureFileSmall=1NdXiwu6QBJmT3vd/Sn5bQ==, figureFileBig=3ADAUvKS1qnXvEw1sLNuRw==, tableContent=null), ArticleFig(id=1286676608249475371, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图6, caption=
磁心损耗测量系统框图, figureFileSmall=1NdXiwu6QBJmT3vd/Sn5bQ==, figureFileBig=3ADAUvKS1qnXvEw1sLNuRw==, tableContent=null), ArticleFig(id=1286676608312389932, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.7, caption=
Core loss measurement platform under PWM excitation based on DC power method, figureFileSmall=isYiIQftd9SMBLLFgAiftw==, figureFileBig=WW9UUIV6rv56m5u+sVPtAA==, tableContent=null), ArticleFig(id=1286676608379498797, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图7, caption=
基于直流功率法的PWM波励磁磁心损耗测量平台, figureFileSmall=isYiIQftd9SMBLLFgAiftw==, figureFileBig=WW9UUIV6rv56m5u+sVPtAA==, tableContent=null), ArticleFig(id=1286676608471773486, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.8, caption=
PWM excitation voltage and current waveforms of the tested magnetic component, figureFileSmall=sLYTgiArsg0pb18QpgbOxw==, figureFileBig=GPVapHkrTf4TyIdXUEutKw==, tableContent=null), ArticleFig(id=1286676608538882351, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图8, caption=
被测磁件的PWM激励电压、电流波形, figureFileSmall=sLYTgiArsg0pb18QpgbOxw==, figureFileBig=GPVapHkrTf4TyIdXUEutKw==, tableContent=null), ArticleFig(id=1286676608626962736, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.9, caption=
Relative error of core loss model with duty cycle under different conditions with symmetric PWM excitation, figureFileSmall=nMw61D/XHLHHKi5K0qpGvw==, figureFileBig=79eGKBgQfKWEHphi+fMTjg==, tableContent=null), ArticleFig(id=1286676608694071601, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图9, caption=
对称PWM波激励下不同工况下随占空比变化磁心损耗模型相对误差, figureFileSmall=nMw61D/XHLHHKi5K0qpGvw==, figureFileBig=79eGKBgQfKWEHphi+fMTjg==, tableContent=null), ArticleFig(id=1286676608756986162, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.10, caption=
Relative error of core loss model with frequency under different conditions with symmetric PWM excitation, figureFileSmall=nKgTlr9ewsNMi9p5670tiw==, figureFileBig=ytHyiz/PuMYgfhoMXfBitw==, tableContent=null), ArticleFig(id=1286676608836677939, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图10, caption=
对称PWM波激励下不同工况下随频率变化磁心损耗模型相对误差, figureFileSmall=nKgTlr9ewsNMi9p5670tiw==, figureFileBig=ytHyiz/PuMYgfhoMXfBitw==, tableContent=null), ArticleFig(id=1286676608907981108, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.11, caption=
Relative error of core loss model with duty cycle under different conditions with asymmetric PWM excitation, figureFileSmall=hH0/NTB6xJ0wCGRbVplLNg==, figureFileBig=pm8Ube8Lex8yXkZvb8fQfg==, tableContent=null), ArticleFig(id=1286676608987672885, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图11, caption=
不对称PWM波激励下不同工况下随占空比变化磁心损耗模型相对误差, figureFileSmall=hH0/NTB6xJ0wCGRbVplLNg==, figureFileBig=pm8Ube8Lex8yXkZvb8fQfg==, tableContent=null), ArticleFig(id=1286676609054781750, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.12, caption=
Relative error of core loss model with frequency under different conditions with asymmetric PWM excitation, figureFileSmall=EOIHVr4nlbvoNrEysnHqQw==, figureFileBig=danDk5gDPRev7EuNnDABhg==, tableContent=null), ArticleFig(id=1286676609113502007, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图12, caption=
不对称PWM波激励下不同工况下随频率变化磁心损耗模型相对误差, figureFileSmall=EOIHVr4nlbvoNrEysnHqQw==, figureFileBig=danDk5gDPRev7EuNnDABhg==, tableContent=null), ArticleFig(id=1286676609188999480, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.13, caption=
Comparison of relative errors between MSE model and this study's model with duty cycle under symmetric PWM excitation, figureFileSmall=PCji1Gq7s++xKkeUgOVjZA==, figureFileBig=bDTmlDsYtyDlXJx96O0oBg==, tableContent=null), ArticleFig(id=1286676609256108345, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图13, caption=
对称PWM波激励下随占空比变化MSE模型和本文模型相对误差对比, figureFileSmall=PCji1Gq7s++xKkeUgOVjZA==, figureFileBig=bDTmlDsYtyDlXJx96O0oBg==, tableContent=null), ArticleFig(id=1286676609348383034, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.14, caption=
Comparison of relative errors between MSE model and this study's model with frequency under symmetric PWM excitation, figureFileSmall=maFamEkbE3GoNWKs0dey6w==, figureFileBig=59u7CPLVoaZZT4N//m6zcA==, tableContent=null), ArticleFig(id=1286676609398714683, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图14, caption=
对称PWM波激励下随频率变化MSE模型和本文模型相对误差对比, figureFileSmall=maFamEkbE3GoNWKs0dey6w==, figureFileBig=59u7CPLVoaZZT4N//m6zcA==, tableContent=null), ArticleFig(id=1286676609474212156, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.15, caption=
Comparison of relative errors between MSE model and this study's model with duty cycle under asymmetric PWM excitation, figureFileSmall=riOb340w5OhIexYIb392uw==, figureFileBig=e1MpvOjKaz4Pihr9q5RdkQ==, tableContent=null), ArticleFig(id=1286676609537126717, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图15, caption=
不对称PWM波激励下随占空比变化MSE模型和本文模型相对误差对比, figureFileSmall=riOb340w5OhIexYIb392uw==, figureFileBig=e1MpvOjKaz4Pihr9q5RdkQ==, tableContent=null), ArticleFig(id=1286676609604235582, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Fig.16, caption=
Comparison of relative errors between MSE model and this study's model with frequency under asymmetric PWM excitation, figureFileSmall=S4obwVyxvAH/iiZPQhq0Sg==, figureFileBig=KzK242eILbsWVGQ7bPJOoQ==, tableContent=null), ArticleFig(id=1286676609692315967, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=图16, caption=
不对称PWM波激励下随频率变化MSE模型和本文模型相对误差对比, figureFileSmall=S4obwVyxvAH/iiZPQhq0Sg==, figureFileBig=KzK242eILbsWVGQ7bPJOoQ==, tableContent=null), ArticleFig(id=1286676609755230528, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Tab.1, caption=
Core loss coefficients of DMR96A under 100 kHz symmetric PWM excitation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 占空比 | Cm2 | α2 | β2 | ct0 | ct1 | ct2 |
|---|
| 0.5 | 0.054 5 | 1.00 | 2.949 160 | 0.006 760 | 0 | 0.000 000 277 |
| 0.4 | 0.015 2 | 1.20 | 2.895 466 | 0.002 578 | 0 | 0.000 000 109 |
| 0.3 | 0.001 07 | 1.11 | 2.816 095 | 0.129 462 | 0 | 0.000 005 56 |
| 0.2 | 0.000 031 3 | 1.00 | 2.692 160 | 17.364 66 | 0 | 0.000 695 |
), ArticleFig(id=1286676611403592001, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=表1, caption=
100 kHz对称PWM波激励下DMR96A的磁心损耗系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 占空比 | Cm2 | α2 | β2 | ct0 | ct1 | ct2 |
|---|
| 0.5 | 0.054 5 | 1.00 | 2.949 160 | 0.006 760 | 0 | 0.000 000 277 |
| 0.4 | 0.015 2 | 1.20 | 2.895 466 | 0.002 578 | 0 | 0.000 000 109 |
| 0.3 | 0.001 07 | 1.11 | 2.816 095 | 0.129 462 | 0 | 0.000 005 56 |
| 0.2 | 0.000 031 3 | 1.00 | 2.692 160 | 17.364 66 | 0 | 0.000 695 |
), ArticleFig(id=1286676611470700866, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Tab.2, caption=
Core loss coefficients of DMR96A under 100 kHz asymmetric PWM excitation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 占空比 | Cm2 | α2 | β2 | ct0 | ct1 | ct2 |
|---|
| 0.5 | 0.000 004 02 | 1.286 68 | 2.917 25 | 3.406 70 | 0 | 0.000 144 |
| 0.4 | 0.000 007 02 | 1.165 88 | 2.912 43 | 7.642 65 | 0 | 0.000 345 |
| 0.3 | 0.003 54 | 1.077 27 | 2.892 32 | 0.043 10 | 0 | 0.000 001 96 |
| 0.2 | 0.000 506 | 1.220 64 | 2.854 09 | 0.062 25 | 0 | 0.000 002 71 |
), ArticleFig(id=1286676611537809731, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=表2, caption=
100 kHz不对称PWM波激励下DMR96A的磁心损耗系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 占空比 | Cm2 | α2 | β2 | ct0 | ct1 | ct2 |
|---|
| 0.5 | 0.000 004 02 | 1.286 68 | 2.917 25 | 3.406 70 | 0 | 0.000 144 |
| 0.4 | 0.000 007 02 | 1.165 88 | 2.912 43 | 7.642 65 | 0 | 0.000 345 |
| 0.3 | 0.003 54 | 1.077 27 | 2.892 32 | 0.043 10 | 0 | 0.000 001 96 |
| 0.2 | 0.000 506 | 1.220 64 | 2.854 09 | 0.062 25 | 0 | 0.000 002 71 |
), ArticleFig(id=1286676611630084420, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=EN, label=Tab.3, caption=
MSE model loss coefficients of DMR96A magnetic material at different frequencies considering temperature effects
, figureFileSmall=null, figureFileBig=null, tableContent=
| 频率/kHz | k | α | β | ct0 | ct1 | ct2 |
|---|
| 50 | 0.000 946 1 | 1.477 | 2.756 | 1.281 | 0.028 | 0.000 252 1 |
| 100 | 0.000 058 22 | 1.599 | 2.124 | 1.491 | 0.034 | 0.000 286 1 |
| 200 | 0.000 000 005 363 | 2.421 | 2.628 | 1.385 | 0.028 | 0.000 240 9 |
), ArticleFig(id=1286676611701387589, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1286676595863695572, language=CN, label=表3, caption=
DMR96A 磁材不同频率考虑温度影响的MSE模型损耗系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 频率/kHz | k | α | β | ct0 | ct1 | ct2 |
|---|
| 50 | 0.000 946 1 | 1.477 | 2.756 | 1.281 | 0.028 | 0.000 252 1 |
| 100 | 0.000 058 22 | 1.599 | 2.124 | 1.491 | 0.034 | 0.000 286 1 |
| 200 | 0.000 000 005 363 | 2.421 | 2.628 | 1.385 | 0.028 | 0.000 240 9 |
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