Article(id=1322622399258935496, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1322622385379983486, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20260293, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793267353119, onlineDateStr=2026-10-29, pubDate=1792771200000, pubDateStr=2026-10-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793267353119, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793267353119, creator=13701087609, updateTime=1793267353119, updator=13701087609, issue=Issue{id=1322622385379983486, tenantId=1146029695717560320, journalId=1189621681917173762, year='2026', volume='', issue='10', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='1792771200000', pubDateStr='2026-10-24', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793267349810, creator='13701087609', updateTime=1793268459387, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322627039367123647, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1322622385379983486, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322627039367123648, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1322622385379983486, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=46, endPage=53, ext={EN=ArticleExt(id=1322622399426707657, articleId=1322622399258935496, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Comparative Study on High-Frequency Noise of Permanent Magnet Motors for Vehicles Driven by Two-Level and Three-Level Inverters, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=

This paper presents a systematic comparative study on the high-frequency noise of permanent magnet motors driven by two-level and three-level inverters. First, the voltage harmonics under space vector pulse width modulation (SVPWM) are analyzed through theoretical derivation, identifying the dominant voltage harmonic components and their variation with the modulation index. Second, based on the frequency and phase sequence of current harmonics, the resulting radial forces of spatial order 0 and spatial order 2p are derived. Finally, simultaneous current and noise measurements are conducted on a test bench to compare the PWM current harmonics and sideband noise of the two inverter types over a wide speed range. The results indicate that for noise near the first carrier frequency, the three-level inverter does not provide advantages across the entire speed range. When the modulation index falls below 0.5, its noise performance is worse than that of the two-level inverter. For noise near the second carrier frequency, the three-level inverter consistently exhibits lower noise than the two-level inverter across all speed ranges.

, authors=Fu Lin, Yihui Chen, authorsList=Fu Lin, Yihui Chen, authorCompany=null, correspAuthors=Fu Lin, 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=1322622399695143114, articleId=1322622399258935496, tenantId=1146029695717560320, journalId=1189621681917173762, language=CN, title=两电平与三电平逆变器驱动下的车用永磁电机高频噪声对比研究, columnId=0, journalTitle=汽车技术, columnName=, runingTitle=null, highlight=null, articleAbstract=

针对两电平和三电平逆变器驱动下永磁电机的高频噪声问题，开展了系统性对比研究。首先，通过理论推导分析空间矢量脉宽调制下的电压谐波，明确主要电压谐波成分及其幅值随调制比的变化规律。其次，基于电流谐波的频率与相序，推导由此产生的空间0阶和空间2p阶径向力。最后，开展电流与噪声的同步台架试验，分析宽转速范围内两种逆变器驱动下脉宽调制（PWM）电流谐波及其边频带噪声的差异。研究结果表明：对于1倍载波频率附近的噪声，三电平逆变器并非在全转速范围内均具有优势，在调制比低于0.5的区域，其噪声表现劣于两电平逆变器；对于2倍载波频率附近的噪声，三电平逆变器在所有转速范围内的噪声均低于两电平逆变器。

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