Article(id=1194640798588309792, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1194640796491162512, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20240049, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1762754161735, onlineDateStr=2025-11-10, pubDate=1743782400000, pubDateStr=2025-04-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762754161735, onlineIssueDateStr=2025-11-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762754161735, creator=13701087609, updateTime=1762754161735, updator=13701087609, issue=Issue{id=1194640796491162512, tenantId=1146029695717560320, journalId=1189645257101713411, year='2025', volume='', issue='4', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762754161236, creator=13701087609, updateTime=1762754161236, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=56, endPage=62, ext={EN=ArticleExt(id=1194640799552999718, articleId=1194640798588309792, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Prediction and Suppression of PTC Conducted Interference Noise in Electric Vehicles, columnId=1194640797204194193, journalTitle=Automotive Digest, columnName=Special Issue on Reviews of Frontiers in Automotive Technologies by Fujian University of Technology, runingTitle=null, highlight=null, articleAbstract=
Aiming at the Electromagnetic Interference (EMI) caused by DC/DC converter in switching power supply, the electromagnetic interference source of DC/DC converter is proposed and analyzed, and the EMI propagation path generated by the converter is constructed. The conducted interference under the influence of pure circuit and Printed Circuit Board (PCB) is compared and analyzed, and the measures of adding Π filter to suppress the electromagnetic interference of DC/DC converters are proposed, and the simulation of CST software is used to verify the suppression results. The results show that the suppression method proposed in this paper can effectively suppress the electromagnetic interference of switching power supply.
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针对开关电源DC/DC变换器工作时产生的强烈的电磁干扰(EMI),提出并分析了DC/DC变换器的电磁干扰源,构建了该变换器产生EMI的传播路径,对比分析了纯电路和有印刷电路板(PCB)影响下的传导干扰,提出了添加Π型滤波器抑制DC/DC变换器电磁干扰的措施,并应用CST软件建模仿真,对抑制结果进行验证,提出的抑制方法可有效抑制开关电源电磁干扰。
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纯电路传导干扰仿真, figureFileSmall=UfHx0iktLpplm+M2X3TPpQ==, figureFileBig=6x3CYyxENe+h6LurJSxjTg==, tableContent=null), ArticleFig(id=1194656150739194672, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=EN, label=null, caption=null, figureFileSmall=vOXqtFZ5nXocCeXE31JQHg==, figureFileBig=u374T+ARQgMfegDpSyqwaQ==, tableContent=null), ArticleFig(id=1194656150793720625, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=CN, label=图8, caption=
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有无PCB影响下传导干扰结果对比, figureFileSmall=SR/b0kNSXinI8k9c7rmOTQ==, figureFileBig=/B6EuBsNddoboVVyuWsOEA==, tableContent=null), ArticleFig(id=1194656151464809276, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=EN, label=null, caption=null, figureFileSmall=fyBkqCqmEa8RWqClVZB2Qg==, figureFileBig=c2uUqZ3hg0P5mjthybJCYg==, tableContent=null), ArticleFig(id=1194656151527723837, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=CN, label=图14, caption=
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加入滤波器后传导干扰结果对比图, figureFileSmall=lXPmKQIsfAFexiwtPhI6WQ==, figureFileBig=X898Dk78TScbsaUIgtxqpw==, tableContent=null), ArticleFig(id=1194656151762604864, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号类型 | 信号参数 |
| 激励波形 | 脉冲方波 |
| 激励源 | 电压源 |
| 初始电压Vinit/V | 0 |
| 脉冲电压Vpulse/V | 3 |
| 延迟时间Tdelay/μs | 0 |
| 上升时间Trise/μs | 0.1 |
| 下降时间Tfall/μs | 0.1 |
| 导通时间Thold/μs | 0.9 |
| 周期Ttotal/μs | 2.049 |
| 信号频率/kHz | 488 |
), ArticleFig(id=1194656151833908033, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194640798588309792, language=CN, label=表1, caption=
激励设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号类型 | 信号参数 |
| 激励波形 | 脉冲方波 |
| 激励源 | 电压源 |
| 初始电压Vinit/V | 0 |
| 脉冲电压Vpulse/V | 3 |
| 延迟时间Tdelay/μs | 0 |
| 上升时间Trise/μs | 0.1 |
| 下降时间Tfall/μs | 0.1 |
| 导通时间Thold/μs | 0.9 |
| 周期Ttotal/μs | 2.049 |
| 信号频率/kHz | 488 |
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