Article(id=1149729534364271222, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.02.019, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1711555200000, receivedDateStr=2024-03-28, revisedDate=1724774400000, revisedDateStr=2024-08-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046481934, onlineDateStr=2025-07-09, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046481934, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046481934, creator=13701087609, updateTime=1752046481934, updator=13701087609, issue=Issue{id=1149729524688007450, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='2', pageStart='1', pageEnd='177', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752046479627, creator=13701087609, updateTime=1753780095764, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000837835870332, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000837835870333, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=133, endPage=139, ext={EN=ArticleExt(id=1149729534553014910, articleId=1149729534364271222, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Thermal Modeling and Online Condition Monitoring for the Air Cooling System of Power Converters for Urban Rail Transit, columnId=1152669334582243706, journalTitle=Urban Rapid Rail Transit, columnName=Electrical and Mechanical Engineering, runingTitle=null, highlight=null, articleAbstract=
During longterm operation, the cooling system's heatsink intake can become clogged with environmental impurities and dust, reducing cooling airflow and affecting thermal dissipation efficiency. This can lead to overheating faults in the power converter, significantly reducing its operational reliability. To address the issue of dust blockage in the aircooled system, which can cause overheating faults in rail transit power converters, a realtime online monitoring method for the cooling system's thermal dissipation state is proposed. This method uses the thermal resistance of the heatsink, extracted from the power device and heatsink cooling curves, as a characteristic parameter. The GaussNewton iterative method is employed to extract these parameters, which are used to identify the degree of blockage and achieve online monitoring of the cooling system's thermal dissipation state. Simulation and experimental results validate that the proposed method effectively monitors the cooling system's operational state, demonstrating superior detection efficiency and effectiveness compared to traditional blockage detection methods.
, correspAuthors=Qian ZHOU, 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, authorCompany=null, fund=null, authors=null, authorsList=Qian ZHOU, Yanhui GUO, Yuan LIANG, Hao JIA, Jie CHEN), CN=ArticleExt(id=1149729560989713336, articleId=1149729534364271222, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=城轨变流器风冷系统散热状态在线监测方法, columnId=1152669334955536763, journalTitle=都市快轨交通, columnName=机电工程, runingTitle=null, highlight=null, articleAbstract=
冷却系统在长期的运行过程中,环境中的杂质和灰尘会堵塞在散热器进风口处,使得冷却空气减少,影响散热效率,易引起变流器过温故障,极大地降低了变流器的运行可靠性。为解决风冷系统易被灰尘堵塞进而导致城轨变流器发生过温故障问题,提出一种实时在线式冷却系统散热状态监测方法。该方法以功率器件与散热器冷却曲线中包含的散热器热阻为特征参数,利用高斯牛顿迭代法进行特征参数的提取,之后通过特征参数对堵塞程度进行辨识,实现冷却系统散热状态在线监测。通过仿真和实验对建立的在线监测方法进行验证,结果表明,提出的冷却系统在线状态监测方法能准确监测冷却系统运行状态,与传统的冷却系统堵塞检测手段相比,在检测效率上有明显的优势。
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1 Beijing Metro Operation Co., Ltd. Beijing 100044), AuthorCompanyExt(id=1154050937132933691, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, companyId=1154050937120350776, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 北京市地铁运营有限公司 北京 100044)]), AuthorCompany(id=1154050937208431166, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, xref=2, ext=[AuthorCompanyExt(id=1154050937212625471, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, companyId=1154050937208431166, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 School of Electrical Engineering Beijing Jiaotong University Beijing 100044), AuthorCompanyExt(id=1154050937221014080, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, companyId=1154050937208431166, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 北京交通大学 电气工程学院 北京 100044)])], figs=[ArticleFig(id=1154050942279344888, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 1, caption=
Online thermal state monitoring scheme for heatsink, figureFileSmall=cG1oNrBcoG98CkTZh6S2Cw==, figureFileBig=CzuJ+f6UCK4xoP1mh5cs/w==, tableContent=null), ArticleFig(id=1154050942338065147, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图1, caption=
散热器散热状态在线监测方案, figureFileSmall=cG1oNrBcoG98CkTZh6S2Cw==, figureFileBig=CzuJ+f6UCK4xoP1mh5cs/w==, tableContent=null), ArticleFig(id=1154050942417756928, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 2, caption=
Schematic structure of the heatsink, figureFileSmall=bEh+rR7GbzptluFk3bZ8Fg==, figureFileBig=y5j0hkjY94QTV8SqZlopHg==, tableContent=null), ArticleFig(id=1154050942472282884, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图2, caption=
散热器结构示意, figureFileSmall=bEh+rR7GbzptluFk3bZ8Fg==, figureFileBig=y5j0hkjY94QTV8SqZlopHg==, tableContent=null), ArticleFig(id=1154050942535197448, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 3, caption=
Transient thermal model for heatsink, figureFileSmall=G4hOozSMsOrE1TAyt9MB7A==, figureFileBig=4J7PqHn3v630UqKoJQCxTA==, tableContent=null), ArticleFig(id=1154050942614889229, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图3, caption=
散热器暂态热模型, figureFileSmall=G4hOozSMsOrE1TAyt9MB7A==, figureFileBig=4J7PqHn3v630UqKoJQCxTA==, tableContent=null), ArticleFig(id=1154050942690386704, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 4, caption=
Flowchart of Gauss-Newton iteration algorithm, figureFileSmall=0Xa3aU3Vf+F5W4a9XdJU0A==, figureFileBig=dyw1r2QFTQwjbg7CR9Tl7w==, tableContent=null), ArticleFig(id=1154050942744912658, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图4, caption=
高斯-牛顿迭代法流程, figureFileSmall=0Xa3aU3Vf+F5W4a9XdJU0A==, figureFileBig=dyw1r2QFTQwjbg7CR9Tl7w==, tableContent=null), ArticleFig(id=1154050942803632916, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 5, caption=
The experimental setup, figureFileSmall=1gozoJPtS1e8SAOUw1ZYiA==, figureFileBig=Md+gUd5QPuzbkMjemM+Mtg==, tableContent=null), ArticleFig(id=1154050942879130390, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图5, caption=
实验平台实物, figureFileSmall=1gozoJPtS1e8SAOUw1ZYiA==, figureFileBig=Md+gUd5QPuzbkMjemM+Mtg==, tableContent=null), ArticleFig(id=1154050942971405081, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 6, caption=
Single-phase full-bridge DC-AC inverter, figureFileSmall=fzOdtYwJ+nBBr8cgY5a0fA==, figureFileBig=Gnt7AkNWb3KZu/epnYBFUw==, tableContent=null), ArticleFig(id=1154050943025931036, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图6, caption=
单相全桥 dc-ac 逆变电路, figureFileSmall=fzOdtYwJ+nBBr8cgY5a0fA==, figureFileBig=Gnt7AkNWb3KZu/epnYBFUw==, tableContent=null), ArticleFig(id=1154050943084651295, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 7, caption=
Flowchart of power loss calculation function, figureFileSmall=JIYQaG2kr8iKamC/M9W2/A==, figureFileBig=KT/JfD1oIWckFLupW1OdTg==, tableContent=null), ArticleFig(id=1154050943168537378, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图7, caption=
功率损耗计算函数流程, figureFileSmall=JIYQaG2kr8iKamC/M9W2/A==, figureFileBig=KT/JfD1oIWckFLupW1OdTg==, tableContent=null), ArticleFig(id=1154050943252423462, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 8, caption=
Comparison of power loss results in PLECS, figureFileSmall=f884ThlhbhuFQy7B8/IITg==, figureFileBig=s3ijjQO3JvLJ0xeJHjibjA==, tableContent=null), ArticleFig(id=1154050943323726633, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图8, caption=
PLECS 功率损耗结果对比, figureFileSmall=f884ThlhbhuFQy7B8/IITg==, figureFileBig=s3ijjQO3JvLJ0xeJHjibjA==, tableContent=null), ArticleFig(id=1154050943378252587, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 9, caption=
Online identification results of heatsink inlet blockage degree, figureFileSmall=3OZjRTtkKjIqe8gPbt2RqA==, figureFileBig=IdsLjpW/QNRSH5jDhTxyww==, tableContent=null), ArticleFig(id=1154050943432778543, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图9, caption=
散热器进风口堵塞程度在线识别结果, figureFileSmall=3OZjRTtkKjIqe8gPbt2RqA==, figureFileBig=IdsLjpW/QNRSH5jDhTxyww==, tableContent=null), ArticleFig(id=1154050943512470320, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Figure 10, caption=
Online identification results of heatsink inlet blockage degree, figureFileSmall=NZLxZ60E5pl4LFyxbpQLUA==, figureFileBig=HXEF/iQgYnN2fOICSsR7Xw==, tableContent=null), ArticleFig(id=1154050943571190578, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=图10, caption=
散热器进风口堵塞程度在线识别结果, figureFileSmall=NZLxZ60E5pl4LFyxbpQLUA==, figureFileBig=HXEF/iQgYnN2fOICSsR7Xw==, tableContent=null), ArticleFig(id=1154050943659270964, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Table 1, caption=
Main parameters of single-phase full-bridge DC-AC converter, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 直流侧电压 ${V}_{\mathrm{{dc}}}/\mathrm{V}$ | 350 |
| 基频频率 ${f}_{0}/\mathrm{{Hz}}$ | 50 |
| PWM 频率 ${f}_{\mathrm{{sw}}}/\mathrm{{kHz}}$ | 5 |
| 负载电流有效值 ${I}_{\text{load }}/\mathrm{A}$ | 13 |
| 滤波电感 ${L}_{\mathrm{f}}/\mathrm{{mH}}$ | 1.6 |
| IGBT 型号 | F4 50R12KS4 |
| 微控制器(MCU) | TMS320F28377D |
), ArticleFig(id=1154050943906734905, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=表1, caption=
单相全桥 dc-ac 变流器主要参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 直流侧电压 ${V}_{\mathrm{{dc}}}/\mathrm{V}$ | 350 |
| 基频频率 ${f}_{0}/\mathrm{{Hz}}$ | 50 |
| PWM 频率 ${f}_{\mathrm{{sw}}}/\mathrm{{kHz}}$ | 5 |
| 负载电流有效值 ${I}_{\text{load }}/\mathrm{A}$ | 13 |
| 滤波电感 ${L}_{\mathrm{f}}/\mathrm{{mH}}$ | 1.6 |
| IGBT 型号 | F4 50R12KS4 |
| 微控制器(MCU) | TMS320F28377D |
), ArticleFig(id=1154050943986426680, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=EN, label=Table 2, caption=
Main structural parameters of heatsink, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 散热器基板长度 ${L}_{hs}/\mathrm{{mm}}$ | 100 |
| 散热器基板宽度 ${W}_{hs}$ /mm | 120 |
| 散热翅片高度 ${H}_{\text{fin}}/\mathrm{{mm}}$ | 50 |
| 散热基板高度 ${H}_{bp}$ /mm | 5 |
| 散热翅片宽度 ${W}_{\text{fin }}/\mathrm{{mm}}$ | 1.875 |
| 风道宽度 ${W}_{ch}/\mathrm{{mm}}$ | 6 |
| 翅片数量 ${N}_{\text{fin }}$ /个 | 16 |
), ArticleFig(id=1154050944061924154, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729534364271222, language=CN, label=表2, caption=
散热器主要结构参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 散热器基板长度 ${L}_{hs}/\mathrm{{mm}}$ | 100 |
| 散热器基板宽度 ${W}_{hs}$ /mm | 120 |
| 散热翅片高度 ${H}_{\text{fin}}/\mathrm{{mm}}$ | 50 |
| 散热基板高度 ${H}_{bp}$ /mm | 5 |
| 散热翅片宽度 ${W}_{\text{fin }}/\mathrm{{mm}}$ | 1.875 |
| 风道宽度 ${W}_{ch}/\mathrm{{mm}}$ | 6 |
| 翅片数量 ${N}_{\text{fin }}$ /个 | 16 |
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