Article(id=1149729527548527089, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.02.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1712592000000, receivedDateStr=2024-04-09, revisedDate=1719504000000, revisedDateStr=2024-06-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046480309, onlineDateStr=2025-07-09, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046480309, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046480309, creator=13701087609, updateTime=1752046480309, 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=61, endPage=67, ext={EN=ArticleExt(id=1149729527791796728, articleId=1149729527548527089, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Measurement and Analysis of the Distribution Ratio of Traction Return Current in Guangzhou 25 kV AC Standard Subway, columnId=1152669335454658940, journalTitle=Urban Rapid Rail Transit, columnName=Academic Discussion, runingTitle=null, highlight=null, articleAbstract=
Traction current return system is an important part of traction power supply system. System failures can damage primary and secondary equipment and potentially disrupt train operations. At present, there is limited research on realtime measurement of traction return current distribution for 25 kV AC power supply system subway. This study presents a synchronous testing methodology for measuring current in individual return cables to study return current distribution patterns and verify limitations in SCADA system monitoring. Based on return paths, the current is divided into three groups: station return, parking lot return, and ground return. The study analyzes the proportion and variation pattern of return current in different paths and compared findings with SCADA return current data. Results indicated that despite significant temporal fluctuations in return current magnitude, the distribution ratio remains stable most of the time, with only occasional variations. The average distribution ratios across different time periods vary by less than 1%. However, the SCADA system fails to accurately reflect return current changes. This research establishes return current distribution ratios through empirical testing, providing reference values for similar substations and directions for improving SCADA system monitoring capabilities.
, correspAuthors=Guoyang SANG, 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=Guoyang SANG, Li LIU, Shangsong YA, Lingxiao WANG, Xia CHEN, Xiaobin CAO), CN=ArticleExt(id=1149729548771705081, articleId=1149729527548527089, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=25 kV交流制式地铁牵引回流的分配比例实测分析, columnId=1152669335668568445, journalTitle=都市快轨交通, columnName=学术探讨, runingTitle=null, highlight=null, articleAbstract=
牵引回流系统是牵引供电系统的重要组成部分,回流不畅可能引起牵引供电系统一、二次设备损坏,影响列车的正常运行。目前暂未有对 25 kV 交流供电制式地铁的牵引回流分配进行实时测量的研究,为了研究 25 kV 交流供电制式的牵引变电所的回流分配规律,验证 SCADA系统对回流电流监测的不足,设计了一种同步测试方法,测量每一根回流电缆的电流,根据回流路径将其划分为车站回流、停车场回流、地回流三组,研究不同路径回流电流所占的比例与变化规律,并与SCADA 回流数据比对。研究发现,尽管回流电流幅值随着时间波动幅度较大,但绝大部分时间内回流分配比例稳定,仅有少数时间有波动,各时间段回流分配比例平均值相差不到1%。而SCADA系统无法真实反映回流电流的变化情况。本项目通过实测得到该牵引变电所的回流比例关系,其测量与分析方法可为同类变电所的回流比例关系提供参考,也为SCADA系统的回流监测改进提供方向。
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41(12): 112-119., articleTitle=Re-search on identification for special load current waveform in a metro traction network, refAbstract=null)], funds=[Fund(id=1154050938886152832, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, awardId=2021YJ0311, language=CN, fundingSource=四川省科技计划资助项目(2021YJ0311), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154050926219354570, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, xref=1, ext=[AuthorCompanyExt(id=1154050926223548875, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, companyId=1154050926219354570, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 西南交通大学 电气工程学院 成都 611756)])], figs=[ArticleFig(id=1154050936889664052, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 1, caption=
Schematic diagram of traction return current paths, figureFileSmall=peEu+R65rOgLdwnuyd9irw==, figureFileBig=8GKkosKJro/t3VP/LGR4Cg==, tableContent=null), ArticleFig(id=1154050936981938741, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图1, caption=
牵引回流路径示意, figureFileSmall=peEu+R65rOgLdwnuyd9irw==, figureFileBig=8GKkosKJro/t3VP/LGR4Cg==, tableContent=null), ArticleFig(id=1154050937044853303, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 2, caption=
Current data acquisition system for centralized grounding box cables in traction substation, figureFileSmall=wh1MpAjs7kZKjwEQnSk+9w==, figureFileBig=wEZV0EL2wtpvP7+rhpBtnQ==, tableContent=null), ArticleFig(id=1154050937132933690, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图2, caption=
变电所集中接地箱电缆电流数据采集方式, figureFileSmall=wh1MpAjs7kZKjwEQnSk+9w==, figureFileBig=wEZV0EL2wtpvP7+rhpBtnQ==, tableContent=null), ArticleFig(id=1154050937208431167, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 3, caption=
Waveform of current amplitude variation with time before and after synchronization, figureFileSmall=VYOXSwL2yDrcxdSIpExEkQ==, figureFileBig=WREw+3I/bu9opzcEGwFzOg==, tableContent=null), ArticleFig(id=1154050937292317251, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图3, caption=
对齐前后幅值随时间变化波形, figureFileSmall=VYOXSwL2yDrcxdSIpExEkQ==, figureFileBig=WREw+3I/bu9opzcEGwFzOg==, tableContent=null), ArticleFig(id=1154050937367814729, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 4, caption=
Real time distribution ratio of total return current, figureFileSmall=DSgLe4391PTluAiBQaGeXQ==, figureFileBig=+yLk0V92psjnKK6rCjVsBQ==, tableContent=null), ArticleFig(id=1154050937439117901, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图4, caption=
总回流实时分配比例, figureFileSmall=DSgLe4391PTluAiBQaGeXQ==, figureFileBig=+yLk0V92psjnKK6rCjVsBQ==, tableContent=null), ArticleFig(id=1154050937506226769, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 5, caption=
Comparison of return current amplitude variations, figureFileSmall=zy9aKCA6+h0yD6scBEXsKw==, figureFileBig=IKiUBFeK3/WI6mSvR9wvhw==, tableContent=null), ArticleFig(id=1154050937602695767, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图5, caption=
回流电流幅值变化对比, figureFileSmall=zy9aKCA6+h0yD6scBEXsKw==, figureFileBig=IKiUBFeK3/WI6mSvR9wvhw==, tableContent=null), ArticleFig(id=1154050937715941979, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 6, caption=
Comparison of average return current distribution ratios, figureFileSmall=CuudAxikbICCTEdxc7akcA==, figureFileBig=A9lGwFtfTFylE3iVleUOhA==, tableContent=null), ArticleFig(id=1154050937791439455, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图6, caption=
平均回流占比对比, figureFileSmall=CuudAxikbICCTEdxc7akcA==, figureFileBig=A9lGwFtfTFylE3iVleUOhA==, tableContent=null), ArticleFig(id=1154050937887908451, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 7, caption=
Real-time return current distribution ratio in depot areas, figureFileSmall=xCT0V9eU4bHfh/E/Z46r7w==, figureFileBig=wAYgf4CudmDm5dPWA84tCQ==, tableContent=null), ArticleFig(id=1154050937967600229, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图7, caption=
停车场实时分配比例, figureFileSmall=xCT0V9eU4bHfh/E/Z46r7w==, figureFileBig=wAYgf4CudmDm5dPWA84tCQ==, tableContent=null), ArticleFig(id=1154050938114400872, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Figure 8, caption=
Real-time distribution ratio of return current at stations, figureFileSmall=5JbM8jQWZ7m/xA3RdaSLfg==, figureFileBig=iZV7i6OCJRhC4zceqbojcg==, tableContent=null), ArticleFig(id=1154050938181509735, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=图8, caption=
车站回流实时分配比例, figureFileSmall=5JbM8jQWZ7m/xA3RdaSLfg==, figureFileBig=iZV7i6OCJRhC4zceqbojcg==, tableContent=null), ArticleFig(id=1154050938261201516, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Table 1, caption=
Average distribution ratio of total return current %, figureFileSmall=null, figureFileBig=null, tableContent=
| 运行时段 | 测量组别 | $\bar{I}_{\text {车站 }} / \bar{I}_{\text {总 }}$ | $\bar{I}_{\text {停车场 }} / \bar{I}_{\text {总 }}$ | $\bar{I}_{\text {地 }} / \bar{I}_{\text {总 }}$ |
| 非高峰 时间段 | 14:30:00 | 27.56 | 16.83 | 55.60 |
| 14:40:00 | 27.49 | 16.84 | 55.67 |
| 14:50:00 | 27.54 | 16.62 | 55.83 |
| 15:00:00 | 27.66 | 16.60 | 55.74 |
| 15:10:00 | 27.50 | 16.66 | 55.83 |
| 高峰 时间段 | 17:40:00 | 27.68 | 15.98 | 56.35 |
| 17:50:00 | 27.89 | 16.08 | 56.02 |
| 18:00:00 | 27.55 | 16.13 | 56.32 |
| 18:10:00 | 27.86 | 16.06 | 56.08 |
| 18:20:00 | 27.46 | 16.31 | 56.24 |
), ArticleFig(id=1154050938357670512, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=表1, caption=
总回流分配比例平均值, figureFileSmall=null, figureFileBig=null, tableContent=
| 运行时段 | 测量组别 | $\bar{I}_{\text {车站 }} / \bar{I}_{\text {总 }}$ | $\bar{I}_{\text {停车场 }} / \bar{I}_{\text {总 }}$ | $\bar{I}_{\text {地 }} / \bar{I}_{\text {总 }}$ |
| 非高峰 时间段 | 14:30:00 | 27.56 | 16.83 | 55.60 |
| 14:40:00 | 27.49 | 16.84 | 55.67 |
| 14:50:00 | 27.54 | 16.62 | 55.83 |
| 15:00:00 | 27.66 | 16.60 | 55.74 |
| 15:10:00 | 27.50 | 16.66 | 55.83 |
| 高峰 时间段 | 17:40:00 | 27.68 | 15.98 | 56.35 |
| 17:50:00 | 27.89 | 16.08 | 56.02 |
| 18:00:00 | 27.55 | 16.13 | 56.32 |
| 18:10:00 | 27.86 | 16.06 | 56.08 |
| 18:20:00 | 27.46 | 16.31 | 56.24 |
), ArticleFig(id=1154050938437362293, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Table 2, caption=
Comparison of average return current distribution ratios in depot areas, figureFileSmall=null, figureFileBig=null, tableContent=
| 测量组别 | 回流点 1 | 回流点2 | 回流点3 |
| 12:20:00 | 43.60 | 46.73 | 9.67 |
| 14:00:00 | 44.45 | 46.45 | 9.10 |
| 15:10:00 | 43.27 | 47.06 | 9.68 |
| 18:10:00 | 44.08 | 46.80 | 9.12 |
), ArticleFig(id=1154050938517054073, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=表2, caption=
停车场回流分配比例均值对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 测量组别 | 回流点 1 | 回流点2 | 回流点3 |
| 12:20:00 | 43.60 | 46.73 | 9.67 |
| 14:00:00 | 44.45 | 46.45 | 9.10 |
| 15:10:00 | 43.27 | 47.06 | 9.68 |
| 18:10:00 | 44.08 | 46.80 | 9.12 |
), ArticleFig(id=1154050938609328762, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=EN, label=Table 3, caption=
Comparison of average return current distribution ratios at stations %, figureFileSmall=null, figureFileBig=null, tableContent=
| 测量组别时间 | 上行线路 | 下行线路 |
| 12:20:00 | 36.93 | 63.07 |
| 14:00:00 | 36.81 | 63.19 |
| 15:10:00 | 36.76 | 63.24 |
| 18:10:00 | 37.02 | 62.98 |
), ArticleFig(id=1154050938718380668, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729527548527089, language=CN, label=表3, caption=
车站回流分配比例均值对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 测量组别时间 | 上行线路 | 下行线路 |
| 12:20:00 | 36.93 | 63.07 |
| 14:00:00 | 36.81 | 63.19 |
| 15:10:00 | 36.76 | 63.24 |
| 18:10:00 | 37.02 | 62.98 |
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