Article(id=1194266548748645342, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1194262982466175686, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1726243200000, receivedDateStr=2024-09-14, revisedDate=1726588800000, revisedDateStr=2024-09-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1762664933620, onlineDateStr=2025-11-09, pubDate=1739548800000, pubDateStr=2025-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762664933620, onlineIssueDateStr=2025-11-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762664933620, creator=13701087609, updateTime=1762664933620, updator=13701087609, issue=Issue{id=1194262982466175686, tenantId=1146029695717560320, journalId=1190235702286704641, year='2025', volume='26', issue='2', pageStart='1', pageEnd='84', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762664083352, creator=13701087609, updateTime=1762760095771, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1194665687789572110, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1194262982466175686, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1194665687793766415, tenantId=1146029695717560320, journalId=1190235702286704641, issueId=1194262982466175686, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=13, ext={EN=ArticleExt(id=1194266548924806112, articleId=1194266548748645342, tenantId=1146029695717560320, journalId=1190235702286704641, language=EN, title=Fault location of DC distribution network based on current integration and temporal convolutional network-support vector machine, columnId=1190338913429459072, journalTitle=Electrical Engineering, columnName=Research & Development, runingTitle=null, highlight=null, articleAbstract=
This paper proposes a DC distribution network fault location method combining current integral variation trend and temporal convolutional network (TCN)-support vector machine (SVM), to distinguish and locate DC distribution network faults, and lay the foundation for DC distribution network protection. Firstly, the integral sequence of fault current is calculated, and the integral sequence is decomposed by variational mode decomposition (VMD) algorithm. The eigenvalues of the decomposed high frequency intrinsic mode function are used as the input eigenvectors of the combination model of TCN and SVM, and the fault lines are located and the fault types are determined. The simulation results show that the scheme can not only locate the fault line quickly and identify different faults accurately, but also has good adaptability and certain anti-interference ability.
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本文提出一种结合电流积分变化趋势和时序卷积网络(TCN)-支持向量机(SVM)的直流配电网故障定位方法,以区分故障类型并实现直流配电网故障准确定位,为实现直流配电网保护奠定基础。首先计算故障电流的积分序列,并用变分模态分解(VMD)算法分解积分序列,将分解所得高频固有模态函数的特征量作为TCN与SVM组合模型的输入特征向量,实现故障线路定位和故障类型判定。仿真结果表明,该方法能快速定位故障线路,准确识别不同故障,并且有较好的适应性和具备一定的抗干扰能力。
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祝光思涵(2000—),男,硕士研究生,主要研究方向为直流配电网故障定位。
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38(8): 2178-2190., articleTitle=基于时序卷积残差网络的主动配电系统线路短路故障诊断方案, refAbstract=null), Reference(id=1194319155433271393, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, doi=null, pmid=null, pmcid=null, year=2024, volume=52, issue=9, pageStart=1, pageEnd=15, url=null, language=null, rfNumber=[17], rfOrder=16, authorNames=王晓卫, 田影, 高杰, journalName=电力系统保护与控制, refType=null, unstructuredReference=王晓卫, 田影, 高杰, 等. 基于拐点密集区凹凸波动特性的直流配网故障检测方法[J].
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52(9): 1-15., articleTitle=基于拐点密集区凹凸波动特性的直流配网故障检测方法, refAbstract=null), Reference(id=1194319155496185954, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, doi=null, pmid=null, pmcid=null, year=2022, volume=23, issue=5, pageStart=1, pageEnd=8, url=null, language=null, rfNumber=[18], rfOrder=17, authorNames=白国岩, 李春宝, 孟繁丞, journalName=电气技术, refType=null, unstructuredReference=白国岩, 李春宝, 孟繁丞, 等. 多端柔性直流输电系统的自适应下垂控制策略研究[J].
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23(5): 1-8., articleTitle=多端柔性直流输电系统的自适应下垂控制策略研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1194319143143961585, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, xref=null, ext=[AuthorCompanyExt(id=1194319143152350194, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, companyId=1194319143143961585, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108), AuthorCompanyExt(id=1194319143160738803, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, companyId=1194319143143961585, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=福州大学电气工程与自动化学院, 福州 350108)])], figs=[ArticleFig(id=1194319145375330309, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=z7aOukjbO1DJemGLGw/nIQ==, figureFileBig=9G/1XdeUc+lyx513IsCt1g==, tableContent=null), ArticleFig(id=1194319145438244870, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图1, caption=
TCN残差块结构示意图, figureFileSmall=z7aOukjbO1DJemGLGw/nIQ==, figureFileBig=9G/1XdeUc+lyx513IsCt1g==, tableContent=null), ArticleFig(id=1194319145547296775, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=vocrzDXQVWXz1JEGu2SGHw==, figureFileBig=vtd4uypIff4d3fqw8mpoEQ==, tableContent=null), ArticleFig(id=1194319145622794248, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图2, caption=
因果卷积和膨胀卷积示意图, figureFileSmall=vocrzDXQVWXz1JEGu2SGHw==, figureFileBig=vtd4uypIff4d3fqw8mpoEQ==, tableContent=null), ArticleFig(id=1194319145689903113, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=DrKq8W26aQPJadLvgi9xnA==, figureFileBig=YsyJpNbaC8CaXMeweo/8gw==, tableContent=null), ArticleFig(id=1194319145748623370, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图3, caption=
TCN-SVM模型结构, figureFileSmall=DrKq8W26aQPJadLvgi9xnA==, figureFileBig=YsyJpNbaC8CaXMeweo/8gw==, tableContent=null), ArticleFig(id=1194319145815732235, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=eA3LJg0l3N2juFp5/HaBog==, figureFileBig=QmyWGu70tjBrVkdDMbxo5Q==, tableContent=null), ArticleFig(id=1194319145878646796, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图4, caption=
四端柔性直流配电网拓扑示意图, figureFileSmall=eA3LJg0l3N2juFp5/HaBog==, figureFileBig=QmyWGu70tjBrVkdDMbxo5Q==, tableContent=null), ArticleFig(id=1194319145941561357, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=noXTWPV8B0X+ataeAAUGLw==, figureFileBig=BZ5VBs5jeGxhM1sibeslvg==, tableContent=null), ArticleFig(id=1194319146025447438, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图5, caption=
不同工况的线路电流i12波形, figureFileSmall=noXTWPV8B0X+ataeAAUGLw==, figureFileBig=BZ5VBs5jeGxhM1sibeslvg==, tableContent=null), ArticleFig(id=1194319146092556303, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=VtMjHgFdKBPsfPvPQ+y1RA==, figureFileBig=9KhaHC81vHerZ8e+ADUFPQ==, tableContent=null), ArticleFig(id=1194319146147082256, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图6, caption=
不同故障电阻下的电流积分波形, figureFileSmall=VtMjHgFdKBPsfPvPQ+y1RA==, figureFileBig=9KhaHC81vHerZ8e+ADUFPQ==, tableContent=null), ArticleFig(id=1194319146218385425, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=ufSZP10cKqW3w5djgUd5aw==, figureFileBig=Sn6hlOxVosRfvvO/5YBAww==, tableContent=null), ArticleFig(id=1194319146302271506, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图7, caption=
线路电流i12积分波形, figureFileSmall=ufSZP10cKqW3w5djgUd5aw==, figureFileBig=Sn6hlOxVosRfvvO/5YBAww==, tableContent=null), ArticleFig(id=1194319146373574675, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=3zngoLPy7kOadxoFFhvHwg==, figureFileBig=cz+Y07l+sxu8lDIr0QKrAA==, tableContent=null), ArticleFig(id=1194319146440683540, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图8, caption=
线路电流i12积分的高频IMF分量波形, figureFileSmall=3zngoLPy7kOadxoFFhvHwg==, figureFileBig=cz+Y07l+sxu8lDIr0QKrAA==, tableContent=null), ArticleFig(id=1194319146499403797, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=nU2v5lCeH354MltjBGKnog==, figureFileBig=SQwO+vD9BjzDaRwmxecg+g==, tableContent=null), ArticleFig(id=1194319146562318358, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图9, caption=
直流母线故障时各电流积分的高频IMF波形, figureFileSmall=nU2v5lCeH354MltjBGKnog==, figureFileBig=SQwO+vD9BjzDaRwmxecg+g==, tableContent=null), ArticleFig(id=1194319146633621527, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=ooB/8l9Cs6i5ctTqra3oCQ==, figureFileBig=FP/yVSSnZwqIFLUKpxIVEA==, tableContent=null), ArticleFig(id=1194319146688147480, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图10, caption=
线路1正极接地时各电流积分的高频IMF波形, figureFileSmall=ooB/8l9Cs6i5ctTqra3oCQ==, figureFileBig=FP/yVSSnZwqIFLUKpxIVEA==, tableContent=null), ArticleFig(id=1194319146746867737, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=M4v97hbtoZevujIL2HXqjA==, figureFileBig=tm5evDlxJ2tBg+d2j+mqPw==, tableContent=null), ArticleFig(id=1194319146813976602, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图11, caption=
线路1负极接地时各电流积分的高频IMF波形, figureFileSmall=M4v97hbtoZevujIL2HXqjA==, figureFileBig=tm5evDlxJ2tBg+d2j+mqPw==, tableContent=null), ArticleFig(id=1194319146876891163, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=PSvnjRRBw9kcEW+IgqcbdA==, figureFileBig=bOIjLJF5ZRLGaz6OY1Vweg==, tableContent=null), ArticleFig(id=1194319146931417116, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图12, caption=
线路1极间短路时各电流积分的高频IMF波形, figureFileSmall=PSvnjRRBw9kcEW+IgqcbdA==, figureFileBig=bOIjLJF5ZRLGaz6OY1Vweg==, tableContent=null), ArticleFig(id=1194319146990137373, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=UGTgGAZvQAA1ENwWXzE8hg==, figureFileBig=+1hGukDh80YyW3FDFETzGA==, tableContent=null), ArticleFig(id=1194319147053051934, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图13, caption=
复合故障时各电流积分的高频IMF波形, figureFileSmall=UGTgGAZvQAA1ENwWXzE8hg==, figureFileBig=+1hGukDh80YyW3FDFETzGA==, tableContent=null), ArticleFig(id=1194319147103383583, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=nrJz4Z8kgXBNBwnyQTWpPw==, figureFileBig=SeF118UYXJVJk+cpNv8CEQ==, tableContent=null), ArticleFig(id=1194319147166298144, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图14, caption=
不同序列长度下故障线路正极电流的合并标准差, figureFileSmall=nrJz4Z8kgXBNBwnyQTWpPw==, figureFileBig=SeF118UYXJVJk+cpNv8CEQ==, tableContent=null), ArticleFig(id=1194319147225018401, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=KfVCu6rstTxkj1ZpI+CqUA==, figureFileBig=5p3jUmMN73SJPD55kw+LEA==, tableContent=null), ArticleFig(id=1194319147279544354, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图15, caption=
不同工况下的合并标准差, figureFileSmall=KfVCu6rstTxkj1ZpI+CqUA==, figureFileBig=5p3jUmMN73SJPD55kw+LEA==, tableContent=null), ArticleFig(id=1194319147342458915, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=LFSTllA++szHsKmzqkd9Ig==, figureFileBig=WssZvCxSLPru/Zx1lpO/8g==, tableContent=null), ArticleFig(id=1194319147401179172, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图16, caption=
定位方案工作流程, figureFileSmall=LFSTllA++szHsKmzqkd9Ig==, figureFileBig=WssZvCxSLPru/Zx1lpO/8g==, tableContent=null), ArticleFig(id=1194319147476676645, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=JgAcOa+rwlAASOMyBdWp3Q==, figureFileBig=eaaZcJT2aNKKX0gPqKJWjg==, tableContent=null), ArticleFig(id=1194319147547979814, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图17, caption=
不同故障过渡电阻下的合并标准差, figureFileSmall=JgAcOa+rwlAASOMyBdWp3Q==, figureFileBig=eaaZcJT2aNKKX0gPqKJWjg==, tableContent=null), ArticleFig(id=1194319147602505767, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=tu7utBQQfMkX9t4XRCVAow==, figureFileBig=sU9z/OFZ+w8s6QLRfb9JdQ==, tableContent=null), ArticleFig(id=1194319147661226024, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图18, caption=
混淆矩阵, figureFileSmall=tu7utBQQfMkX9t4XRCVAow==, figureFileBig=sU9z/OFZ+w8s6QLRfb9JdQ==, tableContent=null), ArticleFig(id=1194319147719946281, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=aq3InennX5YFnREORSjgjQ==, figureFileBig=6BhC+1W8iXXMHbVl7Kmrgg==, tableContent=null), ArticleFig(id=1194319147787055146, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图19, caption=
直流母线故障时的合并标准差, figureFileSmall=aq3InennX5YFnREORSjgjQ==, figureFileBig=6BhC+1W8iXXMHbVl7Kmrgg==, tableContent=null), ArticleFig(id=1194319147849969707, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=vOxrDjvr/dheb1hUuUGIHg==, figureFileBig=fErPyk7lH0pz6+9qyKGDhg==, tableContent=null), ArticleFig(id=1194319147904495660, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图20, caption=
接入直流负荷时电流积分高频IMF波形, figureFileSmall=vOxrDjvr/dheb1hUuUGIHg==, figureFileBig=fErPyk7lH0pz6+9qyKGDhg==, tableContent=null), ArticleFig(id=1194319147967410221, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=Zzky1vskOEQ6qZNZhCExBQ==, figureFileBig=gdbq8YLjU1UPWncqg+HdXA==, tableContent=null), ArticleFig(id=1194319148026130478, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图21, caption=
接入交流负荷时电流积分高频IMF波形, figureFileSmall=Zzky1vskOEQ6qZNZhCExBQ==, figureFileBig=gdbq8YLjU1UPWncqg+HdXA==, tableContent=null), ArticleFig(id=1194319148080656431, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=NyFAeCyLuDMsG5evVm9btQ==, figureFileBig=kXU/8np3+kqpkYRd10K5Gg==, tableContent=null), ArticleFig(id=1194319148143570992, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=图22, caption=
噪声影响下不同工况的合并标准差, figureFileSmall=NyFAeCyLuDMsG5evVm9btQ==, figureFileBig=kXU/8np3+kqpkYRd10K5Gg==, tableContent=null), ArticleFig(id=1194319148202291249, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 启动因素 | ABus | ALine | R |
| 交流负荷投切 | 228 467.43 | 6 986.85 | 32.70 |
| 直流负荷投切 | 2 250.20 | 362.76 | 6.20 |
| 极间短路故障 | 19 979.05 | 23 525.64 | 0.85 |
| 正极接地故障 | 2 320.00 | 4 599.00 | 0.50 |
| 直流母线故障 | 241 159.27 | 7 145.27 | 33.75 |
), ArticleFig(id=1194319148261011506, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=表1, caption=
不同工况下的合并标准差及最大值比值
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| 启动因素 | ABus | ALine | R |
| 交流负荷投切 | 228 467.43 | 6 986.85 | 32.70 |
| 直流负荷投切 | 2 250.20 | 362.76 | 6.20 |
| 极间短路故障 | 19 979.05 | 23 525.64 | 0.85 |
| 正极接地故障 | 2 320.00 | 4 599.00 | 0.50 |
| 直流母线故障 | 241 159.27 | 7 145.27 | 33.75 |
), ArticleFig(id=1194319148323926067, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 直流电压/kV | 10 |
| 换流站功率/MW | 25 |
| 交流电压/kV | 110 |
), ArticleFig(id=1194319148382646324, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=表2, caption=
四端直流配电网模型仿真参数
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| 参数 | 数值 |
| 直流电压/kV | 10 |
| 换流站功率/MW | 25 |
| 交流电压/kV | 110 |
), ArticleFig(id=1194319148441366581, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 范围 | 数量 |
| 故障线路 | Line1、Line2、Line3、Line4 | 4 |
| 故障类型 | 正极接地、负极接地、极间短路 | 3 |
| 相对故障位置/% | 0, 25, 50, 75, 100 | 5 |
| 过渡电阻/Ω | 0~500 | 201 |
), ArticleFig(id=1194319149498331190, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=表3, caption=
线路故障样本参数设置
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| 参数 | 范围 | 数量 |
| 故障线路 | Line1、Line2、Line3、Line4 | 4 |
| 故障类型 | 正极接地、负极接地、极间短路 | 3 |
| 相对故障位置/% | 0, 25, 50, 75, 100 | 5 |
| 过渡电阻/Ω | 0~500 | 201 |
), ArticleFig(id=1194319149565440055, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 过渡电阻/Ω | ABus | ALine | R |
| 单极接地 | 10 | 4 628.28 | 4 979.91 | 0.93 |
| 100 | 596.17 | 631.34 | 0.94 |
| 500 | 42.03 | 43.59 | 0.96 |
| 极间短路 | 10 | 12 947.59 | 14 835.02 | 0.87 |
| 100 | 1 978.44 | 2 241.94 | 0.88 |
| 500 | 151.77 | 167.58 | 0.91 |
), ArticleFig(id=1194319149636743224, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194266548748645342, language=CN, label=表4, caption=
不同过渡电阻下合并标准差最大值及比值
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| 故障类型 | 过渡电阻/Ω | ABus | ALine | R |
| 单极接地 | 10 | 4 628.28 | 4 979.91 | 0.93 |
| 100 | 596.17 | 631.34 | 0.94 |
| 500 | 42.03 | 43.59 | 0.96 |
| 极间短路 | 10 | 12 947.59 | 14 835.02 | 0.87 |
| 100 | 1 978.44 | 2 241.94 | 0.88 |
| 500 | 151.77 | 167.58 | 0.91 |
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故障 类型 | 节点 标号 | 测量 线路 | /rad | |
| 正极 | 负极 | 正极 | 负极 |
线路1 正极 接地 | ① | Line1 | 0.106 3 | 0.001 0 | 2.320 5 | 0.213 5 |
| Line2 | 0.000 4 | 0.000 7 | 0.190 4 | 0.201 6 |
| ② | Line1 | 0.086 1 | 0.001 7 | 1.726 9 | 0.248 4 |
| Line3 | 0.002 9 | 0.000 1 | 0.657 5 | 0.691 1 |
| ③ | Line2 | 0.004 8 | 0.001 7 | 0.200 2 | 0.208 3 |
| Line4 | 0.000 7 | 0.000 5 | 0.709 0 | 0.708 5 |
| ④ | Line3 | 0.004 0 | 0.000 8 | 0.667 7 | 0.687 9 |
| Line4 | 0.000 6 | 0.000 8 | 0.697 5 | 0.700 8 |
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线路1正极接地时的趋势夹角和极值差
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故障 类型 | 节点 标号 | 测量 线路 | /rad | |
| 正极 | 负极 | 正极 | 负极 |
线路1 正极 接地 | ① | Line1 | 0.106 3 | 0.001 0 | 2.320 5 | 0.213 5 |
| Line2 | 0.000 4 | 0.000 7 | 0.190 4 | 0.201 6 |
| ② | Line1 | 0.086 1 | 0.001 7 | 1.726 9 | 0.248 4 |
| Line3 | 0.002 9 | 0.000 1 | 0.657 5 | 0.691 1 |
| ③ | Line2 | 0.004 8 | 0.001 7 | 0.200 2 | 0.208 3 |
| Line4 | 0.000 7 | 0.000 5 | 0.709 0 | 0.708 5 |
| ④ | Line3 | 0.004 0 | 0.000 8 | 0.667 7 | 0.687 9 |
| Line4 | 0.000 6 | 0.000 8 | 0.697 5 | 0.700 8 |
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| 参数 | 数值 |
| 输入量 | 2×24 |
| 时序卷积块个数 | 3 |
| 神经元数量 | 32, 32, 16 |
| 卷积核大小 | 1 |
| 膨胀率 | 1, 2, 4 |
| 激活函数 | ReLU |
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TCN主要参数
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| 参数 | 数值 |
| 输入量 | 2×24 |
| 时序卷积块个数 | 3 |
| 神经元数量 | 32, 32, 16 |
| 卷积核大小 | 1 |
| 膨胀率 | 1, 2, 4 |
| 激活函数 | ReLU |
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| 模型 | 学习率 | 最大迭代次数 | 批量大小 | 随机失活 |
| RNN | 0.001 | 60 | 128 | 0.5 |
| CNN | 0.001 | 80 | 64 | 0.5 |
| TCN | 0.001 | 80 | 64 | 0.5 |
| TCN-SVM | 0.001 | 80 | 64 | 0.5 |
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不同模型参数设置
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| 模型 | 学习率 | 最大迭代次数 | 批量大小 | 随机失活 |
| RNN | 0.001 | 60 | 128 | 0.5 |
| CNN | 0.001 | 80 | 64 | 0.5 |
| TCN | 0.001 | 80 | 64 | 0.5 |
| TCN-SVM | 0.001 | 80 | 64 | 0.5 |
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| 模型 | 定位准确率/% | 训练时间/s | 单个样本用时/s |
| RNN | 95.92 | 78.75 | 0.05 |
| CNN | 98.25 | 220.39 | 0.15 |
| TCN | 100.00 | 122.54 | 0.08 |
| TCN-SVM | 100.00 | 125.92 | 0.08 |
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各模型训练时间及定位准确率对比
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| 模型 | 定位准确率/% | 训练时间/s | 单个样本用时/s |
| RNN | 95.92 | 78.75 | 0.05 |
| CNN | 98.25 | 220.39 | 0.15 |
| TCN | 100.00 | 122.54 | 0.08 |
| TCN-SVM | 100.00 | 125.92 | 0.08 |
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| 过渡电阻/Ω | ABus | ALine | R |
| 100 | 1 875.07 | 149.01 | 12.58 |
| 300 | 239.67 | 21.68 | 11.05 |
| 500 | 87.29 | 8.19 | 10.66 |
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不同过渡电阻下直流母线故障时的合并标准差及最大值比值
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| 过渡电阻/Ω | ABus | ALine | R |
| 100 | 1 875.07 | 149.01 | 12.58 |
| 300 | 239.67 | 21.68 | 11.05 |
| 500 | 87.29 | 8.19 | 10.66 |
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| 模型 | 定位准确率/% | 单个样本用时/s |
| RNN | 95.10 | 0.20 |
| CNN | 98.01 | 0.11 |
| TCN | 98.47 | 0.09 |
| TCN-SVM | 99.87 | 0.11 |
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各模型定位准确率和用时
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| 模型 | 定位准确率/% | 单个样本用时/s |
| RNN | 95.10 | 0.20 |
| CNN | 98.01 | 0.11 |
| TCN | 98.47 | 0.09 |
| TCN-SVM | 99.87 | 0.11 |
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| 噪声强度/dB | 模型 | 定位准确率/% |
| 30 | RNN | 91.13 |
| CNN | 98.54 |
| TCN | 99.07 |
| TCN-SVM | 99.60 |
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添加噪声后各模型的定位准确率
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| 噪声强度/dB | 模型 | 定位准确率/% |
| 30 | RNN | 91.13 |
| CNN | 98.54 |
| TCN | 99.07 |
| TCN-SVM | 99.60 |
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| 噪声强度/dB | 定位准确率/% |
| 30 | 99.60 |
| 20 | 98.80 |
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不同环境噪声下TCN-SVM模型的定位准确率
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| 噪声强度/dB | 定位准确率/% |
| 30 | 99.60 |
| 20 | 98.80 |
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| 采样点延迟时间/ms | 模型 | 定位准确率/% |
| 1 | RNN | 72.73 |
| CNN | 95.10 |
| TCN | 99.00 |
| TCN-SVM | 99.80 |
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采样点延迟时各模型定位准确率
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| 采样点延迟时间/ms | 模型 | 定位准确率/% |
| 1 | RNN | 72.73 |
| CNN | 95.10 |
| TCN | 99.00 |
| TCN-SVM | 99.80 |
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| 采样点延迟时间/ms | 定位准确率/% |
| 1 | 99.80 |
| 2 | 99.73 |
| 3 | 99.66 |
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不同采样延时下TCN-SVM模型的定位准确率
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| 采样点延迟时间/ms | 定位准确率/% |
| 1 | 99.80 |
| 2 | 99.73 |
| 3 | 99.66 |
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| 训练集比例 | 定位准确率 |
| 80 | 99.87 |
| 60 | 99.76 |
| 20 | 99.47 |
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不同训练集下TCN-SVM模型定位准确率 (%)
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| 训练集比例 | 定位准确率 |
| 80 | 99.87 |
| 60 | 99.76 |
| 20 | 99.47 |
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| 数据缺失点数 | 模型 | 定位准确率/% |
| 10 | RNN | 56.10 |
| CNN | 85.89 |
| TCN | 84.56 |
| TCN-SVM | 86.50 |
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数据缺失时各模型定位准确率
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| 数据缺失点数 | 模型 | 定位准确率/% |
| 10 | RNN | 56.10 |
| CNN | 85.89 |
| TCN | 84.56 |
| TCN-SVM | 86.50 |
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