Article(id=1209867853944189409, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209867853138883038, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2024.01.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1675785600000, receivedDateStr=2023-02-08, revisedDate=1679500800000, revisedDateStr=2023-03-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1766384574638, onlineDateStr=2025-12-22, pubDate=1705680000000, pubDateStr=2024-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766384574638, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766384574638, creator=13701087609, updateTime=1766384574638, updator=13701087609, issue=Issue{id=1209867853138883038, tenantId=1146029695717560320, journalId=1149653034449285133, year='2024', volume='57', issue='1', pageStart='1', pageEnd='121', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766384574446, creator=13701087609, updateTime=1766563804426, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210619598207054470, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209867853138883038, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210619598207054471, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209867853138883038, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=101, endPage=108, ext={EN=ArticleExt(id=1209867854170681829, articleId=1209867853944189409, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Multi-source partial discharge detection method based on pulse current method and ultraviolet pulse method, columnId=1192878364340924664, journalTitle=Insulating Materials, columnName=Test and Analysis, runingTitle=null, highlight=null, articleAbstract=
In this paper, a multi-source partial discharge diagnosis method based on joint detection of pulse current method and ultraviolet pulse method was presented. A multi-source partial discharge experimental platform of switchgear was constructed for four basic defect models. The characteristics of partial discharge information obtained by joint detection were extracted and a database was constructed, and then the discharge types were identified by k-nearest neighbor (KNN) algorithm and directed acyclic graph SVMs (DAG-SVMs) algorithm. The results show that the change of discharge number and discharge quantity in discharge pattern measured by pulse current method are related to the defect type in model. The existence of void and surface defects will increase the discharge quantity and pattern symmetry, and the existence of corona defect will increase the discharge number. The discharge pulse number measured by ultraviolet pulse method is related to the defect number in multisource discharge model and the ratio of ultraviolet to visible light. The higher the number of defects and the ratio of ultraviolet to visible light, the larger the discharge pulse number. The recognition accuracy of the KNN algorithm can reach up to 99.67%.
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本研究提出了一种基于脉冲电流法和紫外脉冲法联合检测的多源局部放电诊断方法,针对4种基本缺陷模型,搭建了开关柜多源局部放电实验平台。对联合检测得到的局部放电信息特征进行提取并构建数据库,使用k近邻(KNN)算法和有向无环图支持向量机(DAG-SVMs)算法对局部放电类型进行识别。结果表明:脉冲电流法测得的放电图谱中放电次数和放电量的变化与模型中缺陷种类有关,气隙、沿面缺陷的引入使放电量增大和图谱对称性提高,电晕缺陷的引入使放电次数增多;紫外脉冲法测得的放电脉冲数与多源放电模型中缺陷个数和缺陷的紫外/可见光比值有关,缺陷个数和紫外/可见光比值越高,放电脉冲数越大;KNN算法识别准确率最高可达到99.67%。
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张周胜(1969-),男(土家族),湖北恩施人,教授,主要从事电力设备状态监测与故障诊断、电力设备智能化、电介质物理理论与介电现象、气体放电等的研究工作。
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苏志雄(1998-),男(汉族),江苏兴化人,硕士生,主要从事局部放电的在线监测、电力设备的智能化研究。
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苏志雄(1998-),男(汉族),江苏兴化人,硕士生,主要从事局部放电的在线监测、电力设备的智能化研究。
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1上海电力大学 电气工程学院,上海 200090)]), AuthorCompany(id=1217475406035337982, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, xref=2, ext=[AuthorCompanyExt(id=1217475406039532287, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, companyId=1217475406035337982, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Multi-source partial discharge experiment platform, figureFileSmall=+lhPHgHuqjGZ/lFeyQC4Zw==, figureFileBig=wwWtYbLaRC5JUiEirgsNaA==, tableContent=null), ArticleFig(id=1217475408472228708, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图1, caption=
多源局部放电实验平台, figureFileSmall=+lhPHgHuqjGZ/lFeyQC4Zw==, figureFileBig=wwWtYbLaRC5JUiEirgsNaA==, tableContent=null), ArticleFig(id=1217475408602252137, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.2, caption=
Diagram of multi-source partial discharge platform, figureFileSmall=TcXxU2Bh4ukrYCxT6/aRcg==, figureFileBig=q8gIa5lQ/RLtaTfVcstc1g==, tableContent=null), ArticleFig(id=1217475408698721136, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图2, caption=
多源局部放电平台示意图, figureFileSmall=TcXxU2Bh4ukrYCxT6/aRcg==, figureFileBig=q8gIa5lQ/RLtaTfVcstc1g==, tableContent=null), ArticleFig(id=1217475408790995829, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.3, caption=
Schematic diagram of basic defect models, figureFileSmall=ltU/ajON4flBMhpHLwz4Pg==, figureFileBig=h2MEFPhC3oHVRuq7naJKFg==, tableContent=null), ArticleFig(id=1217475408883270523, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图3, caption=
基本缺陷模型示意图, figureFileSmall=ltU/ajON4flBMhpHLwz4Pg==, figureFileBig=h2MEFPhC3oHVRuq7naJKFg==, tableContent=null), ArticleFig(id=1217475408967156608, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.4, caption=
Change of discharge number with voltage under different defects, figureFileSmall=46cIMI0/AtkFGGPvDWxDGA==, figureFileBig=wakIliX8zwp7x8v+jmZgzQ==, tableContent=null), ArticleFig(id=1217475409063625607, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图4, caption=
不同缺陷下放电次数随电压的变化, figureFileSmall=46cIMI0/AtkFGGPvDWxDGA==, figureFileBig=wakIliX8zwp7x8v+jmZgzQ==, tableContent=null), ArticleFig(id=1217475410326111115, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.5, caption=
PRPS spectra of single-source partial discharge, figureFileSmall=bphqBA+GDAdjwFWBLGM5gg==, figureFileBig=N1P3cO0QyYu/Nq4besRLIQ==, tableContent=null), ArticleFig(id=1217475410426774416, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图5, caption=
单源局部放电PRPS图谱, figureFileSmall=bphqBA+GDAdjwFWBLGM5gg==, figureFileBig=N1P3cO0QyYu/Nq4besRLIQ==, tableContent=null), ArticleFig(id=1217475410552603541, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.6, caption=
PRPS spectra of multi-source discharge, figureFileSmall=X9MLYU1tvqR7ks1V/2F1GA==, figureFileBig=8fPjluxwzec9pPo3zSb/hA==, tableContent=null), ArticleFig(id=1217475410665849758, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图6, caption=
多源放电PRPS图谱, figureFileSmall=X9MLYU1tvqR7ks1V/2F1GA==, figureFileBig=8fPjluxwzec9pPo3zSb/hA==, tableContent=null), ArticleFig(id=1217475410758124452, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.7, caption=
Change of discharge pulse numbers with voltage of different type of defects, figureFileSmall=RJwUtVU/x8VAW//E96vRpQ==, figureFileBig=EMdNAfXRxPd/5FXFWR2t/Q==, tableContent=null), ArticleFig(id=1217475410846204840, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图7, caption=
不同类型缺陷放电脉冲数随电压的变化, figureFileSmall=RJwUtVU/x8VAW//E96vRpQ==, figureFileBig=EMdNAfXRxPd/5FXFWR2t/Q==, tableContent=null), ArticleFig(id=1217475410917508012, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.8, caption=
Radar maps in multi-source partial discharge, figureFileSmall=KPF55LLHFoX5v+ROi9b1Ig==, figureFileBig=RKu45wlBdsNz13EJWAMp5g==, tableContent=null), ArticleFig(id=1217475411013977009, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图8, caption=
多源局部放电特征雷达谱图, figureFileSmall=KPF55LLHFoX5v+ROi9b1Ig==, figureFileBig=RKu45wlBdsNz13EJWAMp5g==, tableContent=null), ArticleFig(id=1217475411110446004, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.9, caption=
Principal component analysis result, figureFileSmall=yWgD7LBu21pBE5r4LqrvSA==, figureFileBig=wVrsyeM8zmA7pUuRSAkbJQ==, tableContent=null), ArticleFig(id=1217475411211109304, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图9, caption=
主成分分析结果, figureFileSmall=yWgD7LBu21pBE5r4LqrvSA==, figureFileBig=wVrsyeM8zmA7pUuRSAkbJQ==, tableContent=null), ArticleFig(id=1217475411290801084, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Fig.10, caption=
Two dimensional distribution diagram of vectors, figureFileSmall=7fubZ0f64aobdd+KL+hOaQ==, figureFileBig=bWE6laL2To6pRTAQC3bGzQ==, tableContent=null), ArticleFig(id=1217475411383075776, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=图10, caption=
特征向量的二维分布图, figureFileSmall=7fubZ0f64aobdd+KL+hOaQ==, figureFileBig=bWE6laL2To6pRTAQC3bGzQ==, tableContent=null), ArticleFig(id=1217475411466961861, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Tab.1, caption=
Partial discharge feature library, figureFileSmall=null, figureFileBig=null, tableContent=
| 缺陷类型 | 样本数目 | 样本标签 |
|---|
| 气隙 | 100 | 1 |
| 沿面 | 100 | 2 |
| 悬浮 | 100 | 3 |
| 电晕 | 100 | 4 |
| 气隙-电晕 | 100 | 5 |
| 沿面-电晕 | 100 | 6 |
| 气隙-悬浮 | 100 | 7 |
| 沿面-悬浮 | 100 | 8 |
| 气隙-悬浮-电晕 | 100 | 9 |
| 沿面-悬浮-电晕 | 100 | 10 |
), ArticleFig(id=1217475411567625165, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=表1, caption=
局部放电特征数据库
, figureFileSmall=null, figureFileBig=null, tableContent=
| 缺陷类型 | 样本数目 | 样本标签 |
|---|
| 气隙 | 100 | 1 |
| 沿面 | 100 | 2 |
| 悬浮 | 100 | 3 |
| 电晕 | 100 | 4 |
| 气隙-电晕 | 100 | 5 |
| 沿面-电晕 | 100 | 6 |
| 气隙-悬浮 | 100 | 7 |
| 沿面-悬浮 | 100 | 8 |
| 气隙-悬浮-电晕 | 100 | 9 |
| 沿面-悬浮-电晕 | 100 | 10 |
), ArticleFig(id=1217475411655705558, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Tab.2, caption=
Comparison of accuracy between two algorithms, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法名称 | 单源放电 | 多源放电 |
|---|
| 算法识别准确率/% | 算法识别准确率/% | 算法耗时 |
|---|
| 单一PCM | 单一PCM | PCM和UPM联合检测 | 训练时间/s | 运行时间/ms |
|---|
| KNN | 100.00 | 91.33 | 99.67 | — | 66.16 |
| DAG-SVMs | 99.00 | 85.00 | 99.00 | 47 | 530.00 |
), ArticleFig(id=1217475411731203037, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=表2, caption=
两种算法准确性比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法名称 | 单源放电 | 多源放电 |
|---|
| 算法识别准确率/% | 算法识别准确率/% | 算法耗时 |
|---|
| 单一PCM | 单一PCM | PCM和UPM联合检测 | 训练时间/s | 运行时间/ms |
|---|
| KNN | 100.00 | 91.33 | 99.67 | — | 66.16 |
| DAG-SVMs | 99.00 | 85.00 | 99.00 | 47 | 530.00 |
), ArticleFig(id=1217475411823477735, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=EN, label=Tab.3, caption=
Algorithmic complexity analysis, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法种类 | 训练时间复杂度 | 预测时间复杂度 | 运行空间复杂度 |
|---|
| KNN | O(1) | O((n+k)×d) | O(n×d) |
| DAG-SVMs | O(b2×n3) | O(b×s×d) | O(b2×s) |
| 二重logistic回归 | O((d×n)2) | O(d2) | O(d) |
), ArticleFig(id=1217475411915752430, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209867853944189409, language=CN, label=表3, caption=
算法复杂度分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法种类 | 训练时间复杂度 | 预测时间复杂度 | 运行空间复杂度 |
|---|
| KNN | O(1) | O((n+k)×d) | O(n×d) |
| DAG-SVMs | O(b2×n3) | O(b×s×d) | O(b2×s) |
| 二重logistic回归 | O((d×n)2) | O(d2) | O(d) |
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