Article(id=1209927725054300940, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927720432169632, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2024.03.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1683388800000, receivedDateStr=2023-05-07, revisedDate=1685808000000, revisedDateStr=2023-06-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1766398849023, onlineDateStr=2025-12-22, pubDate=1710864000000, pubDateStr=2024-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766398849023, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766398849023, creator=13701087609, updateTime=1766398849023, updator=13701087609, issue=Issue{id=1209927720432169632, tenantId=1146029695717560320, journalId=1149653034449285133, year='2024', volume='57', issue='3', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766398847920, creator=13701087609, updateTime=1766563849864, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210619788792033962, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927720432169632, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210619788792033963, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927720432169632, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=121, endPage=128, ext={EN=ArticleExt(id=1209927725717000982, articleId=1209927725054300940, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Analysis of inerturn insulation fault characteristic for dry-type air-core shunt reactor winding, columnId=1192878364340924664, journalTitle=Insulating Materials, columnName=Test and Analysis, runingTitle=null, highlight=null, articleAbstract=
In this paper, a simulation and analysis model was established by finite element software to study the physical characteristics of interturn insulation faults in dry-type air-core shunt reactor windings, and explore the sensitive state variables for easy fault monitoring. Firstly, the "field-circuit" coupling model based on actual reactor was established in the finite element simulation software, and its correctness was verified. Then, interturn insulation faults were set at different layers and heights of its windings, and the variation laws of the total loop current, equivalent impedance, active power loss, and other electrical characteristic quantities with fault positions were studied, the changes of spatial magnetic induction intensity and winding force were analyzed. The results show that the change rate of the studied electrical characteristic quantity varies with the short circuit position between single turns of the winding, which increases from the inner layer to the outer layer in the radial direction, and decreases in the outermost layer, and gradually decreases from the middle to the end of the winding in the axial direction. The spatial magnetic induction intensity and the stress on the faulty winding under the condition of single interturn short circuit of the winding increase obviously, and the change rate of equivalent resistance, power factor, and active power loss are all above 500%, which change obviously and are convenient to obtain, they can be used as online monitoring quantities of interturn insulation fault in dry-type air-core shunt reactor.
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本文通过有限元软件建立仿真分析模型,研究干式空心并联电抗器绕组匝间绝缘故障的物理特征,探寻便于故障监测的敏感状态量。首先在有限元仿真软件中建立基于实际电抗器的“场-路”耦合模型并验证正确性,之后在其绕组不同层、不同高度位置设置匝间绝缘故障,研究回路总电流、等效阻抗、有功功率损耗等电气特征量随故障位置的变化规律,并分析空间磁感应强度和绕组受力的变化情况。结果表明:所研究的电气特征量变化率随绕组单匝匝间短路位置的变化而变化,在径向上呈现从内层到外层增大的趋势,在最外层有所减小,在轴向上由绕组中部向端部逐渐减小。绕组单匝匝间短路状态下的空间磁感应强度和故障绕组受力明显增大,等效电阻、功率因数和有功功率损耗的变化率均在500%以上,变化显著且方便获取,可作为干式空心并联电抗器匝间绝缘故障的在线监测量。
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咸日常(1966-),男(汉族),山东高密人,教授,主要从事输变电设备状态检测与过电压防护的研究。
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李增悦(2000-),女(汉族),山东青岛人,硕士生,主要从事电气设备在线监测与故障诊断技术的研究。
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1山东理工大学 电气与电子工程学院,山东 淄博 255000)])])], keywords=[Keyword(id=1217486329978470578, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, orderNo=1, keyword=dry-type air-core shunt reactor), Keyword(id=1217486330070745269, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, orderNo=2, keyword=interturn insulation fault), Keyword(id=1217486330154631355, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, orderNo=3, keyword=fault characteristics), Keyword(id=1217486330255294655, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, orderNo=4, keyword=online monitoring), Keyword(id=1217486330347569347, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, orderNo=1, keyword=干式空心并联电抗器), Keyword(id=1217486330418872520, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, orderNo=2, keyword=匝间绝缘故障), Keyword(id=1217486330498564300, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, orderNo=3, keyword=故障特征), Keyword(id=1217486330582450380, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, orderNo=4, keyword=在线监测)], refs=[Reference(id=1217486333694624063, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, doi=null, pmid=null, pmcid=null, year=2023, volume=56, issue=4, pageStart=77, pageEnd=84, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=温刚, 李楚, 程林, journalName=绝缘材料, refType=null, unstructuredReference=温刚,李楚,程林,等.基于行波反射的干式空心电抗器匝间短路故障诊断方法研究[J].
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变压器,
2017,
54(9):34-38., articleTitle=匝间短路干式空心并联电抗器故障电流分析, refAbstract=null), Reference(id=1217486335728861545, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, doi=null, pmid=null, pmcid=null, year=2019, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[27], rfOrder=26, authorNames=李伟, journalName=null, refType=null, unstructuredReference=李伟.匝间短路换位导线干式空心电抗器阻抗变化频率特性[D].哈尔滨:哈尔滨理工大学,
2019., articleTitle=匝间短路换位导线干式空心电抗器阻抗变化频率特性, refAbstract=null)], funds=[Fund(id=1217486333535240504, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, awardId=52077221, language=CN, fundingSource=国家自然科学基金资助项目(52077221), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1217486327445110807, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, xref=1, ext=[AuthorCompanyExt(id=1217486327449305112, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327445110807, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, China), AuthorCompanyExt(id=1217486327453499417, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327445110807, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1山东理工大学 电气与电子工程学院,山东 淄博 255000)]), AuthorCompany(id=1217486327533191200, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, xref=2, ext=[AuthorCompanyExt(id=1217486327541579809, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327533191200, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Grid Shandong Electric Extrahigh Voltage Company, Jinan 250118, China), AuthorCompanyExt(id=1217486327549968417, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327533191200, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2国网山东省电力公司超高压公司, 山东 济南 250118)]), AuthorCompany(id=1217486327612882980, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, xref=3, ext=[AuthorCompanyExt(id=1217486327625465894, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327612882980, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Shandong Qixing Electric Technology Development Co., Ltd., Zibo 255000, China), AuthorCompanyExt(id=1217486327629660199, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, companyId=1217486327612882980, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3山东七星电气科技发展有限公司,山东 淄博 255000)])], figs=[ArticleFig(id=1217486330771194067, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.1, caption=
Reactor equivalent circuit under normal operation, figureFileSmall=iNG/+jzX7v6bakszLEg34w==, figureFileBig=9HCdSroKZ3ZUZCwJdeYRyQ==, tableContent=null), ArticleFig(id=1217486330863468759, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图1, caption=
正常运行情况下电抗器等效电路, figureFileSmall=iNG/+jzX7v6bakszLEg34w==, figureFileBig=9HCdSroKZ3ZUZCwJdeYRyQ==, tableContent=null), ArticleFig(id=1217486330980909280, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.2, caption=
Schematic diagram of winding current under normal operation and interturn insulation fault, figureFileSmall=xr7uPA4QhRt+vr9qlpueqw==, figureFileBig=2gtaT3YLKdzb/6aR5cFojA==, tableContent=null), ArticleFig(id=1217486331140292837, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图2, caption=
正常运行与匝间绝缘故障时的绕组电流示意图, figureFileSmall=xr7uPA4QhRt+vr9qlpueqw==, figureFileBig=2gtaT3YLKdzb/6aR5cFojA==, tableContent=null), ArticleFig(id=1217486331232567527, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.3, caption=
Equivalent circuit of reactor in case of interturn insulation fault, figureFileSmall=MhiqVmHg8POnxDVY6Gaz3w==, figureFileBig=/ExFxdnca3Lo+vRUAvbvVQ==, tableContent=null), ArticleFig(id=1217486331312259309, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图3, caption=
匝间绝缘故障情况下电抗器等效电路, figureFileSmall=MhiqVmHg8POnxDVY6Gaz3w==, figureFileBig=/ExFxdnca3Lo+vRUAvbvVQ==, tableContent=null), ArticleFig(id=1217486331421311220, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.4, caption=
Schematic diagram of winding inductance calculation, figureFileSmall=W28VAERa90lb8OFDlcnzDw==, figureFileBig=U9r2yG2pizwZlIboEH8qXg==, tableContent=null), ArticleFig(id=1217486331509391608, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图4, caption=
绕组电感计算示意图, figureFileSmall=W28VAERa90lb8OFDlcnzDw==, figureFileBig=U9r2yG2pizwZlIboEH8qXg==, tableContent=null), ArticleFig(id=1217486331580694778, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.5, caption=
Two-dimensional geometric model of reactor, figureFileSmall=fPlxANTnKJ6xIYJyZWP8lA==, figureFileBig=MQ/K/C12dmWipJQG2oVvPw==, tableContent=null), ArticleFig(id=1217486331647803645, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图5, caption=
电抗器二维几何模型, figureFileSmall=fPlxANTnKJ6xIYJyZWP8lA==, figureFileBig=MQ/K/C12dmWipJQG2oVvPw==, tableContent=null), ArticleFig(id=1217486331740078338, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.6, caption=
Comparison on simulation values and analytical calculation values of self-inductance and current of windings in each layer, figureFileSmall=pF4G8cv9QsEjYiv781hl9w==, figureFileBig=VYUDsMPgtyrlHWjotTMTRg==, tableContent=null), ArticleFig(id=1217486331823964420, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图6, caption=
各层绕组自感、电流的仿真值与解析计算值比较, figureFileSmall=pF4G8cv9QsEjYiv781hl9w==, figureFileBig=VYUDsMPgtyrlHWjotTMTRg==, tableContent=null), ArticleFig(id=1217486331907850503, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.7, caption=
Schematic diagram of winding interturn insulation fault setting, figureFileSmall=ee/eo4CAVaawvsY8SUxEZg==, figureFileBig=H/E7JTD5h5qki7UmXZw6TQ==, tableContent=null), ArticleFig(id=1217486331987542282, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图7, caption=
绕组匝间绝缘故障设置示意图, figureFileSmall=ee/eo4CAVaawvsY8SUxEZg==, figureFileBig=H/E7JTD5h5qki7UmXZw6TQ==, tableContent=null), ArticleFig(id=1217486332050456845, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.8, caption=
The change rate of each electric characteristic quantity of the reactor with the short circuit position between single turns, figureFileSmall=tfEBxvWaqyuXlA31LHx3Jg==, figureFileBig=jz4H/MTghuViF5B9WU/m6w==, tableContent=null), ArticleFig(id=1217486332113371409, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图8, caption=
随单匝匝间短路位置变化的电抗器各电气特征量变化率, figureFileSmall=tfEBxvWaqyuXlA31LHx3Jg==, figureFileBig=jz4H/MTghuViF5B9WU/m6w==, tableContent=null), ArticleFig(id=1217486332201451796, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.9, caption=
Short-circuit loop current change rate, figureFileSmall=3zrkGPoiGQUi5RjRzDhddw==, figureFileBig=aVl9tgPZUJHSi1be2R54BA==, tableContent=null), ArticleFig(id=1217486332281143574, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图9, caption=
短路环电流变化率, figureFileSmall=3zrkGPoiGQUi5RjRzDhddw==, figureFileBig=aVl9tgPZUJHSi1be2R54BA==, tableContent=null), ArticleFig(id=1217486332394389785, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.10, caption=
Schematic diagram for calculating magnetic induction intensity of single-layer current-carrying winding, figureFileSmall=KIQhndTQno4y6sZSzZZlDA==, figureFileBig=MlL3zY+P4Mb83vitS5DREg==, tableContent=null), ArticleFig(id=1217486332486664476, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图10, caption=
单层载流绕组磁感应强度计算示意图, figureFileSmall=KIQhndTQno4y6sZSzZZlDA==, figureFileBig=MlL3zY+P4Mb83vitS5DREg==, tableContent=null), ArticleFig(id=1217486332566356256, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.11, caption=
Spatial magnetic induction intensity distribution under normal operation and interturn insulation fault, figureFileSmall=gdTGGdw3QGvuT89LsbE7mg==, figureFileBig=NI2JhuUkl59Grb6A66oDFg==, tableContent=null), ArticleFig(id=1217486332650242342, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图11, caption=
正常运行与匝间绝缘故障时的空间磁感应强度分布, figureFileSmall=gdTGGdw3QGvuT89LsbE7mg==, figureFileBig=NI2JhuUkl59Grb6A66oDFg==, tableContent=null), ArticleFig(id=1217486332721545510, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Fig.12, caption=
Spatial magnetic induction intensity and force change rate of fault winding varying with the position of single interturn short circuit, figureFileSmall=jPDpuYPhqI8F9e84RvGyuw==, figureFileBig=/nbp5985h55ly9385yvLCQ==, tableContent=null), ArticleFig(id=1217486332788654377, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=图12, caption=
随单匝匝间短路位置变化的空间磁感应强度、故障绕组受力变化率, figureFileSmall=jPDpuYPhqI8F9e84RvGyuw==, figureFileBig=/nbp5985h55ly9385yvLCQ==, tableContent=null), ArticleFig(id=1217486332880929068, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Tab.1, caption=
Main technical parameters of dry-type air-core shunt reactor, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 系统电压/kV | 35 | 频率/Hz | 50 |
| 额定电流/A | 1 004 | 相数 | 1 |
| 额定容量/kvar | 20 000 | 包封数 | 17 |
), ArticleFig(id=1217486333124198703, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=表1, caption=
干式空心并联电抗器主要技术参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 系统电压/kV | 35 | 频率/Hz | 50 |
| 额定电流/A | 1 004 | 相数 | 1 |
| 额定容量/kvar | 20 000 | 包封数 | 17 |
), ArticleFig(id=1217486333212279089, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=EN, label=Tab.2, caption=
Comparison on physical quantities of interturn insulation fault of dry-type air-core shunt reactor winding, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 变化率/% | 对匝间短路的敏感度 |
|---|
| 回路总电流 | 0.22~4.16 | 不敏感 |
| 功率因数角 | -6.05~-0.62 | 不敏感 |
| 功率因数 | 506.63~4 921.16 | 敏感 |
| 等效阻抗 | -3.99~-0.22 | 不敏感 |
| 等效电阻 | 505.30~4 720.71 | 敏感 |
| 等效电抗 | -4.44~-0.22 | 不敏感 |
| 有功功率损耗 | 507.95~5 129.94 | 敏感 |
| 空间磁感应强度 | 256.39~841.50 | 敏感 |
| 故障绕组受力 | 16 871.12~49 205.96 | 敏感 |
), ArticleFig(id=1217486333350691124, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927725054300940, language=CN, label=表2, caption=
干式空心并联电抗器绕组匝间绝缘故障物理量对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 变化率/% | 对匝间短路的敏感度 |
|---|
| 回路总电流 | 0.22~4.16 | 不敏感 |
| 功率因数角 | -6.05~-0.62 | 不敏感 |
| 功率因数 | 506.63~4 921.16 | 敏感 |
| 等效阻抗 | -3.99~-0.22 | 不敏感 |
| 等效电阻 | 505.30~4 720.71 | 敏感 |
| 等效电抗 | -4.44~-0.22 | 不敏感 |
| 有功功率损耗 | 507.95~5 129.94 | 敏感 |
| 空间磁感应强度 | 256.39~841.50 | 敏感 |
| 故障绕组受力 | 16 871.12~49 205.96 | 敏感 |
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