Article(id=1221467206030905531, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202208205, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660147200000, receivedDateStr=2022-08-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769150075681, onlineDateStr=2026-01-23, pubDate=1684944000000, pubDateStr=2023-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769150075681, onlineIssueDateStr=2026-01-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769150075681, creator=13701087609, updateTime=1769150075681, updator=13701087609, issue=Issue{id=1221467200582500783, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='5', pageStart='1', pageEnd='166', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769150074382, creator=13701087609, updateTime=1769157444393, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1221498112716226774, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1221498112716226775, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=22, endPage=28, ext={EN=ArticleExt(id=1221467206441947350, articleId=1221467206030905531, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Evaluation method of contact state of GIS disconnector based on multi-feature fusion, columnId=1221467201333281201, journalTitle=Thermal Power Generation, columnName=Special topics on safe operation, fault diagnosis and treatment technology of power generation equipment, runingTitle=null, highlight=null, articleAbstract=

The existing GIS disconnector contact state evaluation method is based on the single state characteristic quantity, the reliability of the evaluation result is low, and it is easy to misjudge and erroneous judgment. So a method of GIS disconnector contact state evaluation based on multi-feature fusion was presented. The multi state quantity comprehensive detection experimental platform of 220 kV GIS disconnector was built. And the relationships between the GIS disconnector shell temperature signal, shell vibration signal, partial discharge signal and the contact state of the disconnector were experimentally studied. On this basis, the temperature rise of GIS disconnector shell, the amplitude of shell vibration signal and the discharge amplitude of partial discharge UHF signal were taken as the state characteristic quantities of disconnector, and the contact state evaluation model of disconnector based on support vector machine was established. The test results show that the accuracy of GIS disconnector contact state evaluation method based on multi-feature fusion is the highest, can reach 92.92%.

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现有气体绝缘开关(GIS)的隔离开关接触状态评估方法依据状态特征量单一,评估结果可靠性低,易出现误判漏判等情况。基于此,提出一种基于多特征融合的GIS隔离开关接触状态评估方法。搭建220 kV GIS隔离开关多状态量综合检测实验平台,实验研究了GIS隔离开关外壳温度信号、外壳振动信号及局部放电信号与隔离开关接触状态之间的关系。在此基础上,将GIS隔离开关外壳温升、外壳振动信号振幅及局部放电特高频信号放电幅值作为隔离开关状态特征量,建立基于支持向量机的隔离开关接触状态评估模型。对该状态评估模型进行测试,结果表明基于多特征融合的GIS隔离开关接触状态评估方法准确率最高,可达到92.92%。

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李先锋(1981),男,高级工程师,主要研究方向为电网设计、调度及运行,

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基于多特征融合的GIS隔离开关接触状态评估方法
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李先锋 1 , 胡晨刚 1 , 高振宇 1 , 陈忠华 1 , 陈锋 2 , 倪晨晨 2 , 晏露阳 2
热力发电 | 发电设备安全运行、故障诊断及治理技术专题 2023,52(5): 22-28
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热力发电 | 发电设备安全运行、故障诊断及治理技术专题 2023, 52(5): 22-28
基于多特征融合的GIS隔离开关接触状态评估方法
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李先锋1 , 胡晨刚1, 高振宇1, 陈忠华1, 陈锋2, 倪晨晨2, 晏露阳2
作者信息
  • 1.杭州市电力设计院有限公司,浙江 杭州 310000
  • 2.西安交通大学电气工程学院,陕西 西安 710049
  • 李先锋(1981),男,高级工程师,主要研究方向为电网设计、调度及运行,

Evaluation method of contact state of GIS disconnector based on multi-feature fusion
Xianfeng LI1 , Chengang HU1, Zhenyu GAO1, Zhonghua CHEN1, Feng CHEN2, Chenchen NI2, Luyang YAN2
Affiliations
  • 1.Hangzhou Electric Power Design Institute Co., Ltd., Hangzhou 310000, China
  • 2.School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
出版时间: 2023-05-25 doi: 10.19666/j.rlfd.202208205
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现有气体绝缘开关(GIS)的隔离开关接触状态评估方法依据状态特征量单一,评估结果可靠性低,易出现误判漏判等情况。基于此,提出一种基于多特征融合的GIS隔离开关接触状态评估方法。搭建220 kV GIS隔离开关多状态量综合检测实验平台,实验研究了GIS隔离开关外壳温度信号、外壳振动信号及局部放电信号与隔离开关接触状态之间的关系。在此基础上,将GIS隔离开关外壳温升、外壳振动信号振幅及局部放电特高频信号放电幅值作为隔离开关状态特征量,建立基于支持向量机的隔离开关接触状态评估模型。对该状态评估模型进行测试,结果表明基于多特征融合的GIS隔离开关接触状态评估方法准确率最高,可达到92.92%。

GIS  /  隔离开关  /  状态评估  /  多特征融合

The existing GIS disconnector contact state evaluation method is based on the single state characteristic quantity, the reliability of the evaluation result is low, and it is easy to misjudge and erroneous judgment. So a method of GIS disconnector contact state evaluation based on multi-feature fusion was presented. The multi state quantity comprehensive detection experimental platform of 220 kV GIS disconnector was built. And the relationships between the GIS disconnector shell temperature signal, shell vibration signal, partial discharge signal and the contact state of the disconnector were experimentally studied. On this basis, the temperature rise of GIS disconnector shell, the amplitude of shell vibration signal and the discharge amplitude of partial discharge UHF signal were taken as the state characteristic quantities of disconnector, and the contact state evaluation model of disconnector based on support vector machine was established. The test results show that the accuracy of GIS disconnector contact state evaluation method based on multi-feature fusion is the highest, can reach 92.92%.

GIS  /  disconnector  /  state assessment  /  multi-feature fusion
李先锋, 胡晨刚, 高振宇, 陈忠华, 陈锋, 倪晨晨, 晏露阳. 基于多特征融合的GIS隔离开关接触状态评估方法. 热力发电, 2023 , 52 (5) : 22 -28 . DOI: 10.19666/j.rlfd.202208205
Xianfeng LI, Chengang HU, Zhenyu GAO, Zhonghua CHEN, Feng CHEN, Chenchen NI, Luyang YAN. Evaluation method of contact state of GIS disconnector based on multi-feature fusion[J]. Thermal Power Generation, 2023 , 52 (5) : 22 -28 . DOI: 10.19666/j.rlfd.202208205
  • 浙江大有集团有限公司科技项目(甲-2021-KJ-001)
2023年第52卷第5期
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doi: 10.19666/j.rlfd.202208205
  • 接收时间:2022-08-11
  • 首发时间:2026-01-23
  • 出版时间:2023-05-25
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  • 收稿日期:2022-08-11
基金
Science and Technology Project of Zhejiang Dayou Group Co., Ltd.(甲-2021-KJ-001)
浙江大有集团有限公司科技项目(甲-2021-KJ-001)
作者信息
    1.杭州市电力设计院有限公司,浙江 杭州 310000
    2.西安交通大学电气工程学院,陕西 西安 710049
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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