CN102967842B - 一种电子式电流互感器的渐变性故障在线诊断方法 - Google Patents
一种电子式电流互感器的渐变性故障在线诊断方法 Download PDFInfo
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- CN102967842B CN102967842B CN201210411341.9A CN201210411341A CN102967842B CN 102967842 B CN102967842 B CN 102967842B CN 201210411341 A CN201210411341 A CN 201210411341A CN 102967842 B CN102967842 B CN 102967842B
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- current
- transformer
- sequence component
- mutual inductor
- transmission line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (1)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210411341.9A CN102967842B (zh) | 2012-10-24 | 2012-10-24 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
PCT/CN2013/084913 WO2014063570A1 (zh) | 2012-10-24 | 2013-10-09 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
US14/436,815 US20150268290A1 (en) | 2012-10-24 | 2013-10-09 | Method for On-Line Diagnosing Gradually-Changing Fault of Electronic Current Transformers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210411341.9A CN102967842B (zh) | 2012-10-24 | 2012-10-24 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102967842A CN102967842A (zh) | 2013-03-13 |
CN102967842B true CN102967842B (zh) | 2014-11-05 |
Family
ID=47798116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210411341.9A Active CN102967842B (zh) | 2012-10-24 | 2012-10-24 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150268290A1 (zh) |
CN (1) | CN102967842B (zh) |
WO (1) | WO2014063570A1 (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102967842B (zh) * | 2012-10-24 | 2014-11-05 | 重庆大学 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
CN104076315B (zh) * | 2014-07-14 | 2017-02-15 | 国网河南省电力公司商丘供电公司 | 一种高变比ct极性带负荷校验方法 |
CN104215929B (zh) * | 2014-09-25 | 2017-10-17 | 国家电网公司 | 电子式互感器状态监测*** |
US20160327600A1 (en) * | 2015-05-04 | 2016-11-10 | General Electric Company | Integrated transformer health monitoring architecture |
CN105487037A (zh) * | 2016-01-13 | 2016-04-13 | 济南大学 | 一种基于电气参数的互感器故障诊断方法 |
CN106707008A (zh) * | 2016-12-27 | 2017-05-24 | 成都信息工程大学 | 一种电子式电流互感器及其工作方法 |
CN106849076B (zh) * | 2017-04-14 | 2023-06-23 | 国网宁夏电力有限公司银川供电公司 | 接地故障定线报警式移动变电站 |
CN107103163B (zh) * | 2017-05-26 | 2019-10-25 | 华中科技大学 | 一种基于物理实验确定电流互感器j-a仿真模型的方法 |
CN107171299B (zh) * | 2017-06-07 | 2019-09-06 | 国网四川省电力公司电力科学研究院 | 一种智能变电站继电保护***闭锁判据方法及装置 |
CN107612014B (zh) * | 2017-09-19 | 2020-09-08 | 南京南瑞继保电气有限公司 | 一种换流器控制方法 |
EP3605436B1 (en) * | 2018-07-31 | 2022-03-09 | Schneider Electric Industries SAS | Method for locating phase faults in a microgrid and controller |
CN109901092A (zh) * | 2019-03-05 | 2019-06-18 | 国网重庆市电力公司电力科学研究院 | 一种用于互感器恒定磁场检测的电路设计方法 |
CN110095744B (zh) * | 2019-04-04 | 2021-05-11 | 国网江苏省电力有限公司电力科学研究院 | 一种电子式互感器误差预测方法 |
CN111679238B (zh) * | 2020-06-16 | 2022-07-22 | 国网四川省电力公司电力科学研究院 | 一种直流电流互感器宽频传输特性测试***及方法 |
CN112345884A (zh) * | 2020-11-03 | 2021-02-09 | 国网江苏省电力有限公司盐城供电分公司 | 一种雷电天气下输配电线路故障处理方法 |
CN113589212B (zh) * | 2021-06-24 | 2024-02-06 | 国网河南省电力公司灵宝市供电公司 | 基于最大偏距法确定电流互感器饱和点的方法 |
CN113569423B (zh) * | 2021-08-04 | 2023-08-01 | 国网河北省电力有限公司电力科学研究院 | 微电网联合故障定位方法、终端及存储介质 |
CN114089250B (zh) * | 2021-10-11 | 2024-06-18 | 国电南瑞科技股份有限公司 | 一种电流互感器异常识别与处理方法 |
CN113884975B (zh) * | 2021-11-18 | 2024-04-30 | 福州大学 | 一种基于改进动态线损估计的超差电表检测方法 |
CN114296427B (zh) * | 2021-12-13 | 2024-03-26 | 国网山东省电力公司电力科学研究院 | 一种基于调度主站的远程二次设备模拟量智能诊断方法 |
CN114609572B (zh) * | 2022-03-24 | 2024-03-29 | 国网四川省电力公司营销服务中心 | 基于波动线路损耗的电流互感器变比准确性评估方法 |
CN115469260B (zh) * | 2022-09-29 | 2024-05-17 | 武汉格蓝若智能技术股份有限公司 | 一种基于Hausdorff的电流互感器异常识别方法、*** |
CN115407255B (zh) * | 2022-11-03 | 2023-02-03 | 云南电网有限责任公司 | 一种电流互感器误差在线监测装置及方法 |
CN115616470B (zh) * | 2022-12-20 | 2023-09-22 | 国网福建省电力有限公司 | 电流互感器计量误差状态预测方法、***、设备及介质 |
CN117169800B (zh) * | 2023-10-25 | 2024-02-06 | 华中科技大学 | 一种基于知识引导的电流互感器在线监测方法及装置 |
CN117214592B (zh) * | 2023-11-09 | 2024-03-15 | 国网甘肃省电力公司白银供电公司 | 一种用于电力变压器的故障监测管理***及方法 |
CN117972460A (zh) * | 2024-03-28 | 2024-05-03 | 国网福建省电力有限公司 | 一种高压电流互感器运行故障判别方法 |
CN118131109A (zh) * | 2024-05-06 | 2024-06-04 | 合肥工业大学 | 一种电容式电压互感器误差在线自检测方法及*** |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4602240A (en) * | 1984-03-22 | 1986-07-22 | General Electric Company | Apparatus for and method of attenuating power line carrier communication signals passing between substation distribution lines and transmission lines through substation transformers |
CN101408597A (zh) * | 2007-10-12 | 2009-04-15 | 红相电力(上海)有限公司 | 电流互感器带电校验的方法 |
WO2009147562A2 (en) * | 2008-06-06 | 2009-12-10 | Koninklijke Philips Electronics, N.V. | Electronic ballast and fault protection method |
CN101666841B (zh) * | 2009-09-18 | 2011-04-13 | 重庆大学 | 一种数字化变电站电子式互感器的故障诊断方法 |
CN102082420B (zh) * | 2010-12-08 | 2014-05-07 | 重庆大学 | 输电线路的纵差保护方法 |
WO2012090036A1 (en) * | 2010-12-31 | 2012-07-05 | Abb Technology Ltd | A method and an apparatus for supervision of current transformer in a differential protection system |
CN102967842B (zh) * | 2012-10-24 | 2014-11-05 | 重庆大学 | 一种电子式电流互感器的渐变性故障在线诊断方法 |
-
2012
- 2012-10-24 CN CN201210411341.9A patent/CN102967842B/zh active Active
-
2013
- 2013-10-09 US US14/436,815 patent/US20150268290A1/en not_active Abandoned
- 2013-10-09 WO PCT/CN2013/084913 patent/WO2014063570A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN102967842A (zh) | 2013-03-13 |
US20150268290A1 (en) | 2015-09-24 |
WO2014063570A1 (zh) | 2014-05-01 |
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Owner name: STATE GRID CORPORATION OF CHINA ELECTRIC POWER RES Free format text: FORMER OWNER: ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID CHONGQING ELECTRIC POWER COMPANY Effective date: 20141226 |
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Address after: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee after: Chongqing University Patentee after: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute Address before: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee before: Chongqing University Patentee before: CHONGQING ELECTRIC POWER Research Institute |
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Effective date of registration: 20141226 Address after: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee after: Chongqing University Patentee after: State Grid Corporation of China Patentee after: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute Address before: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee before: Chongqing University Patentee before: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute |