CN101154806A - Route selection method for single-phase ground fault of two-phase TA power distribution network - Google Patents
Route selection method for single-phase ground fault of two-phase TA power distribution network Download PDFInfo
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CNB2007100598299A CN100530883C (en) | 2007-10-11 | 2007-10-11 | Route selection method for single-phase ground fault of two-phase TA power distribution network |
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Cited By (14)
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CN101867191A (en) * | 2010-06-11 | 2010-10-20 | 中国南方电网有限责任公司超高压输电公司 | Method for adaptively regulating and controlling reference voltage value |
CN102005739A (en) * | 2010-08-27 | 2011-04-06 | 昆明理工大学 | Method for identifying extra-high voltage direct current transmission line area inside and outside fault wavelet energy |
CN102253283A (en) * | 2011-06-20 | 2011-11-23 | 山东电力集团公司临沂供电公司 | Island detection method based on wavelet packet energy spectrum |
CN102768326A (en) * | 2012-07-04 | 2012-11-07 | 南京工业大学 | Compensation network single-phase ground fault line selection device and method |
CN103293448A (en) * | 2013-06-05 | 2013-09-11 | 昆明理工大学 | Identification method of single-phase ground fault and virtual grounding based on semi-cycle energy ratio |
CN106646138A (en) * | 2016-12-30 | 2017-05-10 | 北京四方继保自动化股份有限公司 | Method for locating grounding fault of power distribution network based on multi-sample frequency wavelet character energy conversion |
CN107402340A (en) * | 2017-07-28 | 2017-11-28 | 南京南瑞继保电气有限公司 | A kind of single-phase grounded malfunction in grounded system of low current method of discrimination based on energy model |
CN108335011A (en) * | 2017-12-21 | 2018-07-27 | 中国神华能源股份有限公司 | Transient process detection method, the device and system of railway power system |
CN110018401A (en) * | 2019-05-20 | 2019-07-16 | 国网甘肃省电力公司天水供电公司 | A kind of distribution circuit single-phase earth fault localization method |
CN110208655A (en) * | 2019-07-01 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of one-phase earthing failure in electric distribution network model analysis method under grounding through arc mode |
CN112462314A (en) * | 2020-11-25 | 2021-03-09 | 青岛鼎信通讯股份有限公司 | Three-phase voltage measurement asymmetric error elimination method for fault indicator |
CN112684288A (en) * | 2020-12-10 | 2021-04-20 | 国网陕西省电力公司西咸新区供电公司 | Method for realizing small-current single-phase grounding line selection by utilizing three-phase fault signal current |
JP2021081400A (en) * | 2019-11-23 | 2021-05-27 | 清華大学Tsinghua University | Line selection method of one-phase ground fault of distribution line and storage medium capable of performing computer-reading |
CN112986754A (en) * | 2021-05-11 | 2021-06-18 | 国网江西省电力有限公司电力科学研究院 | Small current grounding system fault identification method and device based on data driving |
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2007
- 2007-10-11 CN CNB2007100598299A patent/CN100530883C/en active Active
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867191A (en) * | 2010-06-11 | 2010-10-20 | 中国南方电网有限责任公司超高压输电公司 | Method for adaptively regulating and controlling reference voltage value |
CN102005739A (en) * | 2010-08-27 | 2011-04-06 | 昆明理工大学 | Method for identifying extra-high voltage direct current transmission line area inside and outside fault wavelet energy |
CN102253283A (en) * | 2011-06-20 | 2011-11-23 | 山东电力集团公司临沂供电公司 | Island detection method based on wavelet packet energy spectrum |
CN102768326A (en) * | 2012-07-04 | 2012-11-07 | 南京工业大学 | Compensation network single-phase ground fault line selection device and method |
CN102768326B (en) * | 2012-07-04 | 2015-05-20 | 南京工业大学 | Compensation network single-phase ground fault line selection device and method |
CN103293448A (en) * | 2013-06-05 | 2013-09-11 | 昆明理工大学 | Identification method of single-phase ground fault and virtual grounding based on semi-cycle energy ratio |
CN106646138B (en) * | 2016-12-30 | 2019-08-27 | 北京四方继保自动化股份有限公司 | Distribution net work earthing fault localization method based on the conversion of more sample frequency wavelet character energy |
CN106646138A (en) * | 2016-12-30 | 2017-05-10 | 北京四方继保自动化股份有限公司 | Method for locating grounding fault of power distribution network based on multi-sample frequency wavelet character energy conversion |
CN107402340A (en) * | 2017-07-28 | 2017-11-28 | 南京南瑞继保电气有限公司 | A kind of single-phase grounded malfunction in grounded system of low current method of discrimination based on energy model |
CN107402340B (en) * | 2017-07-28 | 2020-01-10 | 南京南瑞继保电气有限公司 | Energy model-based single-phase earth fault judgment method for small current grounding system |
CN108335011A (en) * | 2017-12-21 | 2018-07-27 | 中国神华能源股份有限公司 | Transient process detection method, the device and system of railway power system |
CN110018401A (en) * | 2019-05-20 | 2019-07-16 | 国网甘肃省电力公司天水供电公司 | A kind of distribution circuit single-phase earth fault localization method |
CN110018401B (en) * | 2019-05-20 | 2021-03-16 | 国网甘肃省电力公司天水供电公司 | Distribution line single-phase earth fault positioning method |
CN110208655A (en) * | 2019-07-01 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of one-phase earthing failure in electric distribution network model analysis method under grounding through arc mode |
CN110208655B (en) * | 2019-07-01 | 2021-11-26 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network single-phase earth fault model analysis method in arc suppression coil grounding mode |
JP2021081400A (en) * | 2019-11-23 | 2021-05-27 | 清華大学Tsinghua University | Line selection method of one-phase ground fault of distribution line and storage medium capable of performing computer-reading |
US11543462B2 (en) | 2019-11-23 | 2023-01-03 | Tsinghua University | Single-phase-to-ground fault line selection method for distribution lines and computer readable storage medium |
CN112462314A (en) * | 2020-11-25 | 2021-03-09 | 青岛鼎信通讯股份有限公司 | Three-phase voltage measurement asymmetric error elimination method for fault indicator |
CN112462314B (en) * | 2020-11-25 | 2023-05-30 | 青岛鼎信通讯股份有限公司 | Three-phase voltage measurement asymmetry error elimination method for fault indicator |
CN112684288A (en) * | 2020-12-10 | 2021-04-20 | 国网陕西省电力公司西咸新区供电公司 | Method for realizing small-current single-phase grounding line selection by utilizing three-phase fault signal current |
CN112986754A (en) * | 2021-05-11 | 2021-06-18 | 国网江西省电力有限公司电力科学研究院 | Small current grounding system fault identification method and device based on data driving |
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CN100530883C (en) | 2009-08-19 |
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Assignee: China Railway Construction Electrification Bureau Group First Engineering Co.,Ltd. Assignor: Tianjin University Contract record no.: 2010410000113 Denomination of invention: Route selection method for single-phase ground fault of two-phase TA power distribution network Granted publication date: 20090819 License type: Exclusive License Open date: 20080402 Record date: 20100917 |
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Change date: 20130617 Contract record no.: 2010410000113 Assignee after: THE 1ST ENGINEERING CO.,LTD. OF CHINA RAILWAY CONSTRUCTION ELECTRIFICATION BUREAU Group Assignee before: China Railway Construction Electrification Bureau Group First Engineering Co.,Ltd. |
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Effective date of registration: 20201123 Address after: 226000 Nantong City, Gangzha province Yongkang Road No. 9, 10, 13, 14 buildings 2, Patentee after: NANTONG HENGLI PACKING TECHNOLOGY CO.,LTD. Address before: Room 402, building 24, Yuzhou Zunfu, Jinghai Town, Jinghai District, Tianjin Patentee before: Tianjin Dingsheng Technology Development Co.,Ltd. Effective date of registration: 20201123 Address after: Room 402, building 24, Yuzhou Zunfu, Jinghai Town, Jinghai District, Tianjin Patentee after: Tianjin Dingsheng Technology Development Co.,Ltd. Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92, Tianjin University Patentee before: Tianjin University |
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