CN100387999C - 电力系统线路故障方向检测保护方法 - Google Patents
电力系统线路故障方向检测保护方法 Download PDFInfo
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- CN100387999C CN100387999C CNB2003101054000A CN200310105400A CN100387999C CN 100387999 C CN100387999 C CN 100387999C CN B2003101054000 A CNB2003101054000 A CN B2003101054000A CN 200310105400 A CN200310105400 A CN 200310105400A CN 100387999 C CN100387999 C CN 100387999C
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CNB2003101054000A CN100387999C (zh) | 2003-11-07 | 2003-11-07 | 电力系统线路故障方向检测保护方法 |
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CNB2003101054000A CN100387999C (zh) | 2003-11-07 | 2003-11-07 | 电力系统线路故障方向检测保护方法 |
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CN1614435A CN1614435A (zh) | 2005-05-11 |
CN100387999C true CN100387999C (zh) | 2008-05-14 |
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Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101483337B (zh) * | 2009-02-25 | 2011-01-05 | 北京盛华宏业科技有限公司 | 配电网架空线路故障自动诊断隔离装置和方法 |
FR2958888B1 (fr) * | 2010-04-19 | 2012-05-11 | Alstom Transport Sa | Procede de detection de defauts sur une ligne d'alimentation de vehicules ferroviaires |
CN101902037B (zh) * | 2010-07-30 | 2012-11-28 | 武汉百叡电力技术有限公司 | 小电流接地系统的一种分布式单相接地故障隔离方法 |
CN101969230B (zh) * | 2010-10-18 | 2014-09-10 | 吕纪文 | 一种供电回路监控装置及系统 |
CN102540012B (zh) * | 2011-12-16 | 2014-01-22 | 广东电网公司佛山供电局 | 小电流接地系统单相接地故障的判定方法及其装置 |
CN102590655B (zh) * | 2012-01-11 | 2014-04-23 | 西安交通大学 | 一种直流输电线路方向故障判别元件及判别方法 |
CN102590654B (zh) * | 2012-01-11 | 2014-01-29 | 西安交通大学 | 一种直流输电线路故障极判别元件及判别方法 |
CN103018630A (zh) * | 2012-11-28 | 2013-04-03 | 福建省电力有限公司 | 配网单相接地故障暂态选线方法 |
CN102944814A (zh) * | 2012-11-28 | 2013-02-27 | 福建省电力有限公司 | 基于暂态信号的配电网单相接地故障定位方法 |
CN103245879B (zh) * | 2013-04-18 | 2015-12-09 | 国家电网公司 | 基于暂态无功功率方向的小电流接地故障定位方法 |
CN103245880B (zh) * | 2013-04-19 | 2015-12-09 | 国家电网公司 | 利用线路等效参数识别原理的小电流接地故障定位方法 |
CN103455951B (zh) * | 2013-08-27 | 2017-05-10 | 国家电网公司 | 基于短路功率方向的继电保护仿真方法 |
CN107817402B (zh) * | 2017-10-27 | 2021-04-06 | 国网四川省电力公司电力科学研究院 | 基于测量波阻抗的直流输电线路故障方向识别方法 |
CN109638793B (zh) * | 2018-12-20 | 2020-06-02 | 国网江苏电力设计咨询有限公司 | 一种适用于小电流接地系统的单相接地故障处理方法 |
CN110412427A (zh) * | 2019-08-21 | 2019-11-05 | 成都信息工程大学 | 一种低压电力故障检测定位系统及故障检测方法 |
CN111426915B (zh) * | 2020-05-11 | 2022-06-07 | 云南电网有限责任公司电力科学研究院 | 一种分布式小电流接地故障定位方法 |
CN112858837B (zh) * | 2021-01-13 | 2022-04-08 | 清华大学 | 一种判断输电线路高阻故障方向的方法及装置 |
CN114113883A (zh) * | 2021-11-13 | 2022-03-01 | 国网辽宁省电力有限公司葫芦岛供电公司 | 一种相不对称接地故障检测方法 |
Citations (5)
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CN1265533A (zh) * | 2000-03-30 | 2000-09-06 | 华中理工大学 | 小电流接地系统接地保护方法 |
EP1074849A2 (en) * | 1999-08-03 | 2001-02-07 | Alstom UK Limited | Fault detection in electrical transmission lines |
DE10139318A1 (de) * | 2001-08-09 | 2003-02-27 | Siemens Ag | Verfahren zur Fehlererkennung in einem elektrischen Strahlennetz, eine Anwendung des Verfahrens und eine Anordnung zur Fehlererkennung in einem elektrischen Strahlennetz |
CN1421704A (zh) * | 2001-11-28 | 2003-06-04 | 淄博科汇电气有限公司 | 电力系统小电流接地故障分段方法 |
CN1423132A (zh) * | 2001-11-28 | 2003-06-11 | 淄博科汇电气有限公司 | 电力系统小电流接地故障选线、分段方法 |
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2003
- 2003-11-07 CN CNB2003101054000A patent/CN100387999C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1074849A2 (en) * | 1999-08-03 | 2001-02-07 | Alstom UK Limited | Fault detection in electrical transmission lines |
CN1265533A (zh) * | 2000-03-30 | 2000-09-06 | 华中理工大学 | 小电流接地系统接地保护方法 |
DE10139318A1 (de) * | 2001-08-09 | 2003-02-27 | Siemens Ag | Verfahren zur Fehlererkennung in einem elektrischen Strahlennetz, eine Anwendung des Verfahrens und eine Anordnung zur Fehlererkennung in einem elektrischen Strahlennetz |
CN1421704A (zh) * | 2001-11-28 | 2003-06-04 | 淄博科汇电气有限公司 | 电力系统小电流接地故障分段方法 |
CN1423132A (zh) * | 2001-11-28 | 2003-06-11 | 淄博科汇电气有限公司 | 电力系统小电流接地故障选线、分段方法 |
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CN1614435A (zh) | 2005-05-11 |
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