CN101291056B - 一种长线模型故障选相方法 - Google Patents
一种长线模型故障选相方法 Download PDFInfo
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- CN101291056B CN101291056B CN2008100913495A CN200810091349A CN101291056B CN 101291056 B CN101291056 B CN 101291056B CN 2008100913495 A CN2008100913495 A CN 2008100913495A CN 200810091349 A CN200810091349 A CN 200810091349A CN 101291056 B CN101291056 B CN 101291056B
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- phase
- fault
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- judged
- phase selection
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Abstract
Description
故障参数 | 电流选相结果 | 单点补偿电压选相结果 | 两点补偿电压选相结果 |
故障点:90%,AGδ=15°,Rg=5Ω | AG | AG | AG |
故障点:90%,AGδ=30°,Rg=10Ω | 选相失败 | CAG | AG |
故障点:40%,AGδ=15°,Rg=5Ω | AG | 选相失败 | AG |
故障点:90%,ABGδ=15°,Rg=5Ω | ABG | ABG | ABG |
故障点:90%,ABGδ=30°,Rg=10Ω | 选相失败 | ABG | ABG |
故障点:40%,ABGδ=15°,Rg=5Ω | ABG | 选相失败 | ABG |
Claims (4)
Priority Applications (1)
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CN2008100913495A CN101291056B (zh) | 2007-04-17 | 2008-04-07 | 一种长线模型故障选相方法 |
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CN200710039521.8 | 2007-04-17 | ||
CN200710039521 | 2007-04-17 | ||
CN2008100913495A CN101291056B (zh) | 2007-04-17 | 2008-04-07 | 一种长线模型故障选相方法 |
Publications (2)
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CN101291056A CN101291056A (zh) | 2008-10-22 |
CN101291056B true CN101291056B (zh) | 2011-06-15 |
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CN2008100913495A Expired - Fee Related CN101291056B (zh) | 2007-04-17 | 2008-04-07 | 一种长线模型故障选相方法 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011113199A1 (zh) * | 2010-03-17 | 2011-09-22 | 南京南瑞继保电气有限公司 | 一种相间距离保护防止过负荷误动的方法 |
CN102520318B (zh) * | 2012-01-04 | 2014-02-05 | 国家电网公司 | 一种输电线路故障识别方法 |
CN102608498B (zh) * | 2012-03-27 | 2014-04-23 | 国网山东省电力公司 | 新能源输电线路故障选相方法 |
CN103151764B (zh) * | 2013-01-31 | 2014-12-31 | 福建省电力有限公司 | 一种输电线路单相接地故障全分量电压保护方法 |
CN103605292B (zh) * | 2013-11-08 | 2017-01-18 | 广东电网公司电力调度控制中心 | 基于rtds的微机保护一体化测试方法 |
CN104753041B (zh) * | 2015-03-20 | 2017-11-24 | 北京四方继保自动化股份有限公司 | 一种考虑弧光电阻影响的相间阻抗整定计算方法 |
CN106841919B (zh) * | 2017-01-25 | 2019-08-06 | 南京磐能电力科技股份有限公司 | 基于三角形计算的高精度输电线路单端测距方法 |
EP3729582B1 (en) | 2017-12-20 | 2022-10-26 | Hitachi Energy Switzerland AG | Phase selection using multi-terminal measurements of a transmission line |
CN109085450B (zh) * | 2018-08-24 | 2020-10-09 | 国网河北省电力有限公司电力科学研究院 | 小电流接地系统故障选相方法及装置 |
WO2022032492A1 (en) * | 2020-08-11 | 2022-02-17 | Abb Schweiz Ag | Method of determining line fault of power system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396688A (zh) * | 2002-08-26 | 2003-02-12 | 北京四方同创保护与控制设备有限公司 | 一种基于故障电压比较故障相电流相位判别的选相方法 |
CN1529178A (zh) * | 2003-10-09 | 2004-09-15 | 武汉大学 | 一种电力系统输电线路故障诊断及选相方法 |
CN1599182A (zh) * | 2004-07-21 | 2005-03-23 | 烟台东方电子信息产业股份有限公司 | 电力系统输电线路故障选相元件 |
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2008
- 2008-04-07 CN CN2008100913495A patent/CN101291056B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396688A (zh) * | 2002-08-26 | 2003-02-12 | 北京四方同创保护与控制设备有限公司 | 一种基于故障电压比较故障相电流相位判别的选相方法 |
CN1529178A (zh) * | 2003-10-09 | 2004-09-15 | 武汉大学 | 一种电力系统输电线路故障诊断及选相方法 |
CN1599182A (zh) * | 2004-07-21 | 2005-03-23 | 烟台东方电子信息产业股份有限公司 | 电力系统输电线路故障选相元件 |
Non-Patent Citations (2)
Title |
---|
张庆超等.基于两相电流变换的小电流接地系统故障选线新方法.《电力系统自动化》.2007,第31卷(第8期),75-79. * |
张艳霞等.相电压补偿式方向比较纵联保护.《天津大学学报》.1996,第29卷(第6期),907-912. * |
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CN101291056A (zh) | 2008-10-22 |
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Assignee: Shanghai Sunrise Power Control System Co., Ltd. Assignor: Shanghai Sunrise Power Automation Co., Ltd. Contract record no.: 2011990000842 Denomination of invention: Faulty phase selection method based on long wire model Granted publication date: 20110615 License type: Exclusive License Open date: 20081022 Record date: 20110831 |
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Owner name: SHANGHAI SUNRISE PROTECTIVE RELAY ELECTRIC CO.,LTD Free format text: FORMER OWNER: SHANGHAI SUNRISE POWER AUTOMATION CO., LTD. Effective date: 20130227 |
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Effective date of registration: 20130227 Address after: 200233 Guiping Road, Xuhui District, No. 470, building 12, building 5, building Patentee after: Shanghai Sunrise Power Technology Co., Ltd. Address before: 200233 Shanghai City, Xuhui District Road No. 159 15 Tianzhou room unit 1301 Patentee before: Shanghai Sunrise Power Automation Co., Ltd. |
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