CN1797888A - 一种正负序故障分量方向和零序功率方向判别方法 - Google Patents
一种正负序故障分量方向和零序功率方向判别方法 Download PDFInfo
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CNB2004101024387A CN100395933C (zh) | 2004-12-24 | 2004-12-24 | 一种正负序故障分量方向和零序功率方向判别方法 |
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CNB2004101024387A CN100395933C (zh) | 2004-12-24 | 2004-12-24 | 一种正负序故障分量方向和零序功率方向判别方法 |
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CN1797888A true CN1797888A (zh) | 2006-07-05 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101539606B (zh) * | 2009-04-08 | 2010-10-27 | 烟台东方电子信息产业股份有限公司 | 一种电力系统继电保护的故障方向判定方法 |
CN101881792A (zh) * | 2010-06-12 | 2010-11-10 | 重庆电力科学试验研究院 | 一种电力系统瞬变正弦信号的序分量获取方法 |
CN103326330A (zh) * | 2013-07-04 | 2013-09-25 | 文杰 | 基于突变量阻抗原理的差动保护装置 |
CN103728537A (zh) * | 2013-12-24 | 2014-04-16 | 海南电网公司 | 一种无电压死区的故障方向判别系统及判别方法 |
CN105353251A (zh) * | 2015-11-23 | 2016-02-24 | 国家电网公司 | 一种适用于风电接入系统的故障方向判断方法 |
CN110244181A (zh) * | 2019-06-26 | 2019-09-17 | 中国电力工程顾问集团中南电力设计院有限公司 | 海上风电场集电线路海缆电气故障定位方法及其装置 |
CN115133510A (zh) * | 2022-08-22 | 2022-09-30 | 国网安徽省电力有限公司巢湖市供电公司 | 一种用于含有分布式电源网络的配电网保护方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4825327A (en) * | 1987-11-12 | 1989-04-25 | General Electric Company | Negative and zero sequence directional overcurrent unit for AC power transmission line protection |
US5349490A (en) * | 1992-10-15 | 1994-09-20 | Schweitzer Engineering Laboratories, Inc. | Negative sequence directional element for a relay useful in protecting power transmission lines |
US6239959B1 (en) * | 1999-06-30 | 2001-05-29 | General Electric Company | Ground distance relay for AC power transmission line protection |
US6583996B2 (en) * | 2001-11-14 | 2003-06-24 | Ballard Power Systems Corporation | Method and system for detecting a negative sequence for three phase grid-connected inverter systems |
CN100349353C (zh) * | 2002-04-05 | 2007-11-14 | 清华大学 | 补偿动态三相不平衡负荷的方法及补偿装置 |
US7123459B2 (en) * | 2003-04-07 | 2006-10-17 | Schweitzer Engineering Laboratories, Inc. | Protective relay capable of protection applications without protection settings |
CN100463324C (zh) * | 2003-05-20 | 2009-02-18 | 西安交通大学 | 基于故障类型的故障分量提取方法 |
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2004
- 2004-12-24 CN CNB2004101024387A patent/CN100395933C/zh not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101539606B (zh) * | 2009-04-08 | 2010-10-27 | 烟台东方电子信息产业股份有限公司 | 一种电力系统继电保护的故障方向判定方法 |
CN101881792A (zh) * | 2010-06-12 | 2010-11-10 | 重庆电力科学试验研究院 | 一种电力系统瞬变正弦信号的序分量获取方法 |
CN101881792B (zh) * | 2010-06-12 | 2012-06-20 | 重庆电力科学试验研究院 | 一种电力系统瞬变正弦信号的序分量获取方法 |
CN103326330A (zh) * | 2013-07-04 | 2013-09-25 | 文杰 | 基于突变量阻抗原理的差动保护装置 |
CN103326330B (zh) * | 2013-07-04 | 2015-08-12 | 文杰 | 基于突变量阻抗原理的差动保护装置 |
CN103728537A (zh) * | 2013-12-24 | 2014-04-16 | 海南电网公司 | 一种无电压死区的故障方向判别系统及判别方法 |
CN103728537B (zh) * | 2013-12-24 | 2016-03-02 | 海南电网公司 | 一种无电压死区的故障方向判别系统及判别方法 |
CN105353251A (zh) * | 2015-11-23 | 2016-02-24 | 国家电网公司 | 一种适用于风电接入系统的故障方向判断方法 |
CN105353251B (zh) * | 2015-11-23 | 2018-06-29 | 国家电网公司 | 一种适用于风电接入系统的故障方向判断方法 |
CN110244181A (zh) * | 2019-06-26 | 2019-09-17 | 中国电力工程顾问集团中南电力设计院有限公司 | 海上风电场集电线路海缆电气故障定位方法及其装置 |
CN110244181B (zh) * | 2019-06-26 | 2021-08-13 | 中国电力工程顾问集团中南电力设计院有限公司 | 海上风电场集电线路海缆电气故障定位方法及其装置 |
CN115133510A (zh) * | 2022-08-22 | 2022-09-30 | 国网安徽省电力有限公司巢湖市供电公司 | 一种用于含有分布式电源网络的配电网保护方法 |
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CN100395933C (zh) | 2008-06-18 |
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Assignee: Henan Wanli Transportation Co., Ltd. Assignor: Xuji Group Co., Ltd.|Xuji Electric Co., Ltd. Contract fulfillment period: 2008.11.18 to 2015.11.18 Contract record no.: 2008410000214 Denomination of invention: Method for discriminating directions of fault components in positive / negative sequence, and direction of homopolar power Granted publication date: 20080618 License type: Exclusive license Record date: 20081217 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.18 TO 2015.11.18; CHANGE OF CONTRACT Name of requester: HENAN WANLIYUNYE CO.,LTD. Effective date: 20081217 |
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Owner name: XUJI ELECTRIC CO., LTD. STATE GRID CORPORATION OF Free format text: FORMER OWNER: XUJI ELECTRIC CO., LTD. Effective date: 20121205 |
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Effective date of registration: 20121205 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Group Co., Ltd. Patentee after: Xuji Electric Co., Ltd. Patentee after: State Grid Corporation of China Address before: 461000 No. 178, Jianshe Road, Henan, Xuchang Patentee before: Xuji Group Co., Ltd. Patentee before: Xuji Electric Co., Ltd. |
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