CN1141768C - Digital travelling wave protection method for power transmission line and its relay and protection system - Google Patents
Digital travelling wave protection method for power transmission line and its relay and protection system Download PDFInfo
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- CN1141768C CN1141768C CNB01143449XA CN01143449A CN1141768C CN 1141768 C CN1141768 C CN 1141768C CN B01143449X A CNB01143449X A CN B01143449XA CN 01143449 A CN01143449 A CN 01143449A CN 1141768 C CN1141768 C CN 1141768C
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB01143449XA CN1141768C (en) | 2001-12-28 | 2001-12-28 | Digital travelling wave protection method for power transmission line and its relay and protection system |
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CNB01143449XA CN1141768C (en) | 2001-12-28 | 2001-12-28 | Digital travelling wave protection method for power transmission line and its relay and protection system |
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Publication Number | Publication Date |
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CN1356752A CN1356752A (en) | 2002-07-03 |
CN1141768C true CN1141768C (en) | 2004-03-10 |
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CNB01143449XA Expired - Lifetime CN1141768C (en) | 2001-12-28 | 2001-12-28 | Digital travelling wave protection method for power transmission line and its relay and protection system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100416965C (en) * | 2004-10-12 | 2008-09-03 | 昆明理工大学 | Method for detecting voltage zero cross near fault in travelling wave protection |
CN100527557C (en) * | 2006-06-16 | 2009-08-12 | 昆明理工大学 | Ripple switching protection with different power-supply line switching |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100463327C (en) * | 2003-01-09 | 2009-02-18 | 西安交通大学 | High voltage circuit phase selection based on pallern identification |
CN100365899C (en) * | 2003-12-30 | 2008-01-30 | 上海交通大学 | High roltage circuit high resistance grounding protective method |
CN100409018C (en) * | 2004-06-25 | 2008-08-06 | 许继电气股份有限公司 | Self-adaptable dicrimination for permanent fault of high-voltage electrical network |
CN100416959C (en) * | 2004-10-18 | 2008-09-03 | 昆明理工大学 | Traveling wave protective data acquisition plan considering asynchronous switching of 3-phase breaker |
CA2626162C (en) * | 2005-10-28 | 2013-11-26 | S & C Electric Company | Fault protection system and method for an electrical power distribution system |
CN100461575C (en) * | 2006-07-21 | 2009-02-11 | 重庆大学 | Fault line selecting method for distribution system single phase earthing |
CN101187687B (en) * | 2007-12-21 | 2010-09-08 | 清华大学 | High resistance earthing fault detection method based on transient traveling wave |
CN101510092B (en) * | 2009-03-27 | 2012-06-20 | 天津大学 | Remote control system for water electrolytic hydrogen production |
CN101666841B (en) * | 2009-09-18 | 2011-04-13 | 重庆大学 | Fault diagnosis method of digitalizing transformer substation electronic transducer |
CN102280866A (en) * | 2011-02-10 | 2011-12-14 | 清华大学 | Traveling wave data acquisition and processing device |
CN102122815B (en) * | 2011-02-28 | 2014-05-14 | 清华大学 | Ultra high-speed traveling wave direction pilot protection method, device and system for high voltage transmission line |
CN102904229B (en) * | 2012-10-24 | 2015-01-14 | 同济大学 | Power distribution network boundary protection method based on secondary-side wave trapper |
CN103855693A (en) * | 2014-03-31 | 2014-06-11 | 国网上海市电力公司 | Relay protection system for 10-kilovolt two-stage switching station and method |
CN104393581B (en) * | 2014-11-05 | 2018-03-06 | 昆明理工大学 | A kind of triangle looped network transient cell protection method using voltage x current Sudden Changing Rate wavelet coefficient correlation analysis |
CN105223471A (en) * | 2015-10-15 | 2016-01-06 | 东南大学 | Based on power transmission line fault locating method, the protective relaying device of line parameter circuit value |
CN105334426B (en) * | 2015-10-23 | 2018-06-15 | 清华大学 | The processing method and processing unit of transmission line malfunction traveling wave |
CN105738771B (en) * | 2016-04-01 | 2019-07-05 | 昆明理工大学 | A kind of one-end fault ranging method based on the route containing TCSC of distribution character along fault traveling wave |
CN109782162A (en) * | 2017-11-15 | 2019-05-21 | 中国电力科学研究院有限公司 | A kind of phase modifier fracture breaker arcing fault dynamic simulator system and method |
CN114006359B (en) * | 2021-11-04 | 2024-01-16 | 全球能源互联网研究院有限公司 | Rapid protection method and system |
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2001
- 2001-12-28 CN CNB01143449XA patent/CN1141768C/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100416965C (en) * | 2004-10-12 | 2008-09-03 | 昆明理工大学 | Method for detecting voltage zero cross near fault in travelling wave protection |
CN100527557C (en) * | 2006-06-16 | 2009-08-12 | 昆明理工大学 | Ripple switching protection with different power-supply line switching |
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Publication number | Publication date |
---|---|
CN1356752A (en) | 2002-07-03 |
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Owner name: NANJING GUODIAN NANJING-AUTOMATION POWER GRID AUTO Free format text: FORMER OWNER: NANJING AUTOMATION CO., LTD., CHINA ELECTRONICS CORP. Effective date: 20130221 |
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Effective date of registration: 20130221 Address after: 100084 Beijing City, Haidian District Tsinghua Yuan Patentee after: Tsinghua University Patentee after: Nanjing Guodian Nanjing Grid Automation Co., Ltd. Address before: 100084 Haidian District Tsinghua University Beijing Patentee before: Tsinghua University Patentee before: Nanjing Automation Co., Ltd., China Electronics Corp. |
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Granted publication date: 20040310 |
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