CN103278743B - 一种基于故障信息的高阻接地故障辨识与定位方法 - Google Patents
一种基于故障信息的高阻接地故障辨识与定位方法 Download PDFInfo
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- CN103278743B CN103278743B CN201310198895.XA CN201310198895A CN103278743B CN 103278743 B CN103278743 B CN 103278743B CN 201310198895 A CN201310198895 A CN 201310198895A CN 103278743 B CN103278743 B CN 103278743B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims abstract description 6
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Locating Faults (AREA)
Abstract
Description
项目 | 甲侧 | 乙侧 |
电流变化量启动值/A | 1.00 | 1.00 |
零序起动电流/A | 0.5 | 0.5 |
差动电流高定值/A | 1.50 | 1.50 |
差动电流低定值/A | 1.35 | 1.35 |
零序过流II段/A | 1.80/3s | 4.7/2.5s |
零序过流III段/A | 1.00/5s | 1.3/4.5s |
零序过流加速/A | 3.5 | 3.5 |
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CN201310198895.XA CN103278743B (zh) | 2013-05-24 | 2013-05-24 | 一种基于故障信息的高阻接地故障辨识与定位方法 |
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CN201310198895.XA CN103278743B (zh) | 2013-05-24 | 2013-05-24 | 一种基于故障信息的高阻接地故障辨识与定位方法 |
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CN103278743A CN103278743A (zh) | 2013-09-04 |
CN103278743B true CN103278743B (zh) | 2015-05-27 |
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103795144B (zh) * | 2013-11-22 | 2015-09-30 | 深圳供电局有限公司 | 基于故障录波数据的电力系统扰动发生时刻的辨识方法 |
CN103837795B (zh) * | 2014-02-18 | 2014-12-03 | 国网山东省电力公司 | 基于广域故障录波信息的调度端电网故障诊断方法 |
CN103971292B (zh) * | 2014-04-24 | 2015-05-13 | 国家电网公司 | 基于实时站内图映射的故障准确辨识方法 |
CN104198884B (zh) * | 2014-08-06 | 2015-04-08 | 国网山东省电力公司 | 基于差动原理的大规模电网智能故障诊断方法 |
CN104316791A (zh) * | 2014-10-21 | 2015-01-28 | 国家电网公司 | 一种输电线路高阻接地故障原因分析查找方法 |
CN108051693A (zh) * | 2017-12-14 | 2018-05-18 | 国网陕西省电力公司电力科学研究院 | 一种基于tas装置的提高接地故障判断准确性的方法 |
CN109946562A (zh) * | 2017-12-20 | 2019-06-28 | 中国电力科学研究院有限公司 | 一种配电网故障定位方法和系统 |
CN108469573A (zh) * | 2018-03-21 | 2018-08-31 | 国网河南省电力公司漯河供电公司 | 一种小电流接地系统利用误差分量选相的方法 |
CN109142967B (zh) * | 2018-07-17 | 2021-12-17 | 中国电力科学研究院有限公司 | 一种用于电网线路的变时限距离保护测距方法和装置 |
CN111693818B (zh) * | 2019-03-15 | 2024-05-14 | 中国电力科学研究院有限公司 | 一种配电线路保护方法和装置 |
CN112418593A (zh) * | 2020-09-23 | 2021-02-26 | 深圳供电局有限公司 | 电力系统保护动作分析报告生成方法、装置和录波器 |
CN112531656B (zh) * | 2020-11-20 | 2021-08-31 | 广东电网有限责任公司 | 一种输电线路高阻接地故障继电保护系统 |
CN113078611B (zh) * | 2021-03-29 | 2023-01-03 | 太原理工大学 | 基于零序电流投影分量比值的小电阻接地系统故障保护方法 |
CN117269664B (zh) * | 2023-08-18 | 2024-05-03 | 国家电网有限公司华东分部 | 风电场线路故障点的定位方法、装置及电子设备 |
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CN101187687A (zh) * | 2007-12-21 | 2008-05-28 | 清华大学 | 基于暂态行波的高阻接地故障检测方法 |
CN101673941A (zh) * | 2009-08-20 | 2010-03-17 | 北京四方继保自动化股份有限公司 | 一种零序电流差动保护方法 |
CN102331544A (zh) * | 2011-07-28 | 2012-01-25 | 广东电网公司电力科学研究院 | 一种输电线路高阻接地与金属性接地故障的辨别方法 |
CN202583375U (zh) * | 2010-10-09 | 2012-12-05 | 洛克威尔自动控制技术股份有限公司 | 用于检测高阻接地网络中的接地故障的系统 |
CN102998592A (zh) * | 2011-09-13 | 2013-03-27 | 中国二十冶集团有限公司 | 电缆高阻故障点位置判定方法 |
Family Cites Families (2)
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US7085659B2 (en) * | 2004-10-15 | 2006-08-01 | Abb Technology Ag | Dynamic energy threshold calculation for high impedance fault detection |
US7720619B2 (en) * | 2006-08-04 | 2010-05-18 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for detecting high-impedance faults in a multi-grounded power distribution system |
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2013
- 2013-05-24 CN CN201310198895.XA patent/CN103278743B/zh active Active
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CN101187687A (zh) * | 2007-12-21 | 2008-05-28 | 清华大学 | 基于暂态行波的高阻接地故障检测方法 |
CN101673941A (zh) * | 2009-08-20 | 2010-03-17 | 北京四方继保自动化股份有限公司 | 一种零序电流差动保护方法 |
CN202583375U (zh) * | 2010-10-09 | 2012-12-05 | 洛克威尔自动控制技术股份有限公司 | 用于检测高阻接地网络中的接地故障的系统 |
CN102331544A (zh) * | 2011-07-28 | 2012-01-25 | 广东电网公司电力科学研究院 | 一种输电线路高阻接地与金属性接地故障的辨别方法 |
CN102998592A (zh) * | 2011-09-13 | 2013-03-27 | 中国二十冶集团有限公司 | 电缆高阻故障点位置判定方法 |
Non-Patent Citations (1)
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利用微机故障录波数据进行准确的高阻接地故障定位;王绪昭等;《继电器》;19891231(第03期);正文第5页第1段,第6页第3段至倒数第1段,图1 * |
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Inventor after: Li Naiyong Inventor after: Zhao Binchao Inventor after: Li Yudun Inventor after: Wang Hong Inventor after: Wang Cuan Inventor after: Gao Wenlong Inventor after: Zhang Guohui Inventor after: Sun Yuntao Inventor after: Huang Bingqing Inventor after: Zhang Wanjie Inventor after: Yang Chao Inventor after: Wang Jun Inventor before: Wang Cuan Inventor before: Li Naiyong |
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Free format text: CORRECT: INVENTOR; FROM: WANG XIN LI NAIYONG TO: LI NAIYONG WANG XIN GAO WENLONG ZHANG GUOHUI SUN YUNTAO HUANG BINGQING ZHANG WANJIE YANG CHAO WANG JUN ZHAO BINCHAO LI YUDUN WANG HONG |
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