CN102331548B - 一种配网电缆单相接地故障的故障定位方法 - Google Patents
一种配网电缆单相接地故障的故障定位方法 Download PDFInfo
- Publication number
- CN102331548B CN102331548B CN201110144983.2A CN201110144983A CN102331548B CN 102331548 B CN102331548 B CN 102331548B CN 201110144983 A CN201110144983 A CN 201110144983A CN 102331548 B CN102331548 B CN 102331548B
- Authority
- CN
- China
- Prior art keywords
- value
- distribution network
- network cable
- sequence component
- calculating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Locating Faults (AREA)
Abstract
Description
计算单元个数j | 1 | 5 | 10 | 15 | 20 |
计算故障距离/km | 0.783 | 0.966 | 0.986 | 0.993 | 0.996 |
绝对误差/km | 0.217 | 0.034 | 0.014 | 0.007 | 0.004 |
相对误差/(%) | 4.34 | 0.68 | 0.28 | 0.14 | 0.08 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110144983.2A CN102331548B (zh) | 2011-05-31 | 2011-05-31 | 一种配网电缆单相接地故障的故障定位方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110144983.2A CN102331548B (zh) | 2011-05-31 | 2011-05-31 | 一种配网电缆单相接地故障的故障定位方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102331548A CN102331548A (zh) | 2012-01-25 |
CN102331548B true CN102331548B (zh) | 2014-02-26 |
Family
ID=45483391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110144983.2A Active CN102331548B (zh) | 2011-05-31 | 2011-05-31 | 一种配网电缆单相接地故障的故障定位方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102331548B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102778631B (zh) * | 2012-08-13 | 2014-06-18 | 重庆大学 | 基于分压补偿的传感电缆泄漏检测精确定位方法 |
US9002197B2 (en) * | 2012-11-14 | 2015-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Sequence-based link fault localization |
CN103941147B (zh) * | 2013-12-05 | 2016-08-17 | 国家电网公司 | 利用暂态主频分量的配网电缆单相接地故障测距方法 |
CN103837800A (zh) * | 2014-03-18 | 2014-06-04 | 国家电网公司 | 直流输电线路单极接地时故障位置定位方法 |
CN104764921B (zh) * | 2015-03-04 | 2018-08-28 | 国家电网公司 | 基于分布参数模型线路单相接地故障点电压测量方法 |
CN110825923A (zh) * | 2019-10-25 | 2020-02-21 | 袁茂银 | 基于单模型的地下电缆故障修复方法和装置 |
CN111413591B (zh) * | 2020-04-29 | 2021-10-08 | 华中科技大学 | 一种基于电压故障分量分布特性的故障定位方法及装置 |
CN111929611B (zh) * | 2020-07-20 | 2022-03-18 | 南方电网科学研究院有限责任公司 | 基于零模电流差值的配电线路接地故障定位方法和系统 |
CN113484682B (zh) * | 2021-07-15 | 2022-09-09 | 保定市毅格通信自动化有限公司 | 一种基于驻波的配电线路接地故障测距方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1458725A (zh) * | 2003-06-06 | 2003-11-26 | 天津大学 | 配电网馈线单相接地故障依据理论准则实现保护的方法 |
SE0600119L (sv) * | 2006-01-12 | 2007-02-27 | Abb Technology Ltd | Metod och anordning för fellokalisering vid en krafttransmissions- eller distributionsledning med två terminaler |
EP2000811B1 (en) * | 2007-05-18 | 2017-12-13 | ABB Schweiz AG | Method for determining location of phase-to-earth fault |
CN100553065C (zh) * | 2008-02-29 | 2009-10-21 | 重庆大学 | 消弧线圈系统单相接地补偿状态在线监测及调控方法 |
-
2011
- 2011-05-31 CN CN201110144983.2A patent/CN102331548B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102331548A (zh) | 2012-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102331548B (zh) | 一种配网电缆单相接地故障的故障定位方法 | |
CN102967779B (zh) | 一种输电线路分布参数的辨识方法 | |
CN102081132B (zh) | 一种动态条件下的输电线路故障双端测距方法 | |
CN102967842B (zh) | 一种电子式电流互感器的渐变性故障在线诊断方法 | |
CN103399209B (zh) | 一种特高压双极直流输电线路工频参数测量方法 | |
CN103941147B (zh) | 利用暂态主频分量的配网电缆单相接地故障测距方法 | |
CN105738769B (zh) | 基于分布参数模型的串联补偿双回线故障定位方法 | |
CN103792465A (zh) | 一种基于零序电压的配电网单相接地故障测距的方法 | |
CN105929302B (zh) | 基于序分量关系的输电线路单端故障测距方法 | |
CN104062549A (zh) | 分布参数识别法与行波法结合的配网混合线路测距方法 | |
CN103592575A (zh) | 一种基于多传感器系统的自适应加权数据融合故障测距方法 | |
CN106124927A (zh) | 含串联补偿的同杆并架双回线非同步故障测距方法 | |
CN104898021A (zh) | 一种基于k-means聚类分析的配电网故障选线方法 | |
WO2021143072A1 (zh) | 一种基于比幅原理的线路双端稳态量测距方法和系统 | |
CN105652151A (zh) | 基于线路参数检测与数据非同步校验的双端测距方法 | |
CN103954885A (zh) | 基于分布参数的双回线故障单端定位系统及定位方法 | |
CN105891669A (zh) | 基于过渡电阻实测的线路单相接地故障测距方法 | |
CN102129011A (zh) | 一种抗分布电容电流和故障电阻的线路相间故障单端测距方法 | |
CN103809079A (zh) | 一种适用于直流配电网络的双端高频阻抗式故障测距方法 | |
CN105738772A (zh) | 基于功率及频率波动相位的强迫扰动源定位方法 | |
CN107037324B (zh) | 基于单端电气量的不受过渡电阻影响的故障测距方法 | |
CN108845233A (zh) | 配电网架空线路单相接地双端检测定位方法 | |
CN102116821A (zh) | 基于工频相量的输电线路故障点的定位方法 | |
CN104198889B (zh) | 基于相继动作的高压线路瞬时性接地故障单端测距方法 | |
CN103217623A (zh) | 与过渡电阻和负荷电流无关的线路双端故障测距方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA ELECTRIC POWER RES Free format text: FORMER OWNER: ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID CHONGQING ELECTRIC POWER COMPANY CHONGQING NEW SHIJIE ELECTRIC CO., LTD. Effective date: 20140515 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee after: Chongqing University Patentee after: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute Patentee after: CHONGQING XINSHIJIE ELECTRICAL CO.,LTD. Address before: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee before: Chongqing University Patentee before: Chongqing Electric Power Research Institute Patentee before: CHONGQING XINSHIJIE ELECTRICAL CO.,LTD. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140515 Address after: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee after: Chongqing University Patentee after: State Grid Corporation of China Patentee after: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute Patentee after: CHONGQING XINSHIJIE ELECTRICAL CO.,LTD. Address before: 400044 6 teaching 110-2 laboratory, A District, Shapingba District, Chongqing, China Patentee before: Chongqing University Patentee before: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER Research Institute Patentee before: CHONGQING XINSHIJIE ELECTRICAL CO.,LTD. |