CN100335912C - 基于模型参数识别的小电流接地选线方法 - Google Patents
基于模型参数识别的小电流接地选线方法 Download PDFInfo
- Publication number
- CN100335912C CN100335912C CNB2004100259031A CN200410025903A CN100335912C CN 100335912 C CN100335912 C CN 100335912C CN B2004100259031 A CNB2004100259031 A CN B2004100259031A CN 200410025903 A CN200410025903 A CN 200410025903A CN 100335912 C CN100335912 C CN 100335912C
- Authority
- CN
- China
- Prior art keywords
- line
- model
- circuit
- fault
- capacitance
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000007935 neutral effect Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 8
- 238000010187 selection method Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 abstract description 9
- 230000001629 suppression Effects 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 4
- 238000013178 mathematical model Methods 0.000 abstract description 2
- 230000007257 malfunction Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 230000008033 biological extinction Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
故障序号 | 线路名 | C | η(%) | 选线结果 | 故障序号 | 线路名 | C | η(%) | 选线结果 |
故障1(线路故障) | 故障线 | 6.23 | 140.76 | 故障线 | 故障3(线路故障) | 故障线 | -0.053 | 3048.3 | 故障线 |
健全线1 | 10.83 | 13.38 | 健全线1 | 11.39 | 13.85 | ||||
健全线2 | 3.1078 | 21.51 | 健全线2 | 11.13 | 13.85 | ||||
健全线3 | 9.27 | 26.21 | 健全线3 | 8.29 | 12.30 | ||||
故障2(线路故障) | 故障线 | -66.4 | 1.35 | 故障线 | 故障4(母线故障) | 健全线1 | 9.50 | 12.03 | 母线 |
健全线1 | 15.74 | 1.088 | 健全线2 | 8.82 | 23.49 |
健全线2 | 16.11 | 0.842 | 健全线3 | 5.11 | 12.20 | ||||
健全线3 | 11.29 | 0.911 | 健全线4 | 9.29 | 11.57 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100259031A CN100335912C (zh) | 2004-03-03 | 2004-03-03 | 基于模型参数识别的小电流接地选线方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100259031A CN100335912C (zh) | 2004-03-03 | 2004-03-03 | 基于模型参数识别的小电流接地选线方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1560645A CN1560645A (zh) | 2005-01-05 |
CN100335912C true CN100335912C (zh) | 2007-09-05 |
Family
ID=34441175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100259031A Expired - Lifetime CN100335912C (zh) | 2004-03-03 | 2004-03-03 | 基于模型参数识别的小电流接地选线方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100335912C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100546144C (zh) * | 2007-11-29 | 2009-09-30 | 昆明理工大学 | 一种利用小波包分解和相关分析的小电流接地系统故障选线方法 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100401306C (zh) * | 2005-12-05 | 2008-07-09 | 华为技术有限公司 | 一种电容等效模型的建模装置和方法 |
CN101201379B (zh) * | 2006-12-11 | 2010-06-23 | 山东科汇电力自动化有限公司 | 电力系统小电流接地故障指示、分段方法 |
CN101593969B (zh) * | 2009-07-03 | 2012-06-20 | 江苏金智科技股份有限公司 | 利用断路器端口残压实现站间防误的方法 |
CN102236061B (zh) * | 2010-04-23 | 2014-04-02 | 安徽合肥瑞德尔电气自动化有限公司 | 小电流接地系统单相接地故障相的验证方法 |
CN102110978A (zh) * | 2011-01-20 | 2011-06-29 | 单立辉 | 高精度小电流智能接地选线方法及装置 |
CN102495327B (zh) * | 2011-12-13 | 2013-10-30 | 广东电网公司珠海供电局 | 一种变电站接地网设计检测方法及装置 |
CN103454555B (zh) * | 2013-08-02 | 2016-03-02 | 西安交通大学 | 基于参数识别的配电网单相接地故障区段定位方法 |
CN103592574B (zh) * | 2013-11-20 | 2016-06-22 | 国家电网公司 | 一种小电流选线的方法及系统 |
CN104181441B (zh) * | 2014-08-21 | 2017-10-20 | 西安交通大学 | 基于模型误差的配电网单相接地故障区段定位方法 |
CN105158644A (zh) * | 2015-09-24 | 2015-12-16 | 珠海许继电气有限公司 | 一种具有配网单相接地故障检测功能的配电自动化终端 |
CN106841924A (zh) * | 2017-03-06 | 2017-06-13 | 西安交通大学 | 基于参数识别的配电网线路绝缘监测方法 |
CN108919046B (zh) * | 2018-05-15 | 2020-11-06 | 国网山东省电力公司济南供电公司 | 一种配电网接地故障试停线路序位决策方法及系统 |
CN108802575A (zh) * | 2018-07-05 | 2018-11-13 | 云南电网有限责任公司电力科学研究院 | 一种基于电力扰动法的线路故障定位方法、装置及系统 |
CN109449896A (zh) * | 2018-11-29 | 2019-03-08 | 西安西瑞控制技术股份有限公司 | 一种开闭所的防越级跳闸方法 |
WO2020194521A1 (ja) * | 2019-03-26 | 2020-10-01 | 日本電気株式会社 | 事故点標定装置、事故点標定システム、事故点標定方法、及び非一時的なコンピュータ可読媒体 |
CN109765463B (zh) * | 2019-03-29 | 2020-10-02 | 云南电网有限责任公司电力科学研究院 | 一种可控电压补偿方式的接地故障消失判别方法 |
CN114034977B (zh) * | 2021-11-10 | 2022-09-20 | 国网山东省电力公司青岛供电公司 | 概率式小电流接地电力系统单相接地辨识方法及系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4812995A (en) * | 1987-05-19 | 1989-03-14 | Girgis Adly A | Adaptive Kalman Filtering in fault classification |
US5446387A (en) * | 1992-10-20 | 1995-08-29 | Asea Brown Boveri Ab | Method and a device for determining a fault on a transmission line |
CN1423132A (zh) * | 2001-11-28 | 2003-06-11 | 淄博科汇电气有限公司 | 电力系统小电流接地故障选线、分段方法 |
CN1472857A (zh) * | 2003-06-11 | 2004-02-04 | 贺家李 | 输电线路纵联保护方法 |
-
2004
- 2004-03-03 CN CNB2004100259031A patent/CN100335912C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4812995A (en) * | 1987-05-19 | 1989-03-14 | Girgis Adly A | Adaptive Kalman Filtering in fault classification |
US5446387A (en) * | 1992-10-20 | 1995-08-29 | Asea Brown Boveri Ab | Method and a device for determining a fault on a transmission line |
CN1423132A (zh) * | 2001-11-28 | 2003-06-11 | 淄博科汇电气有限公司 | 电力系统小电流接地故障选线、分段方法 |
CN1472857A (zh) * | 2003-06-11 | 2004-02-04 | 贺家李 | 输电线路纵联保护方法 |
Non-Patent Citations (2)
Title |
---|
基于暂态零序电流比较的小电流接地选线研究 薛永端、冯祖仁、徐丙垠、陈羽、李京,电力系统自动化,第27卷第9期 2003 * |
小电流接地故障暂态方向保护原理研究 薛永端、徐丙垠、冯祖仁、李天友,中国电机工程学报,第23卷第7期 2003 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100546144C (zh) * | 2007-11-29 | 2009-09-30 | 昆明理工大学 | 一种利用小波包分解和相关分析的小电流接地系统故障选线方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1560645A (zh) | 2005-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100335912C (zh) | 基于模型参数识别的小电流接地选线方法 | |
CN108445349B (zh) | 一种含dg馈线的电流序分量比较式故障区段定位方法 | |
CN1180272C (zh) | 电力系统小电流接地故障选线、分段方法 | |
CN110988740B (zh) | 一种适于中性点小电阻接地配网的单相接地故障检测方法 | |
CN108254657A (zh) | 基于暂态能量分析的配电网小电流接地故障区段定位方法 | |
CN103018627A (zh) | 非有效接地系统故障类型自适应接地选线方法 | |
CN105067948A (zh) | 一种小电流接地选线装置及单相接地检测方法 | |
CN108957225B (zh) | 一种计及电缆分布电容的直流配电线路单端故障测距方法 | |
CN106526415A (zh) | 一种小电流接地系统高阻接地故障选线方法 | |
CN102818973A (zh) | 一种基于相序电压幅值比较的故障选相方法及其装置 | |
CN108196162A (zh) | 模型参数识别的直流配电网单极接地故障线路检测方法 | |
CN109782122A (zh) | 一种s注入信号的检测方法 | |
CN103941149B (zh) | 电气化铁道牵引网故障定位方法 | |
CN103344911B (zh) | 一种高压直流开关开断全过程状态辨识方法 | |
CN112485590A (zh) | 一种配电网单相断线故障识别方法 | |
CN104808112B (zh) | 基于区段瞬时功率的配网线路故障区段定位方法 | |
CN104111381A (zh) | 一种35kV高压并联电力电容器组介损在线监测装置 | |
CN109342885B (zh) | 一种直流配电网线路故障的定位方法及系统 | |
CN103679551A (zh) | 一种配电网潮流在线计算方法 | |
WO2023206897A1 (zh) | 基于电能多维信息融合的单相接地故障辨识方法及系统 | |
CN101534009B (zh) | 交直流互联电网的工频变化量方向保护动作特性分析方法 | |
CN108363031B (zh) | 一种电流互感器二次绕组变比和极性的在线监测方法 | |
CN112595932B (zh) | 一种适用于中压直流配电网的单极故障选线方法 | |
CN107994586B (zh) | 一种高、低压电网电压动态响应解耦方法 | |
CN107968387B (zh) | 基于阻抗平面分析正序极化电压的继电器控制方法 |
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: XI'AN XIRUI ELECTRIC ENGINEERING TECHNOLOGY CO., L Free format text: FORMER OWNER: XI'AN JIAOTONG UNIV. Effective date: 20130805 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710049 XI'AN, SHAANXI PROVINCE TO: 710077 XI'AN, SHAANXI PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130805 Address after: 710077, Shaanxi, Xi'an hi tech Zone, No. 85, No. 2 Road, modern enterprise Center East Patentee after: XI'AN XIRUI ELECTRIC ENGINEERING Co.,Ltd. Address before: 710049 Xianning Road, Shaanxi, China, No. 28, No. Patentee before: Xi'an Jiaotong University |
|
ASS | Succession or assignment of patent right |
Owner name: XI'AN XIRUI PROTECTION CONTROL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XI'AN XIRUI ELECTRIC ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20140520 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140520 Address after: 710077, room 3, building 3, building 2, No. 85, No. 301, Zhang Lu, Xi'an hi tech Zone, Shaanxi, China Patentee after: Xi'an Xirui Protection and Congtrol Equipment Co.,Ltd. Address before: 710077, Shaanxi, Xi'an hi tech Zone, No. 85, No. 2 Road, modern enterprise Center East Patentee before: XI'AN XIRUI ELECTRIC ENGINEERING Co.,Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 710077, room 3, building 3, building 2, No. 85, No. 301, Zhang Lu, Xi'an hi tech Zone, Shaanxi, China Patentee after: XI'AN XIRUI CONTROL TECHNOLOGY Co.,Ltd. Address before: 710077, room 3, building 3, building 2, No. 85, No. 301, Zhang Lu, Xi'an hi tech Zone, Shaanxi, China Patentee before: Xi'an Xirui Protection and Congtrol Equipment Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20070905 |
|
CX01 | Expiry of patent term |