CN102621451B - 基于瞬时信号法的配电线路单相接地故障检测方法 - Google Patents
基于瞬时信号法的配电线路单相接地故障检测方法 Download PDFInfo
- Publication number
- CN102621451B CN102621451B CN201210088222.4A CN201210088222A CN102621451B CN 102621451 B CN102621451 B CN 102621451B CN 201210088222 A CN201210088222 A CN 201210088222A CN 102621451 B CN102621451 B CN 102621451B
- Authority
- CN
- China
- Prior art keywords
- earth fault
- phase
- momentary
- current
- disappear
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000001052 transient effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210088222.4A CN102621451B (zh) | 2012-03-28 | 2012-03-28 | 基于瞬时信号法的配电线路单相接地故障检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210088222.4A CN102621451B (zh) | 2012-03-28 | 2012-03-28 | 基于瞬时信号法的配电线路单相接地故障检测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102621451A CN102621451A (zh) | 2012-08-01 |
CN102621451B true CN102621451B (zh) | 2016-01-06 |
Family
ID=46561482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210088222.4A Active CN102621451B (zh) | 2012-03-28 | 2012-03-28 | 基于瞬时信号法的配电线路单相接地故障检测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102621451B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103149494B (zh) * | 2013-02-06 | 2014-12-10 | 西安理工大学 | 三相电网电压短路故障诊断方法 |
CN103163416B (zh) * | 2013-03-28 | 2015-04-01 | 国家电网公司 | 一种分支线路单相接地故障检测方法及装置 |
CN103605357B (zh) * | 2013-11-20 | 2016-01-13 | 南京南瑞集团公司 | 配电网分界开关控制装置的测试*** |
CN103558502B (zh) * | 2013-11-21 | 2017-05-24 | 国家电网公司 | 一种单相接地故障检测电路、方法以及*** |
CN104215929B (zh) * | 2014-09-25 | 2017-10-17 | 国家电网公司 | 电子式互感器状态监测*** |
CN105403779B (zh) * | 2015-09-29 | 2019-01-04 | 昆明理工大学 | 一种基于极线电流梯度和的直流线路故障识别方法 |
CN105372478B (zh) * | 2015-09-30 | 2018-08-10 | 成都协瑞珂科技有限公司 | 配电线路暂态接地电流检测方法及装置 |
CN105162088B (zh) * | 2015-10-19 | 2016-06-15 | 广东求精电气有限公司 | 一种10kV电缆网馈线的配电站故障自动检测*** |
CN112731065A (zh) * | 2020-12-31 | 2021-04-30 | 上海宏力达信息技术股份有限公司 | 一种接地基准暂态特征的单相接地故障研判方法及*** |
CN112909901B (zh) * | 2021-01-25 | 2022-09-09 | 南京国电南自电网自动化有限公司 | 一种配电网线路自适应重合闸方法及存储介质 |
CN114002547B (zh) * | 2021-10-25 | 2024-02-02 | 国网湖北省电力有限公司恩施供电公司 | 一种用于互感器二次多点接地故障判定设备及分析算法 |
CN114113747B (zh) * | 2021-11-19 | 2024-04-09 | 云南电网有限责任公司电力科学研究院 | 一种tmr传感器的直流电流暂态阶跃标准器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59135377A (ja) * | 1983-01-24 | 1984-08-03 | Fuji Electric Co Ltd | 三相送配電線路の地絡故障点標定方法 |
CN1295254A (zh) * | 1999-11-08 | 2001-05-16 | 赵世红 | 供电线路单相接地故障显示方法及所用仪器 |
CN101871986A (zh) * | 2009-04-23 | 2010-10-27 | 上海市南供电设计有限公司 | 一种中压配电网单相稳定接地的识别方法 |
CN202166711U (zh) * | 2011-07-25 | 2012-03-14 | 北京瑞科思创科技有限公司 | 一种输配电线路单相接地故障检测设备 |
CN202533542U (zh) * | 2012-03-28 | 2012-11-14 | 北京水木源华电气有限公司 | 基于瞬时信号法的配电线路单相接地故障检测*** |
-
2012
- 2012-03-28 CN CN201210088222.4A patent/CN102621451B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59135377A (ja) * | 1983-01-24 | 1984-08-03 | Fuji Electric Co Ltd | 三相送配電線路の地絡故障点標定方法 |
CN1295254A (zh) * | 1999-11-08 | 2001-05-16 | 赵世红 | 供电线路单相接地故障显示方法及所用仪器 |
CN101871986A (zh) * | 2009-04-23 | 2010-10-27 | 上海市南供电设计有限公司 | 一种中压配电网单相稳定接地的识别方法 |
CN202166711U (zh) * | 2011-07-25 | 2012-03-14 | 北京瑞科思创科技有限公司 | 一种输配电线路单相接地故障检测设备 |
CN202533542U (zh) * | 2012-03-28 | 2012-11-14 | 北京水木源华电气有限公司 | 基于瞬时信号法的配电线路单相接地故障检测*** |
Non-Patent Citations (2)
Title |
---|
徐丙垠等.小电流接地故障监测新技术.《中国城市供电学术年会论文集 》.2005,203-209. * |
谭享波.小电流接地***馈线故障定位***的研究.《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》.2004,(第4期), * |
Also Published As
Publication number | Publication date |
---|---|
CN102621451A (zh) | 2012-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102621451B (zh) | 基于瞬时信号法的配电线路单相接地故障检测方法 | |
US10910826B2 (en) | Voltage derivative and zero-sequence broken conductor detection | |
CN110190591B (zh) | 一种单相接地故障自动处理方法及处理*** | |
CN102937687B (zh) | 中性点经小电阻接地时断线故障与接地故障的区分方法 | |
CN104251959A (zh) | 一种用于检测和定位配电网单相接地故障的方法及装置 | |
CN103018630A (zh) | 配网单相接地故障暂态选线方法 | |
CN104678260A (zh) | 一种小电流接地***单相接地选线的***及方法 | |
CN104101812A (zh) | 一种小电流接地配电网单相接地故障检测定位方法与*** | |
CN101478149A (zh) | 一种基于暂态量信号的配电网单相接地故障选线方法 | |
CN102788933A (zh) | 利用自动拉路控制器查找电网小电流单相接地故障的方法 | |
CN101505053B (zh) | 一种基于用户分界断路器成套装置的配电网线路保护方法 | |
CN205544206U (zh) | 智能pt消谐选相的装置 | |
CN103245879A (zh) | 基于暂态无功功率方向的小电流接地故障定位方法 | |
CN105356441A (zh) | 智能pt消谐选相的方法和装置 | |
CN101699707B (zh) | 一种分布式低压供电***剩余电流保护方法 | |
CN107561408B (zh) | 一种提高小电流接地故障选线准确率的方法 | |
CN102998582A (zh) | 配电线路相间短路故障以及单相接地故障的检测方法 | |
CN112534280A (zh) | 用于使用正序和负序电压变化来定位在多相电网上的故障的***和方法 | |
CN102624090B (zh) | 基于电子式互感器的智能高压配电开关 | |
CN102540009A (zh) | 一种配电网故障定位*** | |
CN202978426U (zh) | 一种基于配电自动化的故障检测终端 | |
CN102969695B (zh) | 中性点经小电阻接地方式时的接地预告方法 | |
CN110542829A (zh) | 用于35kV以下配电网的直流接地判断装置及判断方法 | |
CN106370961B (zh) | 基于电容负荷注入的变电站小电流接地故障选线方法 | |
CN106324430B (zh) | 基于电阻负荷注入的变电站小电流接地故障选线方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
CB02 | Change of applicant information |
Address after: 100083 Beijing City, Yongfeng industrial base, Yongfeng Road, No. 5, No. 1, Lou Yongfeng science and technology enterprises to speed up the district (district two) Room 301 Applicant after: BEIJING SEMEUREKA ELECTRICS Co.,Ltd. Address before: 100083 Beijing City, Yongfeng industrial base, Yongfeng Road, No. 5, No. 1, Lou Yongfeng science and technology enterprises to speed up the district (district two) Room 301 Applicant before: BEIJING SHUIMU YUANHUA ELECTRIC Co.,Ltd. |
|
COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301 Patentee after: SHUIMU YUANHUA ELECTRIC Co.,Ltd. Address before: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301 Patentee before: BEIJING SHUIMU YUANHUA ELECTRIC Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP03 | Change of name, title or address |
Address after: 100083 Building No. 1, No. 5, Yongfeng Road, Haidian District, Beijing 301 Patentee after: BEIJING SHUIMU YUANHUA ELECTRIC Co.,Ltd. Address before: 100083 Beijing Haidian District Yongfeng industrial base No. 5 Yongfeng Road 5, Lou Yongfeng science and technology enterprise acceleration zone (two district) 301 room. Patentee before: BEIJING SEMEUREKA ELECTRICS Co.,Ltd. |
|
CP03 | Change of name, title or address |