CN103487724A - 一种配电网单相接地故障定位方法 - Google Patents
一种配电网单相接地故障定位方法 Download PDFInfo
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- CN103487724A CN103487724A CN201310412743.5A CN201310412743A CN103487724A CN 103487724 A CN103487724 A CN 103487724A CN 201310412743 A CN201310412743 A CN 201310412743A CN 103487724 A CN103487724 A CN 103487724A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000001052 transient effect Effects 0.000 claims abstract description 12
- 230000004807 localization Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000007935 neutral effect Effects 0.000 description 9
- 230000001629 suppression Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
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- 238000000691 measurement method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
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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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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105891666A (zh) * | 2014-11-10 | 2016-08-24 | 蒋春敏 | 基于网络拓扑的配电网单相接地故障定位方法 |
CN106771870A (zh) * | 2016-12-26 | 2017-05-31 | 北京国电通网络技术有限公司 | 一种配电网接地故障定位方法及系统 |
CN111830366A (zh) * | 2020-06-20 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | 一种基于新暂态特征值的电网故障定位方法 |
CN113325264A (zh) * | 2021-04-28 | 2021-08-31 | 威胜信息技术股份有限公司 | 一种基于自适应差值接地算法的配电网故障保护方法 |
CN114778997A (zh) * | 2022-03-01 | 2022-07-22 | 贵州电网有限责任公司 | 一种中性点经消弧线圈接地系统中利用故障电流对时间导数判断故障点熄弧时刻的方法 |
Citations (8)
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WO1997008562A1 (en) * | 1995-08-23 | 1997-03-06 | Abb Research Ltd. | Method of locating a single-phase ground fault in a power distribution network |
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CN101369727A (zh) * | 2008-10-15 | 2009-02-18 | 中国矿业大学 | 一种针对电弧接地故障的选线方法 |
CN101814731A (zh) * | 2010-04-15 | 2010-08-25 | 中国石油大学(华东) | 一种应用非工频暂态分量的配电网故障选线方法 |
CN102540009A (zh) * | 2010-12-23 | 2012-07-04 | 上海蓝瑞电气有限公司 | 一种配电网故障定位系统 |
CN102788936A (zh) * | 2012-09-03 | 2012-11-21 | 安徽理工大学 | 一种小电流接地故障选线方法 |
CN102866327A (zh) * | 2012-09-13 | 2013-01-09 | 山西省电力公司大同供电分公司 | 一种小电流接地系统故障暂态行波检测装置及方法 |
CN103018630A (zh) * | 2012-11-28 | 2013-04-03 | 福建省电力有限公司 | 配网单相接地故障暂态选线方法 |
-
2013
- 2013-09-12 CN CN201310412743.5A patent/CN103487724A/zh active Pending
Patent Citations (8)
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WO1997008562A1 (en) * | 1995-08-23 | 1997-03-06 | Abb Research Ltd. | Method of locating a single-phase ground fault in a power distribution network |
CN1421704A (zh) * | 2001-11-28 | 2003-06-04 | 淄博科汇电气有限公司 | 电力系统小电流接地故障分段方法 |
CN101369727A (zh) * | 2008-10-15 | 2009-02-18 | 中国矿业大学 | 一种针对电弧接地故障的选线方法 |
CN101814731A (zh) * | 2010-04-15 | 2010-08-25 | 中国石油大学(华东) | 一种应用非工频暂态分量的配电网故障选线方法 |
CN102540009A (zh) * | 2010-12-23 | 2012-07-04 | 上海蓝瑞电气有限公司 | 一种配电网故障定位系统 |
CN102788936A (zh) * | 2012-09-03 | 2012-11-21 | 安徽理工大学 | 一种小电流接地故障选线方法 |
CN102866327A (zh) * | 2012-09-13 | 2013-01-09 | 山西省电力公司大同供电分公司 | 一种小电流接地系统故障暂态行波检测装置及方法 |
CN103018630A (zh) * | 2012-11-28 | 2013-04-03 | 福建省电力有限公司 | 配网单相接地故障暂态选线方法 |
Non-Patent Citations (2)
Title |
---|
帅军强等: "基于暂态零序电流幅值比较的配电网单相接地故障定位", 《电工电气》 * |
张保会等: "基于特征频带内暂态零序电流特点的配电网单相接地故障选线方法", 《电力系统保护与控制》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105891666A (zh) * | 2014-11-10 | 2016-08-24 | 蒋春敏 | 基于网络拓扑的配电网单相接地故障定位方法 |
CN106771870A (zh) * | 2016-12-26 | 2017-05-31 | 北京国电通网络技术有限公司 | 一种配电网接地故障定位方法及系统 |
US10962582B2 (en) | 2016-12-26 | 2021-03-30 | Beijing Guodian Tong Network Technology Co., Ltd | Ground position of the ground fault method for power distribution network, system, and storage medium |
CN111830366A (zh) * | 2020-06-20 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | 一种基于新暂态特征值的电网故障定位方法 |
CN113325264A (zh) * | 2021-04-28 | 2021-08-31 | 威胜信息技术股份有限公司 | 一种基于自适应差值接地算法的配电网故障保护方法 |
CN113325264B (zh) * | 2021-04-28 | 2022-03-18 | 威胜信息技术股份有限公司 | 一种基于自适应差值接地算法的配电网故障保护方法 |
CN114778997A (zh) * | 2022-03-01 | 2022-07-22 | 贵州电网有限责任公司 | 一种中性点经消弧线圈接地系统中利用故障电流对时间导数判断故障点熄弧时刻的方法 |
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Inventor after: Heng Sikun Inventor after: Zhang Jinsong Inventor after: Wei Hairong Inventor after: Zhu Liwei Inventor after: Li Dezhong Inventor after: Yang Hao Inventor before: Heng Sikun Inventor before: Wei Hairong Inventor before: Zhu Liwei Inventor before: Li Dezhong Inventor before: Yang Hao |
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Free format text: CORRECT: INVENTOR; FROM: HENG SIKUN WEI HAIRONG ZHU LIWEI LI DEZHONG YANG HAO TO: HENG SIKUN ZHANG JINSONG WEI HAIRONG ZHU LIWEI LI DEZHONG YANG HAO |
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Application publication date: 20140101 |