CN111579919A - 一种配电网单相接地故障检测方法和系统 - Google Patents
一种配电网单相接地故障检测方法和系统 Download PDFInfo
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- CN111579919A CN111579919A CN202010288757.0A CN202010288757A CN111579919A CN 111579919 A CN111579919 A CN 111579919A CN 202010288757 A CN202010288757 A CN 202010288757A CN 111579919 A CN111579919 A CN 111579919A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Theoretical Computer Science (AREA)
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112485719A (zh) * | 2020-12-17 | 2021-03-12 | 国网辽宁省电力有限公司铁岭供电公司 | 一种配电网输电线路接地故障检测方法 |
CN112595925A (zh) * | 2020-12-01 | 2021-04-02 | 国网山东省电力公司青岛供电公司 | 一种10kV配网接地故障的过程处理方法及系统 |
CN113625123A (zh) * | 2021-09-07 | 2021-11-09 | 威胜电气有限公司 | 一种配电网单相接地故障定位方法 |
CN114414944A (zh) * | 2022-01-26 | 2022-04-29 | 上海道博电气有限公司 | 基于相电流暂态法的小电流接地装置及检测方法 |
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2020
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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 |
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CN105914718A (zh) * | 2016-04-28 | 2016-08-31 | 长沙理工大学 | 一种基于相电流突变量的接地故障保护方法 |
CN106646139A (zh) * | 2016-12-30 | 2017-05-10 | 华北电力大学 | 一种基于三相电流幅值分析的配电网故障定位方法 |
CN106707084A (zh) * | 2016-12-30 | 2017-05-24 | 武汉中原电子信息有限公司 | 一种小电流接地系统单相接地故障判定方法 |
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CN110780160A (zh) * | 2019-12-06 | 2020-02-11 | 广东电网有限责任公司 | 一种弧光高阻接地故障检测方法及其装置 |
CN111208387A (zh) * | 2020-02-17 | 2020-05-29 | 国电南瑞南京控制系统有限公司 | 基于同步对比相电流故障分量的配网单相接地选线方法 |
Non-Patent Citations (3)
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YANGCHUN-WEN ET AL: "The Method of Precise Timing of Grounding Fault in Power System Based on Wavelet Theory", 《ENERGY PROCEDIA》 * |
严学文: "基于相电流特征的配电网单相断线区段定位新方法", 《电测与仪表》 * |
刘谋海等: "基于暂态相电流特征分析的故障选线新方法", 《电力系统及其自动化学报》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112595925A (zh) * | 2020-12-01 | 2021-04-02 | 国网山东省电力公司青岛供电公司 | 一种10kV配网接地故障的过程处理方法及系统 |
CN112485719A (zh) * | 2020-12-17 | 2021-03-12 | 国网辽宁省电力有限公司铁岭供电公司 | 一种配电网输电线路接地故障检测方法 |
CN113625123A (zh) * | 2021-09-07 | 2021-11-09 | 威胜电气有限公司 | 一种配电网单相接地故障定位方法 |
CN114414944A (zh) * | 2022-01-26 | 2022-04-29 | 上海道博电气有限公司 | 基于相电流暂态法的小电流接地装置及检测方法 |
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Inventor after: Yang Zhixiang Inventor after: Feng Xijun Inventor after: Zeng Xin Inventor after: Cao Chaohui Inventor after: Sun Yongwei Inventor after: Cao Qi Inventor after: Li Qiang Inventor before: Yang Zhixiang Inventor before: Feng Xijun Inventor before: Zeng Xin Inventor before: Cao Chaohui Inventor before: Sun Yongwei Inventor before: Cao Qi Inventor before: Li Qiang |
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