CN112698103B - 一种提升高过渡电阻接地故障判断准确度的方法 - Google Patents
一种提升高过渡电阻接地故障判断准确度的方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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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
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- Physics & Mathematics (AREA)
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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CN113625121B (zh) * | 2021-08-19 | 2023-05-05 | 广东电网有限责任公司 | 一种小电流接地故障定位方法及相关装置 |
CN114089092A (zh) * | 2021-10-12 | 2022-02-25 | 许昌许继软件技术有限公司 | 基于接地选线零序功率的线路故障判别方法及装置 |
CN115327300A (zh) * | 2022-08-29 | 2022-11-11 | 国网四川省电力公司电力科学研究院 | 一种基于录波文件分析的故障起始点定位方法及系统 |
CN115980516A (zh) * | 2023-03-15 | 2023-04-18 | 昆明理工大学 | 一种基于波形相似度的配电网故障选线方法及系统 |
CN117347787B (zh) * | 2023-10-17 | 2024-06-11 | 国网四川省电力公司电力科学研究院 | 一种配电网单相接地故障类型辨识及分析方法、系统 |
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2020
- 2020-12-09 CN CN202011431971.3A patent/CN112698103B/zh active Active
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CN105785232A (zh) * | 2016-05-18 | 2016-07-20 | 成都理工大学 | 小电流接地系统单相接地故障综合选线方法 |
CN107609569A (zh) * | 2017-07-31 | 2018-01-19 | 北京映翰通网络技术股份有限公司 | 一种基于多维特征向量的配电网接地故障定位方法 |
CN108132417A (zh) * | 2017-11-24 | 2018-06-08 | 国网北京市电力公司 | 单相接地故障定位方法和装置 |
CN109387723A (zh) * | 2018-08-23 | 2019-02-26 | 国网天津市电力公司电力科学研究院 | 一种基于瞬时阻抗接地法的谐振接地系统接地选线方法 |
CN110146782A (zh) * | 2019-05-15 | 2019-08-20 | 上海宏力达信息技术股份有限公司 | 一种接地故障选线方法 |
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