CN110596533B - 一种配电网单相接地故障区段定位方法及系统 - Google Patents
一种配电网单相接地故障区段定位方法及系统 Download PDFInfo
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- 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
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- 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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CN109375041B (zh) * | 2018-12-24 | 2021-01-05 | 华北科技学院 | 小电流接地系统单相接地故障判断方法 |
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CN113092934B (zh) * | 2021-03-23 | 2022-05-13 | 武汉大学 | 基于聚类和lstm的单相接地故障判定方法及系统 |
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CN113156267B (zh) * | 2021-04-27 | 2024-02-02 | 福州大学 | 一种配电网接地故障选段方法及系统 |
CN113484688B (zh) * | 2021-07-22 | 2023-03-31 | 云南电网有限责任公司昆明供电局 | 基于馈线电流骤减度的配电网故障研判方法及系统 |
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CN114062850B (zh) * | 2021-11-17 | 2022-09-23 | 江南大学 | 一种双阈值电网早期故障检测方法 |
CN114184881B (zh) * | 2021-11-18 | 2023-06-30 | 广东电网有限责任公司电力调度控制中心 | 一种基于拓扑模型追踪分析故障事件定位方法 |
CN116794446B (zh) * | 2023-03-31 | 2024-01-26 | 华北电力大学 | 一种配电网故障定位方法、系统及电子设备 |
CN117609831B (zh) * | 2023-11-21 | 2024-07-09 | 国网宁夏电力有限公司电力科学研究院 | 一种基于随机矩阵的变压器局放检测方法、介质及系统 |
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CN109507526A (zh) * | 2018-10-29 | 2019-03-22 | 山东大学 | 基于同步相量测量和协方差矩阵理论的配电网故障诊断方法 |
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