CN115469194B - 基于π型等效线路模型单端量的单相接地故障测距方法 - Google Patents
基于π型等效线路模型单端量的单相接地故障测距方法 Download PDFInfo
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- CN115469194B CN115469194B CN202211418073.3A CN202211418073A CN115469194B CN 115469194 B CN115469194 B CN 115469194B CN 202211418073 A CN202211418073 A CN 202211418073A CN 115469194 B CN115469194 B CN 115469194B
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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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- 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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- Locating Faults (AREA)
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CN202211418073.3A CN115469194B (zh) | 2022-11-14 | 2022-11-14 | 基于π型等效线路模型单端量的单相接地故障测距方法 |
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CN202211418073.3A CN115469194B (zh) | 2022-11-14 | 2022-11-14 | 基于π型等效线路模型单端量的单相接地故障测距方法 |
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CN115469194A CN115469194A (zh) | 2022-12-13 |
CN115469194B true CN115469194B (zh) | 2023-03-24 |
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WO2022077848A1 (zh) * | 2020-10-14 | 2022-04-21 | 西安热工研究院有限公司 | 一种风力发电输电系统线路单相接地故障定位方法 |
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CN105353277B (zh) * | 2015-12-10 | 2018-09-11 | 国网山东省电力公司烟台供电公司 | 基于计算过渡电阻特性的配电线路单相接地故障选线测距方法 |
CN105929302B (zh) * | 2016-04-13 | 2019-06-18 | 上海交通大学 | 基于序分量关系的输电线路单端故障测距方法 |
CN106124927B (zh) * | 2016-06-20 | 2018-11-13 | 山东大学 | 含串联补偿的同杆并架双回线非同步故障测距方法 |
CN107271841B (zh) * | 2017-05-27 | 2019-12-10 | 天津大学 | 基于正序电流差的同塔双回t型输电线路故障测距方法 |
CN108362978A (zh) * | 2018-03-08 | 2018-08-03 | 国网山东省电力公司滨州供电公司 | 一种基于测距函数相位特性的t型输电线路故障定位方法 |
CN108614194A (zh) * | 2018-06-21 | 2018-10-02 | 国网江苏省电力有限公司宜兴市供电分公司 | 一种基于分布参数模型的双回线故障测距方法及装置 |
CN112363009B (zh) * | 2020-10-14 | 2023-12-01 | 中国电力科学研究院有限公司 | 一种用于同塔线路接地故障的单端故障测距方法及系统 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022077848A1 (zh) * | 2020-10-14 | 2022-04-21 | 西安热工研究院有限公司 | 一种风力发电输电系统线路单相接地故障定位方法 |
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Inventor after: Wang Hongyu Inventor after: Wang Zhibo Inventor after: Gong Lei Inventor after: Hao Ziyuan Inventor after: Zhang Huilong Inventor after: Yan Xingang Inventor after: Gu Tianfeng Inventor after: Yang Keyi Inventor after: Wang Shuang Inventor after: Tan Yingjie Inventor after: Liu Yunhong Inventor after: Huang Xu Inventor after: Liu Chao Inventor after: Gao Qiangwei Inventor after: Yang Guochao Inventor after: Zhao Changwei Inventor after: Liu Wei Inventor before: Wang Hongyu Inventor before: Wang Zhibo Inventor before: Gong Lei Inventor before: Hao Ziyuan Inventor before: Zhang Huilong Inventor before: Yan Xingang Inventor before: Gu Tianfeng Inventor before: Yang Keyi Inventor before: Wang Shuang Inventor before: Liu Yunhong Inventor before: Tan Yingjie Inventor before: Huang Xu Inventor before: Liu Chao Inventor before: Gao Qiangwei Inventor before: Yang Guochao Inventor before: Zhao Changwei Inventor before: Liu Wei |
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