CN112505472A - 基于行波的三相混合供电网故障测距方法 - Google Patents
基于行波的三相混合供电网故障测距方法 Download PDFInfo
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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
- G01R31/50—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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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113075503A (zh) * | 2021-03-30 | 2021-07-06 | 新疆大学 | 一种直流输电线路双端行波测距方法及系统 |
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-
2020
- 2020-10-19 CN CN202011115632.4A patent/CN112505472B/zh active Active
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JPH02105076A (ja) * | 1988-10-14 | 1990-04-17 | Kansai Electric Power Co Inc:The | 故障点標定式進行波リレー装置 |
WO2015081826A1 (zh) * | 2013-12-06 | 2015-06-11 | 清华大学 | 电力线路保护方法 |
CN103884963A (zh) * | 2014-03-12 | 2014-06-25 | 国家电网公司 | 基于故障暂态行波零模与线模速度差的配网故障测距方法 |
CN103941150A (zh) * | 2014-04-03 | 2014-07-23 | 昆明理工大学 | 一种仅利用电压量不依赖双端同步的零、线模时差辐射网故障定位方法 |
CN103941151A (zh) * | 2014-04-03 | 2014-07-23 | 昆明理工大学 | 一种利用电压、电流量配合不依赖双端同步的零、线模时差辐射网故障定位方法 |
US20200158787A1 (en) * | 2017-06-19 | 2020-05-21 | Tianjin University | Method for identifying fault types of high voltage direct current transmission line |
CN107621591A (zh) * | 2017-09-22 | 2018-01-23 | 中国矿业大学 | 一种基于零模行波波速变化特性的输电线路迭代测距方法 |
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CN108896874A (zh) * | 2018-07-10 | 2018-11-27 | 中国矿业大学 | 一种末端连接短线路的输电线路故障测距方法 |
CN109387743A (zh) * | 2018-11-21 | 2019-02-26 | 国网辽宁省电力有限公司朝阳供电公司 | 利用中性点切换及由此产生行波注入信号的单端测距方法 |
CN109581149A (zh) * | 2018-12-04 | 2019-04-05 | 华北电力大学 | 消弧线圈并联小电阻接地方式下的行波测距方法和系统 |
Non-Patent Citations (3)
Title |
---|
张翠玲等: "树型配电网单相接地故障行波测距的组合方法", 《高压电器》 * |
邢志杰等: "10 kV自闭/贯通线模量波速时间差单端行波故障测距", 《电气化铁道》 * |
齐郑等: "含单相配电支路的配电网单相接地故障行波测距技术", 《电力系统自动化》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113075503A (zh) * | 2021-03-30 | 2021-07-06 | 新疆大学 | 一种直流输电线路双端行波测距方法及系统 |
CN113075503B (zh) * | 2021-03-30 | 2022-12-30 | 新疆大学 | 一种直流输电线路双端行波测距方法及系统 |
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