CN112255574A - 暂态量与中电阻融合的小电流接地选线跳闸方法及系统 - Google Patents
暂态量与中电阻融合的小电流接地选线跳闸方法及系统 Download PDFInfo
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- CN112255574A CN112255574A CN202011350015.2A CN202011350015A CN112255574A CN 112255574 A CN112255574 A CN 112255574A CN 202011350015 A CN202011350015 A CN 202011350015A CN 112255574 A CN112255574 A CN 112255574A
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- 238000000034 method Methods 0.000 title claims abstract description 106
- 230000001052 transient effect Effects 0.000 title claims abstract description 65
- 230000003111 delayed effect Effects 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010891 electric arc Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
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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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- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
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CN202011350015.2A CN112255574B (zh) | 2020-11-26 | 2020-11-26 | 暂态量与中电阻融合的小电流接地选线跳闸方法及系统 |
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CN202011350015.2A CN112255574B (zh) | 2020-11-26 | 2020-11-26 | 暂态量与中电阻融合的小电流接地选线跳闸方法及系统 |
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CN112255574A true CN112255574A (zh) | 2021-01-22 |
CN112255574B CN112255574B (zh) | 2023-07-25 |
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JP2008113508A (ja) * | 2006-10-31 | 2008-05-15 | Chugoku Electric Power Co Inc:The | 保護継電装置および電力系統保護方法 |
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US20160233661A1 (en) * | 2013-09-16 | 2016-08-11 | State Grid Corporation Of China | Single-phase-to-earth fault processing device and method for neutral non-effectively grounded distribution network |
CN106374445A (zh) * | 2016-12-05 | 2017-02-01 | 山东科汇电力自动化股份有限公司 | 选线装置与保护重合闸配合的小电流接地故障处理方法 |
CN106646112A (zh) * | 2016-11-16 | 2017-05-10 | 安徽合凯电气科技股份有限公司 | 基于快速开关消弧消谐的单相接地故障选线及定位方法 |
CN106908695A (zh) * | 2017-03-15 | 2017-06-30 | 济南置真电气有限公司 | 一种基于分合闸信息的单相接地故障逻辑判定方法 |
CN107255774A (zh) * | 2017-06-16 | 2017-10-17 | 济南置真电气有限公司 | 一种基于误选线路跳闸合闸信息的选线方法 |
CN108120903A (zh) * | 2018-02-05 | 2018-06-05 | 西南交通大学 | 一种基于脉冲神经膜系统的小电流单相接地故障选线方法 |
CN108983137A (zh) * | 2018-07-23 | 2018-12-11 | 济南置真电气有限公司 | 一种检测单相接地故障选线跳闸轮切可靠性的系统及方法 |
WO2019075673A1 (zh) * | 2017-10-18 | 2019-04-25 | 中国电力科学研究院有限公司 | 基于电场感应的单相接地故障检测方法、装置及存储介质 |
US20190137556A1 (en) * | 2015-09-09 | 2019-05-09 | Beijing Inhand Networks Technology Co., Ltd. | Method and system for detecting and locating single-phase ground fault on low current grounded power-distribution network |
CN110456230A (zh) * | 2019-08-29 | 2019-11-15 | 国家电网有限公司 | 一种基于双模功能的配电网单相接地故障处理方法 |
CN110687395A (zh) * | 2019-09-23 | 2020-01-14 | 南京理工大学 | 基于深度置信网络的含分布式电源的配电网故障选线方法 |
CN111431188A (zh) * | 2019-11-22 | 2020-07-17 | 南瑞集团有限公司 | 一种考虑需求侧资源的精准切负荷方法 |
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2020
- 2020-11-26 CN CN202011350015.2A patent/CN112255574B/zh active Active
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JP2008113508A (ja) * | 2006-10-31 | 2008-05-15 | Chugoku Electric Power Co Inc:The | 保護継電装置および電力系統保護方法 |
CN102788936A (zh) * | 2012-09-03 | 2012-11-21 | 安徽理工大学 | 一种小电流接地故障选线方法 |
US20160233661A1 (en) * | 2013-09-16 | 2016-08-11 | State Grid Corporation Of China | Single-phase-to-earth fault processing device and method for neutral non-effectively grounded distribution network |
US20190137556A1 (en) * | 2015-09-09 | 2019-05-09 | Beijing Inhand Networks Technology Co., Ltd. | Method and system for detecting and locating single-phase ground fault on low current grounded power-distribution network |
CN106646112A (zh) * | 2016-11-16 | 2017-05-10 | 安徽合凯电气科技股份有限公司 | 基于快速开关消弧消谐的单相接地故障选线及定位方法 |
CN106374445A (zh) * | 2016-12-05 | 2017-02-01 | 山东科汇电力自动化股份有限公司 | 选线装置与保护重合闸配合的小电流接地故障处理方法 |
CN106908695A (zh) * | 2017-03-15 | 2017-06-30 | 济南置真电气有限公司 | 一种基于分合闸信息的单相接地故障逻辑判定方法 |
CN107255774A (zh) * | 2017-06-16 | 2017-10-17 | 济南置真电气有限公司 | 一种基于误选线路跳闸合闸信息的选线方法 |
WO2019075673A1 (zh) * | 2017-10-18 | 2019-04-25 | 中国电力科学研究院有限公司 | 基于电场感应的单相接地故障检测方法、装置及存储介质 |
CN108120903A (zh) * | 2018-02-05 | 2018-06-05 | 西南交通大学 | 一种基于脉冲神经膜系统的小电流单相接地故障选线方法 |
CN108983137A (zh) * | 2018-07-23 | 2018-12-11 | 济南置真电气有限公司 | 一种检测单相接地故障选线跳闸轮切可靠性的系统及方法 |
CN110456230A (zh) * | 2019-08-29 | 2019-11-15 | 国家电网有限公司 | 一种基于双模功能的配电网单相接地故障处理方法 |
CN110687395A (zh) * | 2019-09-23 | 2020-01-14 | 南京理工大学 | 基于深度置信网络的含分布式电源的配电网故障选线方法 |
CN111431188A (zh) * | 2019-11-22 | 2020-07-17 | 南瑞集团有限公司 | 一种考虑需求侧资源的精准切负荷方法 |
Non-Patent Citations (1)
Title |
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刘仕萍等: "小电流接地选线综述", 《价值工程》, pages 190 - 192 * |
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