CN112003253A - 一种配电网边界保护方法 - Google Patents
一种配电网边界保护方法 Download PDFInfo
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- CN112003253A CN112003253A CN202010839530.0A CN202010839530A CN112003253A CN 112003253 A CN112003253 A CN 112003253A CN 202010839530 A CN202010839530 A CN 202010839530A CN 112003253 A CN112003253 A CN 112003253A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000035772 mutation Effects 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 101100499229 Mus musculus Dhrsx gene Proteins 0.000 description 1
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Classifications
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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
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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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- 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
- H02H7/265—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 making use of travelling wave theory
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010839530.0A CN112003253B (zh) | 2020-08-19 | 2020-08-19 | 一种配电网边界保护方法 |
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CN202010839530.0A CN112003253B (zh) | 2020-08-19 | 2020-08-19 | 一种配电网边界保护方法 |
Publications (2)
Publication Number | Publication Date |
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CN112003253A true CN112003253A (zh) | 2020-11-27 |
CN112003253B CN112003253B (zh) | 2021-08-13 |
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CN202010839530.0A Active CN112003253B (zh) | 2020-08-19 | 2020-08-19 | 一种配电网边界保护方法 |
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CN (1) | CN112003253B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113131449A (zh) * | 2021-04-15 | 2021-07-16 | 广东电网有限责任公司广州供电局 | 配电线路中保护装置的整定方法及装置 |
CN113358973A (zh) * | 2021-06-07 | 2021-09-07 | 重庆大学 | 一种柔性直流电网故障检测方法 |
CN114089104A (zh) * | 2021-11-12 | 2022-02-25 | 西安交通大学 | 一种基于线路边界线路侧电压的故障方向判别方法及系统 |
CN114089105A (zh) * | 2021-11-12 | 2022-02-25 | 西安交通大学 | 一种基于线路边界两侧电压的故障方向判别方法及系统 |
CN116760001A (zh) * | 2023-08-21 | 2023-09-15 | 国网江西省电力有限公司电力科学研究院 | 基于磁控开关快速分闸的配电网相间故障隔离方法及系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102253310A (zh) * | 2011-05-18 | 2011-11-23 | 昆明理工大学 | 一种交流输电线路故障测距中第二个波头性质的识别方法 |
CN104977502A (zh) * | 2015-06-11 | 2015-10-14 | 昆明理工大学 | 一种特高压直流输电线路区内外故障识别方法 |
CN105790239A (zh) * | 2016-05-19 | 2016-07-20 | 山东大学 | 一种基于s变换的高压直流输电线路单端量保护方法 |
CN109085450A (zh) * | 2018-08-24 | 2018-12-25 | 国网河北省电力有限公司电力科学研究院 | 小电流接地系统故障选相方法及装置 |
CN111224386A (zh) * | 2020-01-13 | 2020-06-02 | 国网河北省电力有限公司经济技术研究院 | 纵联保护方法、系统及终端设备 |
-
2020
- 2020-08-19 CN CN202010839530.0A patent/CN112003253B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102253310A (zh) * | 2011-05-18 | 2011-11-23 | 昆明理工大学 | 一种交流输电线路故障测距中第二个波头性质的识别方法 |
CN104977502A (zh) * | 2015-06-11 | 2015-10-14 | 昆明理工大学 | 一种特高压直流输电线路区内外故障识别方法 |
CN105790239A (zh) * | 2016-05-19 | 2016-07-20 | 山东大学 | 一种基于s变换的高压直流输电线路单端量保护方法 |
CN109085450A (zh) * | 2018-08-24 | 2018-12-25 | 国网河北省电力有限公司电力科学研究院 | 小电流接地系统故障选相方法及装置 |
CN111224386A (zh) * | 2020-01-13 | 2020-06-02 | 国网河北省电力有限公司经济技术研究院 | 纵联保护方法、系统及终端设备 |
Non-Patent Citations (1)
Title |
---|
徐敏等: "一种检测电流首峰值时间的直流线路保护新原理", 《电网技术》 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113131449A (zh) * | 2021-04-15 | 2021-07-16 | 广东电网有限责任公司广州供电局 | 配电线路中保护装置的整定方法及装置 |
CN113358973A (zh) * | 2021-06-07 | 2021-09-07 | 重庆大学 | 一种柔性直流电网故障检测方法 |
CN113358973B (zh) * | 2021-06-07 | 2023-11-28 | 重庆大学 | 一种柔性直流电网故障检测方法 |
CN114089104A (zh) * | 2021-11-12 | 2022-02-25 | 西安交通大学 | 一种基于线路边界线路侧电压的故障方向判别方法及系统 |
CN114089105A (zh) * | 2021-11-12 | 2022-02-25 | 西安交通大学 | 一种基于线路边界两侧电压的故障方向判别方法及系统 |
CN114089105B (zh) * | 2021-11-12 | 2022-08-16 | 西安交通大学 | 一种基于线路边界两侧电压的故障方向判别方法及系统 |
CN114089104B (zh) * | 2021-11-12 | 2022-12-09 | 西安交通大学 | 一种基于线路边界线路侧电压的故障方向判别方法及系统 |
CN116760001A (zh) * | 2023-08-21 | 2023-09-15 | 国网江西省电力有限公司电力科学研究院 | 基于磁控开关快速分闸的配电网相间故障隔离方法及系统 |
CN116760001B (zh) * | 2023-08-21 | 2023-12-05 | 国网江西省电力有限公司电力科学研究院 | 基于磁控开关快速分闸的配电网相间故障隔离方法及系统 |
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Effective date of registration: 20240129 Address after: No.28, Xianning West Road, Beilin District, Xi'an City, Shaanxi Province Patentee after: XI'AN JIAOTONG University Country or region after: China Patentee after: Electric Power Research Institute of State Grid Shaanxi Electric Power Co.,Ltd. Address before: 710049 No. 28 West Xianning Road, Shaanxi, Xi'an Patentee before: XI'AN JIAOTONG University Country or region before: China Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute |