CN106505536B - 一种基于分布参数模型下利用电流突变特性的特高压直流线路保护方法 - Google Patents
一种基于分布参数模型下利用电流突变特性的特高压直流线路保护方法 Download PDFInfo
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- CN106505536B CN106505536B CN201611062107.4A CN201611062107A CN106505536B CN 106505536 B CN106505536 B CN 106505536B CN 201611062107 A CN201611062107 A CN 201611062107A CN 106505536 B CN106505536 B CN 106505536B
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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
- H02H7/268—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 DC systems
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CN201611062107.4A CN106505536B (zh) | 2016-11-22 | 2016-11-22 | 一种基于分布参数模型下利用电流突变特性的特高压直流线路保护方法 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107515356A (zh) * | 2017-10-23 | 2017-12-26 | 华北电力大学(保定) | 一种直流配电网系统及其故障诊断方法 |
CN108152669B (zh) * | 2017-12-06 | 2021-03-30 | 中国铁建电气化局集团第五工程有限公司 | 高铁维管牵引变电所提升故障测距精度的方法 |
CN108321776B (zh) * | 2018-02-06 | 2019-04-05 | 上海交通大学 | 基于特定频段电流的特高压直流线路保护方法 |
CN108808634B (zh) * | 2018-04-10 | 2019-12-06 | 天津大学 | 基于平波电抗器电压的高压直流输电线路纵联保护方法 |
CN108711833B (zh) * | 2018-05-23 | 2019-06-25 | 三峡大学 | 一种基于u-i特性的特高压直流输电线路保护方法 |
CN109861187B (zh) * | 2019-03-18 | 2020-12-04 | 湖南大学 | 一种直流配电网中的直流线路保护方法 |
CN110456222B (zh) * | 2019-08-15 | 2020-08-07 | 西南交通大学 | 一种高压直流输电系统逆变站区内外故障识别方法 |
CN111965481B (zh) * | 2020-07-14 | 2021-10-26 | 华南理工大学 | 一种高压直流线路故障检测方法、系统、装置及存储介质 |
CN112803478B (zh) * | 2021-01-05 | 2021-10-29 | 湖南大学 | 基于相位极性特征的微电网主动注入式单端保护方法 |
CN112838880A (zh) * | 2021-02-19 | 2021-05-25 | 延锋伟世通电子科技(上海)有限公司 | 一种poc电路 |
CN113433425B (zh) * | 2021-06-07 | 2023-03-21 | 中国南方电网有限责任公司 | 一种混合直流线路故障区段识别方法及系统 |
CN113612205B (zh) * | 2021-07-09 | 2022-11-04 | 天津大学 | 一种可识别雷击干扰的mmc-hvdc暂态量保护方法 |
CN116520197B (zh) * | 2023-07-05 | 2023-08-25 | 广东电网有限责任公司肇庆供电局 | 一种低压台区线路检测方法及系统 |
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CN105071355B (zh) * | 2015-05-19 | 2018-01-09 | 国家电网公司 | 一种长距离特高压直流输电线路的差动保护方法 |
CN105182185A (zh) * | 2015-09-29 | 2015-12-23 | 昆明理工大学 | 一种基于构造方向电流的线路故障识别方法 |
CN106058828B (zh) * | 2016-07-18 | 2018-05-15 | 天津大学 | 一种多端柔性直流电网线路方向纵联保护方法 |
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Application publication date: 20170315 Assignee: Yichang Yizhixing Technology Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980034895 Denomination of invention: A Protection Method for UHV DC Transmission Lines Based on Distributed Parameter Model and Utilizing Current Mutation Characteristics Granted publication date: 20190111 License type: Common License Record date: 20230426 |
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Application publication date: 20170315 Assignee: Hubei Yispatiotemporal Unmanned Aerial Vehicle Technology Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980044218 Denomination of invention: A Protection Method for UHV DC Transmission Lines Based on Distributed Parameter Model and Utilizing Current Mutation Characteristics Granted publication date: 20190111 License type: Common License Record date: 20231024 |
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