CN107359601B - 基于电流二阶梯度的高压直流输电线路单端量保护方法 - Google Patents
基于电流二阶梯度的高压直流输电线路单端量保护方法 Download PDFInfo
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- CN107359601B CN107359601B CN201710726434.3A CN201710726434A CN107359601B CN 107359601 B CN107359601 B CN 107359601B CN 201710726434 A CN201710726434 A CN 201710726434A CN 107359601 B CN107359601 B CN 107359601B
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- electric current
- order gradient
- current
- hvdc transmission
- transmission line
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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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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
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CN201710726434.3A CN107359601B (zh) | 2017-08-22 | 2017-08-22 | 基于电流二阶梯度的高压直流输电线路单端量保护方法 |
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CN201710726434.3A CN107359601B (zh) | 2017-08-22 | 2017-08-22 | 基于电流二阶梯度的高压直流输电线路单端量保护方法 |
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CN107359601A CN107359601A (zh) | 2017-11-17 |
CN107359601B true CN107359601B (zh) | 2019-09-20 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107863762A (zh) * | 2017-12-04 | 2018-03-30 | 天津大学 | 一种直流电网接地故障超高速单端量保护方法 |
CN108365599B (zh) * | 2018-01-23 | 2020-11-20 | 西安交通大学 | 半波长输电线路单端量行波保护方法 |
CN110364997B (zh) * | 2019-07-03 | 2022-09-20 | 中国电力科学研究院有限公司 | 一种基于单端电流差分量的直流输电线路后备保护方法及系统 |
CN110336256B (zh) * | 2019-07-04 | 2022-04-01 | 中国电力科学研究院有限公司 | 一种直流输电线路比率制动选极方法和系统 |
CN115021225B (zh) * | 2022-06-22 | 2023-04-25 | 国网安徽省电力有限公司经济技术研究院 | 基于直流断路器动作响应的环状柔性直流配电网后备保护方法及系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106849029A (zh) * | 2017-02-13 | 2017-06-13 | 西安科技大学 | 并联型双极多端直流输电系统电流模量纵差保护方法 |
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CN106849029A (zh) * | 2017-02-13 | 2017-06-13 | 西安科技大学 | 并联型双极多端直流输电系统电流模量纵差保护方法 |
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Effective date of registration: 20201218 Address after: 274300 liuzhuangji village, gaolao hometown, Shan county, Heze City, Shandong Province Patentee after: Wang Zhiguo Address before: Room 301, building 2, No. 40, xiayuangang East Street, Yuangang village, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee before: Guangzhou Huansheng Technology Co.,Ltd. Effective date of registration: 20201218 Address after: Room 301, building 2, No. 40, xiayuangang East Street, Yuangang village, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Huansheng Technology Co.,Ltd. Address before: 710054 Shaanxi province Xi'an Beilin District Yanta Road No. 58 Patentee before: XI'AN University OF SCIENCE AND TECHNOLOGY Patentee before: XI'AN JIAOTONG University Patentee before: CEEC SHAANXI ELECTRIC POWER DESIGN INSTITUTE |
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Effective date of registration: 20211012 Address after: No. 138, sunny north street, Baoding, Hebei Province, Hebei Patentee after: Baoding Jeddah Power Design Co.,Ltd. Address before: 274300 liuzhuangji village, gaolao hometown, Shan county, Heze City, Shandong Province Patentee before: Wang Zhiguo |