CN106849029B - 并联型双极多端直流输电系统电流模量纵差保护方法 - Google Patents
并联型双极多端直流输电系统电流模量纵差保护方法 Download PDFInfo
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- CN106849029B CN106849029B CN201710076419.9A CN201710076419A CN106849029B CN 106849029 B CN106849029 B CN 106849029B CN 201710076419 A CN201710076419 A CN 201710076419A CN 106849029 B CN106849029 B CN 106849029B
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/265—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents responsive to phase angle between voltages or between currents
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- Emergency Protection Circuit Devices (AREA)
Abstract
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Priority Applications (1)
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CN201710076419.9A CN106849029B (zh) | 2017-02-13 | 2017-02-13 | 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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CN201710076419.9A CN106849029B (zh) | 2017-02-13 | 2017-02-13 | 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 CN106849029A (zh) | 2017-06-13 |
CN106849029B true CN106849029B (zh) | 2019-05-07 |
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CN201710076419.9A Active CN106849029B (zh) | 2017-02-13 | 2017-02-13 | 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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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107390046B (zh) | 2017-06-19 | 2019-08-30 | 天津大学 | 一种高压直流输电线路故障类型判断方法 |
CN107359601B (zh) * | 2017-08-22 | 2019-09-20 | 西安科技大学 | 基于电流二阶梯度的高压直流输电线路单端量保护方法 |
CN107681644B (zh) * | 2017-10-31 | 2019-07-16 | 华北电力大学(保定) | 一种直流母线故障的比率制动式电流差动保护方法 |
CN109038514B (zh) * | 2018-07-02 | 2019-09-13 | 华中科技大学 | 一种高压直流输电线路的后备保护方法及装置 |
CN109038516B (zh) * | 2018-07-24 | 2020-01-14 | 西安理工大学 | 一种用于直流配电网线路的加速保护方法 |
CN109638796B (zh) * | 2019-01-22 | 2020-05-05 | 天津大学 | 一种长距离高压直流输电线路差动保护方法 |
CN110120653B (zh) * | 2019-04-30 | 2021-03-23 | 天津大学 | 一种适用于对称双极直流线路的纵联行波差动保护方法 |
CN110441659A (zh) * | 2019-09-02 | 2019-11-12 | 湖南大学 | 一种高压直流输电线路的故障判别方法 |
CN110797848B (zh) * | 2019-11-25 | 2021-06-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | 一种适用于三端常规直流输电系统的线路纵差保护方法 |
CN111130074B (zh) * | 2020-01-07 | 2021-01-19 | 西安交通大学 | 基于电压首极值时间的直流输电线超高速保护系统及方法 |
CN112448372B (zh) * | 2020-10-30 | 2023-04-28 | 中国南方电网有限责任公司超高压输电公司 | 一种并联多端直流输电系统金属纵差保护的实现方法 |
CN112507278B (zh) * | 2020-12-02 | 2024-03-15 | 国网湖南综合能源服务有限公司 | 多端柔性直流输电系统的直流侧短路故障电流计算方法及系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737166A (en) * | 1995-04-07 | 1998-04-07 | Asea Brown Boveri Ab | Protective equipment in a bipolar HVDC station |
CN102510050A (zh) * | 2011-11-08 | 2012-06-20 | 西安交通大学 | 多端直流输电系统的直流线路电流突变量纵联保护方法 |
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2017
- 2017-02-13 CN CN201710076419.9A patent/CN106849029B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737166A (en) * | 1995-04-07 | 1998-04-07 | Asea Brown Boveri Ab | Protective equipment in a bipolar HVDC station |
CN102510050A (zh) * | 2011-11-08 | 2012-06-20 | 西安交通大学 | 多端直流输电系统的直流线路电流突变量纵联保护方法 |
Non-Patent Citations (2)
Title |
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"高压直流输电线路暂态保护研究";于洋;《中国优秀硕士学位论文全文数据库》;20150815;正文第45-61页 |
"高压直流输电线路电流差动保护新原理";高淑萍等;《电力系统自动化》;20100910;第34卷(第17期);第45-49页 |
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Effective date of registration: 20201209 Address after: Gao Lao Jia sun Tang Cun, Shan county, Heze City, Shandong Province Patentee after: Lao Kangjie 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: 20201209 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: 20211018 Address after: 274300 plant 6, precision manufacturing industrial park, horticulture street, Shan county, Heze City, Shandong Province Patentee after: Heze fuzhiyuan Electrical Equipment Co.,Ltd. Address before: Gao Lao Jia sun Tang Cun, Shan county, Heze City, Shandong Province Patentee before: Lao Kangjie |
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