CN103872657A - 一种并联融冰模式下金属回线纵差保护方法 - Google Patents
一种并联融冰模式下金属回线纵差保护方法 Download PDFInfo
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- CN103872657A CN103872657A CN201410103995.4A CN201410103995A CN103872657A CN 103872657 A CN103872657 A CN 103872657A CN 201410103995 A CN201410103995 A CN 201410103995A CN 103872657 A CN103872657 A CN 103872657A
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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
- H02H3/28—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 involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
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- Engineering & Computer Science (AREA)
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Abstract
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Priority Applications (2)
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CN201410103995.4A CN103872657A (zh) | 2014-03-19 | 2014-03-19 | 一种并联融冰模式下金属回线纵差保护方法 |
PCT/CN2014/087876 WO2015139443A1 (zh) | 2014-03-19 | 2014-09-30 | 一种并联融冰模式下金属回线纵差保护方法 |
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CN201410103995.4A CN103872657A (zh) | 2014-03-19 | 2014-03-19 | 一种并联融冰模式下金属回线纵差保护方法 |
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CN103872657A true CN103872657A (zh) | 2014-06-18 |
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CN201410103995.4A Pending CN103872657A (zh) | 2014-03-19 | 2014-03-19 | 一种并联融冰模式下金属回线纵差保护方法 |
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CN (1) | CN103872657A (zh) |
WO (1) | WO2015139443A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104092191A (zh) * | 2014-06-24 | 2014-10-08 | 国家电网公司 | 一种交流母线差动保护方法 |
CN104810801A (zh) * | 2015-04-28 | 2015-07-29 | 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 | 适用于直流融冰系统整流装置的管母线电流差动保护方法 |
WO2015139443A1 (zh) * | 2014-03-19 | 2015-09-24 | 许继集团有限公司 | 一种并联融冰模式下金属回线纵差保护方法 |
CN105576615A (zh) * | 2015-12-31 | 2016-05-11 | 国家电网公司 | 一种nbsf逻辑验证的方法 |
CN104092191B (zh) * | 2014-06-24 | 2016-11-30 | 国家电网公司 | 一种交流母线差动保护方法 |
CN106684836A (zh) * | 2016-11-15 | 2017-05-17 | 南方电网科学研究院有限责任公司 | 一种基于差流波形综合判别的阀组差动保护方法 |
CN112448373A (zh) * | 2020-10-30 | 2021-03-05 | 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横差保护的实现方法 |
CN112448372A (zh) * | 2020-10-30 | 2021-03-05 | 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 |
CN113013830A (zh) * | 2021-03-03 | 2021-06-22 | 贵州电网有限责任公司 | 输电线路子导线分组在线融冰距离保护整定阻抗计算方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112202149A (zh) * | 2020-06-23 | 2021-01-08 | 中国电力科学研究院有限公司 | 一种基于电压比较法处理直流输电线路保护异常大数的方法和系统 |
CN112290520B (zh) * | 2020-11-13 | 2022-09-16 | 中国南方电网有限责任公司超高压输电公司昆明局 | 针对三端直流输电系统金属返回线接地故障保护方法 |
Citations (2)
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CN103280785A (zh) * | 2013-06-17 | 2013-09-04 | 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 | 一种可识别高阻接地故障的高压直流输电线路保护方法 |
CN103296673A (zh) * | 2013-05-09 | 2013-09-11 | 国家电网公司 | 一种±800kV特高压直流输电工程系统调试方法 |
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US5361183A (en) * | 1993-06-30 | 1994-11-01 | Alliedsignal Inc. | Ground fault protection for electrothermal de-icing applications |
CN101383494A (zh) * | 2008-10-17 | 2009-03-11 | 南方电网技术研究中心 | 特高压直流输电系统线路融冰的直流控制保护方法 |
CN103378574B (zh) * | 2012-04-25 | 2016-03-02 | 南京南瑞继保电气有限公司 | 直流融冰装置实现融冰功能的控制保护方法 |
CN103346541B (zh) * | 2013-06-20 | 2015-09-30 | 国家电网公司 | 换流站直流滤波器差动保护方法与装置 |
CN103872657A (zh) * | 2014-03-19 | 2014-06-18 | 许继集团有限公司 | 一种并联融冰模式下金属回线纵差保护方法 |
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2014
- 2014-03-19 CN CN201410103995.4A patent/CN103872657A/zh active Pending
- 2014-09-30 WO PCT/CN2014/087876 patent/WO2015139443A1/zh active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103296673A (zh) * | 2013-05-09 | 2013-09-11 | 国家电网公司 | 一种±800kV特高压直流输电工程系统调试方法 |
CN103280785A (zh) * | 2013-06-17 | 2013-09-04 | 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 | 一种可识别高阻接地故障的高压直流输电线路保护方法 |
Non-Patent Citations (2)
Title |
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杨鹏: "复奉_800kV特高压直流输电工程换流器并联融冰试验问题分析", 《电工技术》 * |
赵畹君: "<高压直流输电工程技术>", 1 August 2004, 中国电力出版社 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015139443A1 (zh) * | 2014-03-19 | 2015-09-24 | 许继集团有限公司 | 一种并联融冰模式下金属回线纵差保护方法 |
CN104092191A (zh) * | 2014-06-24 | 2014-10-08 | 国家电网公司 | 一种交流母线差动保护方法 |
CN104092191B (zh) * | 2014-06-24 | 2016-11-30 | 国家电网公司 | 一种交流母线差动保护方法 |
CN104810801B (zh) * | 2015-04-28 | 2017-07-11 | 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 | 适用于直流融冰系统整流装置的管母线电流差动保护方法 |
CN104810801A (zh) * | 2015-04-28 | 2015-07-29 | 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 | 适用于直流融冰系统整流装置的管母线电流差动保护方法 |
CN105576615A (zh) * | 2015-12-31 | 2016-05-11 | 国家电网公司 | 一种nbsf逻辑验证的方法 |
CN105576615B (zh) * | 2015-12-31 | 2018-08-03 | 国家电网公司 | 一种nbsf逻辑验证的方法 |
CN106684836A (zh) * | 2016-11-15 | 2017-05-17 | 南方电网科学研究院有限责任公司 | 一种基于差流波形综合判别的阀组差动保护方法 |
CN106684836B (zh) * | 2016-11-15 | 2019-01-29 | 南方电网科学研究院有限责任公司 | 一种基于差流波形综合判别的阀组差动保护方法 |
CN112448373A (zh) * | 2020-10-30 | 2021-03-05 | 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横差保护的实现方法 |
CN112448372A (zh) * | 2020-10-30 | 2021-03-05 | 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 |
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 |
CN112448373B (zh) * | 2020-10-30 | 2023-05-16 | 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横差保护的实现方法 |
CN113013830A (zh) * | 2021-03-03 | 2021-06-22 | 贵州电网有限责任公司 | 输电线路子导线分组在线融冰距离保护整定阻抗计算方法 |
CN113013830B (zh) * | 2021-03-03 | 2023-06-30 | 贵州电网有限责任公司 | 输电线路子导线分组在线融冰距离保护整定阻抗计算方法 |
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Effective date of registration: 20170203 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Xuji Group Co., Ltd. Applicant after: Xuji Electric Co., Ltd. Applicant after: State Grid Zhejiang Electric Power Company Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant before: Xuji Group Co., Ltd. Applicant before: Xuji Electric Co., Ltd. Applicant before: State Grid Corporation of China |
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