CN106571620A - 一种双端柔性直流输电系统直流线路接地短路的故障判定方法 - Google Patents
一种双端柔性直流输电系统直流线路接地短路的故障判定方法 Download PDFInfo
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- CN106571620A CN106571620A CN201610889832.2A CN201610889832A CN106571620A CN 106571620 A CN106571620 A CN 106571620A CN 201610889832 A CN201610889832 A CN 201610889832A CN 106571620 A CN106571620 A CN 106571620A
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- direct current
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- short circuit
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000002085 persistent effect Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 15
- 238000011217 control strategy Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract 3
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000001052 transient effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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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- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
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CN201610889832.2A CN106571620B (zh) | 2016-10-12 | 2016-10-12 | 一种双端柔性直流输电系统直流线路接地短路的故障判定方法 |
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CN201610889832.2A CN106571620B (zh) | 2016-10-12 | 2016-10-12 | 一种双端柔性直流输电系统直流线路接地短路的故障判定方法 |
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CN106571620A true CN106571620A (zh) | 2017-04-19 |
CN106571620B CN106571620B (zh) | 2019-01-18 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107453386A (zh) * | 2017-08-24 | 2017-12-08 | 中国南方电网有限责任公司 | 输电控制方法及柔性直流输电装置 |
WO2018201708A1 (zh) * | 2017-05-02 | 2018-11-08 | 许继集团有限公司 | 桥臂电流过流保护方法、控制系统及存储介质 |
CN110380441A (zh) * | 2019-07-19 | 2019-10-25 | 国电南瑞科技股份有限公司 | 识别特高压直流闭锁、再启动状态的稳控判据方法和装置 |
CN111371303A (zh) * | 2020-04-28 | 2020-07-03 | 中国电建集团福建省电力勘测设计院有限公司 | 柔直工程换流变压器阀侧带双断路器的交流侧启动回路 |
CN113589024A (zh) * | 2020-04-30 | 2021-11-02 | 南京南瑞继保电气有限公司 | 冗余系统单套交流电压测量异常的快速检测方法及装置 |
Citations (3)
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CN1881724A (zh) * | 2005-06-15 | 2006-12-20 | 许继集团有限公司 | 高压直流输电系统背靠背差动保护方法 |
JP2008022622A (ja) * | 2006-07-12 | 2008-01-31 | Chugoku Electric Power Co Inc:The | 送配電系統の短絡電流減少システムおよび短絡電流減少方法 |
CN103296671A (zh) * | 2013-04-09 | 2013-09-11 | 国家电网公司 | 用于柔性直流输电系统交流侧过电压保护装置及保护方法 |
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2016
- 2016-10-12 CN CN201610889832.2A patent/CN106571620B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1881724A (zh) * | 2005-06-15 | 2006-12-20 | 许继集团有限公司 | 高压直流输电系统背靠背差动保护方法 |
JP2008022622A (ja) * | 2006-07-12 | 2008-01-31 | Chugoku Electric Power Co Inc:The | 送配電系統の短絡電流減少システムおよび短絡電流減少方法 |
CN103296671A (zh) * | 2013-04-09 | 2013-09-11 | 国家电网公司 | 用于柔性直流输电系统交流侧过电压保护装置及保护方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018201708A1 (zh) * | 2017-05-02 | 2018-11-08 | 许继集团有限公司 | 桥臂电流过流保护方法、控制系统及存储介质 |
CN107453386A (zh) * | 2017-08-24 | 2017-12-08 | 中国南方电网有限责任公司 | 输电控制方法及柔性直流输电装置 |
CN110380441A (zh) * | 2019-07-19 | 2019-10-25 | 国电南瑞科技股份有限公司 | 识别特高压直流闭锁、再启动状态的稳控判据方法和装置 |
CN110380441B (zh) * | 2019-07-19 | 2021-01-22 | 国电南瑞科技股份有限公司 | 识别特高压直流闭锁、再启动状态的稳控判据方法和装置 |
CN111371303A (zh) * | 2020-04-28 | 2020-07-03 | 中国电建集团福建省电力勘测设计院有限公司 | 柔直工程换流变压器阀侧带双断路器的交流侧启动回路 |
CN111371303B (zh) * | 2020-04-28 | 2024-04-02 | 中国电建集团福建省电力勘测设计院有限公司 | 柔直工程换流变压器阀侧带双断路器的交流侧启动回路 |
CN113589024A (zh) * | 2020-04-30 | 2021-11-02 | 南京南瑞继保电气有限公司 | 冗余系统单套交流电压测量异常的快速检测方法及装置 |
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