CN107732881A - 一种直流电网直流断路器失灵保护方法和装置 - Google Patents
一种直流电网直流断路器失灵保护方法和装置 Download PDFInfo
- Publication number
- CN107732881A CN107732881A CN201711078587.8A CN201711078587A CN107732881A CN 107732881 A CN107732881 A CN 107732881A CN 201711078587 A CN201711078587 A CN 201711078587A CN 107732881 A CN107732881 A CN 107732881A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- line
- direct current
- protector
- current network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- H02H7/28—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 meshed systems
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711078587.8A CN107732881A (zh) | 2017-11-06 | 2017-11-06 | 一种直流电网直流断路器失灵保护方法和装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711078587.8A CN107732881A (zh) | 2017-11-06 | 2017-11-06 | 一种直流电网直流断路器失灵保护方法和装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107732881A true CN107732881A (zh) | 2018-02-23 |
Family
ID=61221627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711078587.8A Pending CN107732881A (zh) | 2017-11-06 | 2017-11-06 | 一种直流电网直流断路器失灵保护方法和装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107732881A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109119975A (zh) * | 2018-08-22 | 2019-01-01 | 许继集团有限公司 | 一种直流系统及其启动过程的断路器的失灵保护方法 |
CN110854826A (zh) * | 2019-10-18 | 2020-02-28 | 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 | 一种柔直换流阀三取二保护系统故障诊断和处理方法 |
CN112003257A (zh) * | 2020-07-29 | 2020-11-27 | 许继集团有限公司 | 一种防止直流耗能装置拒动的控制系统及方法 |
CN112531660A (zh) * | 2020-12-17 | 2021-03-19 | 国网辽宁省电力有限公司铁岭供电公司 | 一种直流电网中断路器失灵保护方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106169739A (zh) * | 2016-07-22 | 2016-11-30 | 许继集团有限公司 | 一种柔性直流电网线路保护配置方法及装置 |
CN206211516U (zh) * | 2016-12-02 | 2017-05-31 | 福建省电力勘测设计院 | 基于三取二冗余跳闸逻辑的大容量柔性直流换流站保护系统 |
CN107221915A (zh) * | 2017-05-17 | 2017-09-29 | 南京南瑞继保电气有限公司 | 一种直流断路器失灵保护的方法 |
-
2017
- 2017-11-06 CN CN201711078587.8A patent/CN107732881A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106169739A (zh) * | 2016-07-22 | 2016-11-30 | 许继集团有限公司 | 一种柔性直流电网线路保护配置方法及装置 |
CN206211516U (zh) * | 2016-12-02 | 2017-05-31 | 福建省电力勘测设计院 | 基于三取二冗余跳闸逻辑的大容量柔性直流换流站保护系统 |
CN107221915A (zh) * | 2017-05-17 | 2017-09-29 | 南京南瑞继保电气有限公司 | 一种直流断路器失灵保护的方法 |
Non-Patent Citations (1)
Title |
---|
彭发喜 等: "直流电网中直流断路器失灵保护方案研究", 《机电工程》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109119975A (zh) * | 2018-08-22 | 2019-01-01 | 许继集团有限公司 | 一种直流系统及其启动过程的断路器的失灵保护方法 |
CN109119975B (zh) * | 2018-08-22 | 2020-04-28 | 许继集团有限公司 | 一种直流系统及其启动过程的断路器的失灵保护方法 |
CN110854826A (zh) * | 2019-10-18 | 2020-02-28 | 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 | 一种柔直换流阀三取二保护系统故障诊断和处理方法 |
CN110854826B (zh) * | 2019-10-18 | 2021-07-20 | 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 | 一种柔直换流阀三取二保护系统故障诊断和处理方法 |
CN112003257A (zh) * | 2020-07-29 | 2020-11-27 | 许继集团有限公司 | 一种防止直流耗能装置拒动的控制系统及方法 |
CN112531660A (zh) * | 2020-12-17 | 2021-03-19 | 国网辽宁省电力有限公司铁岭供电公司 | 一种直流电网中断路器失灵保护方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10693293B2 (en) | Fault protection in converter-based DC distribution systems | |
US6008971A (en) | Fault protection arrangement for electric power distribution systems | |
CN107611937B (zh) | 一种直流断路器的过电压保护电路及方法 | |
CN107732881A (zh) | 一种直流电网直流断路器失灵保护方法和装置 | |
CN102870181B (zh) | 高压dc断路器装置 | |
CN101297448B (zh) | 换流站 | |
CN106936120B (zh) | 一种直流电网线路故障保护方法 | |
CN105655879B (zh) | 智能变电站双母线接线方式110千伏系统母线合并单元双重化配置的电压布置方式 | |
CN101297449A (zh) | 传输系统 | |
JP2019527017A (ja) | 短絡回路故障からネットワークを保護しながら、当該ネットワーク内でdc電流を送信することができる装置を制御する方法 | |
EP3711128B1 (en) | Fault handling in a dc power system | |
CN106058829A (zh) | 一种用于配电系统的故障保护系统 | |
CN106684841A (zh) | 柔性直流电网系统直流短路故障保护方法及装置 | |
CN103166203A (zh) | 一种带方向的配电网络拓扑保护方法 | |
CN106505529A (zh) | 一种智能变电站低压母线保护方法 | |
CN105633917A (zh) | 一种基于统一潮流控制器的故障处理方法及系统 | |
CN106329492B (zh) | 一种基于系统拓扑的简易母线保护方法 | |
CN205811531U (zh) | 一种用于配电系统的故障保护系统 | |
CN109361197A (zh) | 一种过流保护装置及方法 | |
WO2012136241A1 (en) | Fault handling during circuit breaker maintenance in a double-breaker busbar switchyard | |
CN106207993A (zh) | 一种快速保护系统 | |
CN108493911B (zh) | 一种磁浮交通中压环网保护方法 | |
JP7181760B2 (ja) | 交直変換所の保護制御装置、直流送電システムの保護制御システム、並びに交直変換所の保護制御方法 | |
CN101051581B (zh) | 数字式变压器差动保护防止ta二次回路故障误动作判别方法 | |
CN109617030A (zh) | 一种地铁交流环网供电动态适应过流保护方法及系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: No. 1298 Xu Jie Avenue, Xuchang, Henan Province Applicant after: XJ ELECTRIC Co.,Ltd. Applicant after: XJ Group Corp. Applicant after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xu Jie Avenue, Xuchang, Henan Province Applicant before: XJ ELECTRIC Co.,Ltd. Applicant before: XJ Group Corp. Applicant before: State Grid Corporation of China |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20181116 Address after: No. 1298 Xu Jie Avenue, Xuchang, Henan Province Applicant after: XJ ELECTRIC Co.,Ltd. Applicant after: XJ Group Corp. Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: No. 1298 Xu Jie Avenue, Xuchang, Henan Province Applicant before: XJ ELECTRIC Co.,Ltd. Applicant before: XJ Group Corp. Applicant before: STATE GRID CORPORATION OF CHINA |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |