CN104538949B - 远供电源系统及电缆短路故障的隔离方法 - Google Patents
远供电源系统及电缆短路故障的隔离方法 Download PDFInfo
- Publication number
- CN104538949B CN104538949B CN201410826932.1A CN201410826932A CN104538949B CN 104538949 B CN104538949 B CN 104538949B CN 201410826932 A CN201410826932 A CN 201410826932A CN 104538949 B CN104538949 B CN 104538949B
- Authority
- CN
- China
- Prior art keywords
- transmission cable
- remote
- current
- power system
- supply
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- 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
- H02H7/267—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 parallel lines and wires
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
I1 | I2 | 控制开关 |
|I1|<It | |I2|<It | 闭合 |
|I1|≥It | |I2|<It | 断开 |
|I1|<It | |I2|≥It | 断开 |
|I1|≥It | |I2|≥It | 断开 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410826932.1A CN104538949B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路故障的隔离方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410826932.1A CN104538949B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路故障的隔离方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104538949A CN104538949A (zh) | 2015-04-22 |
CN104538949B true CN104538949B (zh) | 2016-08-24 |
Family
ID=52854441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410826932.1A Active CN104538949B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路故障的隔离方法 |
Country Status (1)
Country | Link |
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CN (1) | CN104538949B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105656018B (zh) * | 2016-01-22 | 2018-05-11 | 济南爱默生电源有限公司 | 应用于高速公路直流远供电源交流局端机供电系统及方法 |
CN108155632A (zh) * | 2017-12-27 | 2018-06-12 | 中国船舶重工集团公司第七0三研究所 | 一种直流电源环路短路隔离模块 |
CN110034546B (zh) * | 2019-03-07 | 2021-06-04 | 中国人民解放军海军工程大学 | 逆变器与发电机并联供电的低压交流配电网短路保护方法 |
US20220200263A1 (en) * | 2019-04-24 | 2022-06-23 | Commonwealth Scientific And Industrial Research Organisation | Short-circuit mitigation device |
CN111834991B (zh) * | 2020-06-04 | 2022-03-29 | 广州京善电子有限公司 | 一种具备故障隔离功能的直流配电系统及智能控制器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH607399A5 (zh) * | 1976-05-25 | 1978-12-15 | Patelhold Patentverwertung | |
CN100596073C (zh) * | 2005-03-31 | 2010-03-24 | 华为技术有限公司 | 一种通信系统中的远程供电系统 |
-
2014
- 2014-12-26 CN CN201410826932.1A patent/CN104538949B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN104538949A (zh) | 2015-04-22 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Isolation method of remote power supply system and cable short circuit fault Effective date of registration: 20210913 Granted publication date: 20160824 Pledgee: Guangzhou Bank Co.,Ltd. Guangzhou Fangcun Branch Pledgor: GUANGZHOU DAZHONG ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021440000290 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230614 Granted publication date: 20160824 Pledgee: Guangzhou Bank Co.,Ltd. Guangzhou Fangcun Branch Pledgor: GUANGZHOU DAZHONG ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2021440000290 |