CN104600691B - 远供电源系统及电缆短路时防止越级保护方法 - Google Patents
远供电源系统及电缆短路时防止越级保护方法 Download PDFInfo
- Publication number
- CN104600691B CN104600691B CN201410826873.8A CN201410826873A CN104600691B CN 104600691 B CN104600691 B CN 104600691B CN 201410826873 A CN201410826873 A CN 201410826873A CN 104600691 B CN104600691 B CN 104600691B
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- CN
- China
- Prior art keywords
- remote controller
- remote
- current
- power supply
- switch
- Prior art date
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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
- H02H7/268—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
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 |
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CN201410826873.8A CN104600691B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路时防止越级保护方法 |
Applications Claiming Priority (1)
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CN201410826873.8A CN104600691B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路时防止越级保护方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104600691A CN104600691A (zh) | 2015-05-06 |
CN104600691B true CN104600691B (zh) | 2017-01-11 |
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CN201410826873.8A Active CN104600691B (zh) | 2014-12-26 | 2014-12-26 | 远供电源系统及电缆短路时防止越级保护方法 |
Country Status (1)
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CN (1) | CN104600691B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106684851A (zh) * | 2016-12-30 | 2017-05-17 | 广州大中科技发展有限公司 | 一种安全供电的方法及系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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2014
- 2014-12-26 CN CN201410826873.8A patent/CN104600691B/zh active Active
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Publication number | Publication date |
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CN104600691A (zh) | 2015-05-06 |
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Legal Events
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for preventing over grade protection in case of remote power supply system and cable short circuit Effective date of registration: 20210913 Granted publication date: 20170111 Pledgee: Guangzhou Bank Co.,Ltd. Guangzhou Fangcun Branch Pledgor: GUANGZHOU DAZHONG ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021440000290 |
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PE01 | Entry into force 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: 20170111 Pledgee: Guangzhou Bank Co.,Ltd. Guangzhou Fangcun Branch Pledgor: GUANGZHOU DAZHONG ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2021440000290 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |