CN108711833B - 一种基于u-i特性的特高压直流输电线路保护方法 - Google Patents
一种基于u-i特性的特高压直流输电线路保护方法 Download PDFInfo
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- CN108711833B CN108711833B CN201810502116.3A CN201810502116A CN108711833B CN 108711833 B CN108711833 B CN 108711833B CN 201810502116 A CN201810502116 A CN 201810502116A CN 108711833 B CN108711833 B CN 108711833B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
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Classifications
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- Physics & Mathematics (AREA)
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- Direct Current Feeding And Distribution (AREA)
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CN201810502116.3A CN108711833B (zh) | 2018-05-23 | 2018-05-23 | 一种基于u-i特性的特高压直流输电线路保护方法 |
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CN201810502116.3A CN108711833B (zh) | 2018-05-23 | 2018-05-23 | 一种基于u-i特性的特高压直流输电线路保护方法 |
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CN108711833A CN108711833A (zh) | 2018-10-26 |
CN108711833B true CN108711833B (zh) | 2019-06-25 |
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CN110556803B (zh) * | 2019-10-08 | 2021-11-26 | 上海科技大学 | 基于动态状态估计的直流输配电线路继电保护方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654552A (zh) * | 2012-04-16 | 2012-09-05 | 昆明理工大学 | 一种特高压直流输电线路双端暂态电压保护方法 |
CN102820643A (zh) * | 2012-08-20 | 2012-12-12 | 山东大学 | 基于电压、电流突变方向的高压直流输电线路保护方法 |
CN106505536A (zh) * | 2016-11-22 | 2017-03-15 | 三峡大学 | 一种基于分布参数模型下利用电流突变特性的特高压直流线路保护方法 |
KR101790134B1 (ko) * | 2016-05-27 | 2017-10-25 | 엘지전자 주식회사 | 인버터의 고장진단 방법 |
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2018
- 2018-05-23 CN CN201810502116.3A patent/CN108711833B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654552A (zh) * | 2012-04-16 | 2012-09-05 | 昆明理工大学 | 一种特高压直流输电线路双端暂态电压保护方法 |
CN102820643A (zh) * | 2012-08-20 | 2012-12-12 | 山东大学 | 基于电压、电流突变方向的高压直流输电线路保护方法 |
KR101790134B1 (ko) * | 2016-05-27 | 2017-10-25 | 엘지전자 주식회사 | 인버터의 고장진단 방법 |
CN106505536A (zh) * | 2016-11-22 | 2017-03-15 | 三峡大学 | 一种基于分布参数模型下利用电流突变特性的特高压直流线路保护方法 |
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Application publication date: 20181026 Assignee: Yichang Yizhixing Technology Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980034895 Denomination of invention: A Protection Method for UHV DC Transmission Lines Based on U-I Characteristics Granted publication date: 20190625 License type: Common License Record date: 20230426 |
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Application publication date: 20181026 Assignee: Hubei Yispatiotemporal Unmanned Aerial Vehicle Technology Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980044218 Denomination of invention: A Protection Method for UHV DC Transmission Lines Based on U-I Characteristics Granted publication date: 20190625 License type: Common License Record date: 20231024 |