CN112582992B - 直流微网支路联动控制系统及方法 - Google Patents

直流微网支路联动控制系统及方法 Download PDF

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Publication number
CN112582992B
CN112582992B CN201910930907.0A CN201910930907A CN112582992B CN 112582992 B CN112582992 B CN 112582992B CN 201910930907 A CN201910930907 A CN 201910930907A CN 112582992 B CN112582992 B CN 112582992B
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China
Prior art keywords
branch
current
direct
microgrid
analysis
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CN201910930907.0A
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English (en)
Chinese (zh)
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CN112582992A (zh
Inventor
张广洁
宋万广
马小虎
岳圣鹏
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Beijing Etechwin Electric Co Ltd
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Beijing Etechwin Electric Co Ltd
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Priority to CN201910930907.0A priority Critical patent/CN112582992B/zh
Priority to PCT/CN2019/128721 priority patent/WO2021056896A1/fr
Publication of CN112582992A publication Critical patent/CN112582992A/zh
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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
    • 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
    • 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
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • 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
    • H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
    • 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
    • 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
    • H02H7/261—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 involving signal transmission between at least two stations
    • H02H7/263—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 involving signal transmission between at least two stations involving transmissions of measured values

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Emergency Protection Circuit Devices (AREA)
CN201910930907.0A 2019-09-29 2019-09-29 直流微网支路联动控制系统及方法 Active CN112582992B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910930907.0A CN112582992B (zh) 2019-09-29 2019-09-29 直流微网支路联动控制系统及方法
PCT/CN2019/128721 WO2021056896A1 (fr) 2019-09-29 2019-12-26 Procédé et système de commande de liaison de branche de micro-réseau à courant continu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910930907.0A CN112582992B (zh) 2019-09-29 2019-09-29 直流微网支路联动控制系统及方法

Publications (2)

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CN112582992A CN112582992A (zh) 2021-03-30
CN112582992B true CN112582992B (zh) 2022-08-09

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CN (1) CN112582992B (fr)
WO (1) WO2021056896A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113640622B (zh) * 2021-08-31 2023-09-22 广东电网有限责任公司 一种中低压直流微电网的故障检测方法及系统
CN113872164A (zh) * 2021-10-09 2021-12-31 深圳供电局有限公司 配电保护方法、装置、系统和存储介质
CN114498578B (zh) * 2021-12-28 2024-03-22 深圳供电局有限公司 直流供配电保护方法、装置、计算机设备及存储介质
US20230408601A1 (en) * 2022-06-17 2023-12-21 Honeywell Limited Fault detection in a power distribution system providing high voltage direct current through multiple channels with a floating ground

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809079A (zh) * 2014-02-17 2014-05-21 华北电力大学 一种适用于直流配电网络的双端高频阻抗式故障测距方法
CN104934950A (zh) * 2015-06-10 2015-09-23 西安理工大学 一种多级直流配电馈线的保护方法
CN108054736A (zh) * 2017-11-27 2018-05-18 山东大学 一种基于电压极波的多端柔性直流电网直流线路保护方法
CN108802570A (zh) * 2018-06-15 2018-11-13 贵州电网有限责任公司 一种用于交直流混联微电网的故障检测系统及检测方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07108063B2 (ja) * 1986-01-06 1995-11-15 中部電力株式会社 系統安定化装置
US8067942B2 (en) * 2007-09-28 2011-11-29 Florida State University Research Foundation Method for locating phase to ground faults in DC distribution systems
BR112018074873B8 (pt) * 2016-06-01 2024-01-09 Univ Pontificia Bolivariana Método e dispositivo para a detecção de falhas em sistemas de transmissão e de distribuição

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809079A (zh) * 2014-02-17 2014-05-21 华北电力大学 一种适用于直流配电网络的双端高频阻抗式故障测距方法
CN104934950A (zh) * 2015-06-10 2015-09-23 西安理工大学 一种多级直流配电馈线的保护方法
CN108054736A (zh) * 2017-11-27 2018-05-18 山东大学 一种基于电压极波的多端柔性直流电网直流线路保护方法
CN108802570A (zh) * 2018-06-15 2018-11-13 贵州电网有限责任公司 一种用于交直流混联微电网的故障检测系统及检测方法

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CN112582992A (zh) 2021-03-30
WO2021056896A1 (fr) 2021-04-01

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