CN115552755A - 一种故障保护装置 - Google Patents

一种故障保护装置 Download PDF

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Publication number
CN115552755A
CN115552755A CN202080100672.3A CN202080100672A CN115552755A CN 115552755 A CN115552755 A CN 115552755A CN 202080100672 A CN202080100672 A CN 202080100672A CN 115552755 A CN115552755 A CN 115552755A
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CN
China
Prior art keywords
port
diode
bus
fault protection
protection device
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
Application number
CN202080100672.3A
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English (en)
Inventor
陈东
高拥兵
石磊
王勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Digital Power Technologies Co Ltd
Original Assignee
Huawei Digital Power Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Digital Power Technologies Co Ltd filed Critical Huawei Digital Power Technologies Co Ltd
Publication of CN115552755A publication Critical patent/CN115552755A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
    • 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
    • H02H7/20—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 electronic equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • 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
    • 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
    • H02J1/12—Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Power Steering Mechanism (AREA)
  • Inverter Devices (AREA)

Abstract

本申请实施例提供了一种故障保护装置，用于在保护公共直流母线电力系统安全可靠的情况下，降低电力系统的成本。该故障保护装置包括：第一二极管、第一开关器件、控制单元、第一端口、第二端口、第三端口、第四端口以及第五端口；第一端口与公共直流母线中的正公共直流母线相连，第二端口与公共直流母线中的负公共直流母线相连，第三端口与故障保护装置所处支路的正本地母线相连，第四端口与故障保护装置所处支路的负本地母线相连，第五端口一侧与第一开关器件的控制端相连；第一二极管和第一开关器件通过第一端口、第二端口、第三端口以及第四端口接入电力系统；第五端口的另一侧与控制单元相连，控制单元发送驱动信号控制第一开关器件。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN202080100672.3A 2020-06-01 2020-06-01 一种故障保护装置 Pending CN115552755A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/093669 WO2021243501A1 (zh) 2020-06-01 2020-06-01 一种故障保护装置

Publications (1)

Publication Number Publication Date
CN115552755A true CN115552755A (zh) 2022-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080100672.3A Pending CN115552755A (zh) 2020-06-01 2020-06-01 一种故障保护装置

Country Status (5)

Country Link
US (1) US20230086269A1 (zh)
EP (1) EP4152548A4 (zh)
CN (1) CN115552755A (zh)
AU (1) AU2020451937A1 (zh)
WO (1) WO2021243501A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019106257A1 (de) * 2019-03-12 2020-09-17 Sma Solar Technology Ag Batterie-Wechselrichtersystem
US20240039291A1 (en) * 2022-07-31 2024-02-01 Bloom Energy Corporation Fuel cell based microgrid
GB2621373A (en) * 2022-08-10 2024-02-14 Eaton Intelligent Power Ltd Multiport protection apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105262138A (zh) * 2015-11-26 2016-01-20 浙江昱能科技有限公司 一种光伏组件优化器
EP3113311A1 (en) * 2014-02-27 2017-01-04 NR Electric Co., Ltd. Direct-current transmission protection apparatus, current converter, and protection method
US20180248359A1 (en) * 2017-02-28 2018-08-30 Sungrow Power Supply Co., Ltd. Photovoltaic rapid shutdown device and photovoltaic system
CN109638882A (zh) * 2018-12-29 2019-04-16 华为数字技术（苏州）有限公司 光伏系统
CN110429644A (zh) * 2019-07-31 2019-11-08 华为技术有限公司 逆变装置及供电系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9660439B2 (en) * 2015-06-05 2017-05-23 General Electric Company Direct current power distribution and protection system
CN105375509B (zh) * 2015-09-21 2017-12-19 北京科诺伟业科技股份有限公司 星型三相交流串联式光伏方阵
CN106788216B (zh) * 2017-02-10 2020-01-24 阳光电源股份有限公司 一种光伏逆变系统以及光伏逆变方法
CN107565600B (zh) * 2017-09-15 2020-04-03 华为数字技术（苏州）有限公司 光伏功率优化器及其控制方法、装置、光伏发电系统
CN109831107B (zh) * 2019-02-28 2021-06-22 华为技术有限公司 一种功率变换装置以及控制功率变换装置输出阻抗的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3113311A1 (en) * 2014-02-27 2017-01-04 NR Electric Co., Ltd. Direct-current transmission protection apparatus, current converter, and protection method
CN105262138A (zh) * 2015-11-26 2016-01-20 浙江昱能科技有限公司 一种光伏组件优化器
US20180248359A1 (en) * 2017-02-28 2018-08-30 Sungrow Power Supply Co., Ltd. Photovoltaic rapid shutdown device and photovoltaic system
CN109638882A (zh) * 2018-12-29 2019-04-16 华为数字技术（苏州）有限公司 光伏系统
CN110429644A (zh) * 2019-07-31 2019-11-08 华为技术有限公司 逆变装置及供电系统

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Publication number Publication date
EP4152548A1 (en) 2023-03-22
US20230086269A1 (en) 2023-03-23
AU2020451937A1 (en) 2023-01-19
WO2021243501A1 (zh) 2021-12-09
EP4152548A4 (en) 2023-06-28

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