DK3723218T3 - Metode og anordning til håndtering af jævnstrømsbue - Google Patents

Metode og anordning til håndtering af jævnstrømsbue Download PDF

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Publication number
DK3723218T3
DK3723218T3 DK17936310.6T DK17936310T DK3723218T3 DK 3723218 T3 DK3723218 T3 DK 3723218T3 DK 17936310 T DK17936310 T DK 17936310T DK 3723218 T3 DK3723218 T3 DK 3723218T3
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DK
Denmark
Prior art keywords
handling
direction arch
arch
Prior art date
Application number
DK17936310.6T
Other languages
English (en)
Inventor
Fangcheng Liu
Kai Xin
Yunfeng Liu
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of DK3723218T3 publication Critical patent/DK3723218T3/da

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Classifications

    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • H02H1/0015—Using arc detectors
    • 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
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • 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
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Photovoltaic Devices (AREA)
DK17936310.6T 2017-12-29 2017-12-29 Metode og anordning til håndtering af jævnstrømsbue DK3723218T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/120040 WO2019127440A1 (zh) 2017-12-29 2017-12-29 一种直流电弧的处理方法及装置

Publications (1)

Publication Number Publication Date
DK3723218T3 true DK3723218T3 (da) 2022-01-31

Family

ID=67062885

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17936310.6T DK3723218T3 (da) 2017-12-29 2017-12-29 Metode og anordning til håndtering af jævnstrømsbue

Country Status (6)

Country Link
US (1) US11693062B2 (da)
EP (1) EP3723218B1 (da)
CN (1) CN111512511B (da)
DK (1) DK3723218T3 (da)
ES (1) ES2905541T3 (da)
WO (1) WO2019127440A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110908844B (zh) * 2019-10-24 2022-03-08 珠海格力电器股份有限公司 电弧故障检测方法、装置、计算机可读存储介质及插座
CN112305308B (zh) * 2020-10-21 2023-08-11 阳光电源股份有限公司 一种直流电弧检测方法、装置及组串逆变器
US11802897B2 (en) * 2021-02-19 2023-10-31 Huawei Digital Power Technologies Co., Ltd. Insulation impedance detection method, apparatus, and system
CN113189455B (zh) * 2021-04-02 2022-05-17 广东工业大学 一种基于局部放电量差异的动车组高压电缆缺陷程度评估方法
CN113687258A (zh) * 2021-09-10 2021-11-23 阳光电源股份有限公司 一种直流电源供电***及其直流电弧检测方法和装置
CN113884884B (zh) * 2021-10-21 2022-07-26 山东大学 一种基于相关性的动力电池组故障诊断方法及***
CN114280440B (zh) * 2022-03-04 2022-06-28 固德威技术股份有限公司 一种光伏直流电弧故障识别装置、识别方法及光伏***
CN114790549B (zh) * 2022-04-14 2024-02-02 青岛雅合科技发展有限公司 周期性动态直流干扰分析方法
CN115149900A (zh) * 2022-06-27 2022-10-04 华为数字技术（苏州）有限公司 光伏变换器以及光伏发电***

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8659856B2 (en) * 2005-12-09 2014-02-25 Hamilton Sundstrand Corporation DC arc fault detection and protection
JP5369490B2 (ja) * 2008-05-13 2013-12-18 シンフォニアテクノロジー株式会社 アーク検出装置及びこれを備えた航空機
CN102253293A (zh) * 2011-05-30 2011-11-23 南京航空航天大学 一种直流电弧故障检测方法及装置
US8599523B1 (en) * 2011-07-29 2013-12-03 Leviton Manufacturing Company, Inc. Arc fault circuit interrupter
DE102012218504A1 (de) * 2012-10-11 2014-04-17 Bender Gmbh & Co. Kg Differenzstrom-Überwachungseinrichtung mit Lichtbogenerkennung
EP2887082B1 (en) * 2013-12-23 2019-09-18 Sensata Technologies, Inc. Improved noise propagation immunity of a multi-string arc fault detection device
CN103913663B (zh) * 2014-04-21 2017-01-25 南京航空航天大学 一种直流***电弧故障在线检测方法和保护装置
CN104597344A (zh) 2015-01-08 2015-05-06 上海交通大学 基于小波一层高频分量相关性的故障电弧在线检测方法
CN104811135B (zh) 2015-04-16 2017-04-26 西安交通大学 一种共模信号干扰条件下的光伏***故障电弧检测方法
CN106771691A (zh) * 2015-11-20 2017-05-31 台达电子工业股份有限公司 改良型电弧侦测装置

Also Published As

Publication number Publication date
CN111512511A (zh) 2020-08-07
US11693062B2 (en) 2023-07-04
EP3723218B1 (en) 2021-12-29
US20200326385A1 (en) 2020-10-15
EP3723218A4 (en) 2020-12-16
ES2905541T3 (es) 2022-04-11
CN111512511B (zh) 2021-08-20
EP3723218A1 (en) 2020-10-14
WO2019127440A1 (zh) 2019-07-04

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