IN2012DE00270A - - Google Patents

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Publication number
IN2012DE00270A
IN2012DE00270A IN270DE2012A IN2012DE00270A IN 2012DE00270 A IN2012DE00270 A IN 2012DE00270A IN 270DE2012 A IN270DE2012 A IN 270DE2012A IN 2012DE00270 A IN2012DE00270 A IN 2012DE00270A
Authority
IN
India
Prior art keywords
harmonic components
determining
determined
neutral admittance
residual
Prior art date
Application number
Other languages
English (en)
Inventor
Ari Wahlroos
Janne Altonen
Original Assignee
Abb Technology Ag
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 Abb Technology Ag filed Critical Abb Technology Ag
Publication of IN2012DE00270A publication Critical patent/IN2012DE00270A/en

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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
    • H02H3/40—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 ratio of voltage and current
    • H02H3/402—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 ratio of voltage and current using homopolar quantities
    • 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

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
IN270DE2012 2011-02-11 2012-01-31 IN2012DE00270A (uk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11154146.2A EP2487766B1 (en) 2011-02-11 2011-02-11 Method and apparatus for detecting earth fault

Publications (1)

Publication Number Publication Date
IN2012DE00270A true IN2012DE00270A (uk) 2015-07-10

Family

ID=43921978

Family Applications (1)

Application Number Title Priority Date Filing Date
IN270DE2012 IN2012DE00270A (uk) 2011-02-11 2012-01-31

Country Status (4)

Country Link
US (1) US8981785B2 (uk)
EP (1) EP2487766B1 (uk)
CN (1) CN102636729B (uk)
IN (1) IN2012DE00270A (uk)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012220692B4 (de) * 2012-11-13 2019-05-29 Bender Gmbh & Co. Kg Verfahren und Vorrichtung zur Überwachung eines Prüfintervalls für eine Fehlerstrom-Schutzeinrichtung
NO2908397T3 (uk) * 2014-02-14 2018-01-06
CN103941152B (zh) * 2014-04-03 2016-09-14 昆明理工大学 一种基于波形相似性的k-NN算法的缆线混合线路故障测距方法
CN104280665A (zh) * 2014-09-29 2015-01-14 天津市翔晟远电力设备实业有限公司 配电网用的故障检测系统及其检测方法
FI125428B (fi) * 2014-10-28 2015-10-15 Arcteq Relays Oy Menetelmä sähkönjakeluverkon suojaukseen transienttityyppisien maasulkujen eliminoimiseksi
CN110350483B (zh) 2018-04-04 2022-03-08 台达电子工业股份有限公司 具有接地故障检测功能的功率变流装置以及故障检测方法
EP3570399B1 (en) * 2018-05-18 2022-03-16 ABB Schweiz AG Method and apparatus for use in earth-fault protection
DE102020002618A1 (de) 2020-04-30 2021-11-04 A. Eberle Gmbh & Co. Kg Verfahren zur Erkennung und/oder Ortung von Erdschlüssen
CN113125904B (zh) * 2021-04-20 2022-01-28 西南交通大学 一种基于站域信息的整流站故障区域识别方法
CN114578186B (zh) * 2022-02-28 2023-03-31 四川大学 一种基于伏安特性分析的电缆早期故障严重程度评价方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261038A (en) * 1978-02-28 1981-04-07 National Research Development Corporation Protection of electrical power supply systems
DE19640821B4 (de) * 1996-10-02 2014-10-30 Lothar Fickert Verfahren und Einrichtung zur Erfassung von Erdschlüssen
FI108168B (fi) * 2000-03-27 2001-11-30 Abb Substation Automation Oy Menetelmä sähköverkon lähdön sähköisen eristystilan määrittämiseksi
JP4167872B2 (ja) * 2001-10-04 2008-10-22 株式会社日立産機システム 漏れ電流の監視装置及びその監視システム
CN101291054B (zh) * 2008-06-11 2010-04-21 刘树祥 电力系统接地故障残流诊断保护方法
CN101363880B (zh) * 2008-08-01 2010-12-01 武汉大学 一种利用工频干扰源带电测量输电线路零序导纳的方法
EP2192416B1 (en) * 2008-11-26 2018-01-03 ABB Schweiz AG Method and apparatus for detecting a phase-to-earth fault
CN101951010B (zh) * 2010-08-23 2012-07-25 南京弘毅电气自动化有限公司 一种小电流接地系统的接地保护方法

Also Published As

Publication number Publication date
EP2487766B1 (en) 2015-08-26
EP2487766A1 (en) 2012-08-15
CN102636729A (zh) 2012-08-15
US8981785B2 (en) 2015-03-17
CN102636729B (zh) 2015-04-01
US20130043879A1 (en) 2013-02-21

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