CN102834992B - 差动电流的故障电流分量的确定 - Google Patents

差动电流的故障电流分量的确定 Download PDF

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Publication number
CN102834992B
CN102834992B CN201180016409.7A CN201180016409A CN102834992B CN 102834992 B CN102834992 B CN 102834992B CN 201180016409 A CN201180016409 A CN 201180016409A CN 102834992 B CN102834992 B CN 102834992B
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current
electrical signal
differential
differential current
generator
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Chinese (zh)
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CN102834992A (zh
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G·贝滕沃特
S·别涅克
L·艾登米勒
O·普罗夫
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SMA Solar Technology AG
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SMA Solar Technology AG
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    • 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
    • H02H3/337—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 avoiding disconnection due to reactive fault currents
    • 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
    • H02H3/16—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 fault current to earth, frame or mass

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Control Of Eletrric Generators (AREA)
  • Inverter Devices (AREA)
CN201180016409.7A 2010-03-31 2011-03-31 差动电流的故障电流分量的确定 Active CN102834992B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10158654.3A EP2372857B1 (de) 2010-03-31 2010-03-31 Bestimmung des Fehlerstromanteils eines Differenzstroms
EP10158654.3 2010-03-31
PCT/EP2011/054976 WO2011121056A1 (en) 2010-03-31 2011-03-31 Determination of the fault current component of a differential current

Publications (2)

Publication Number Publication Date
CN102834992A CN102834992A (zh) 2012-12-19
CN102834992B true CN102834992B (zh) 2015-03-25

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CN201180016409.7A Active CN102834992B (zh) 2010-03-31 2011-03-31 差动电流的故障电流分量的确定

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US (1) US9350162B2 (enExample)
EP (1) EP2372857B1 (enExample)
JP (1) JP5672369B2 (enExample)
CN (1) CN102834992B (enExample)
CA (1) CA2794116A1 (enExample)
ES (1) ES2565005T3 (enExample)
WO (1) WO2011121056A1 (enExample)

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DE102010013642B4 (de) 2010-04-01 2022-01-20 Doepke Schaltgeräte GmbH Verfahren zum Kompensieren von Ableitströmen und Differenzstromschutz- oderÜberwachungseinrichtung
US9013060B2 (en) * 2010-04-30 2015-04-21 Infosys Limited Method and system for measuring, monitoring and controlling electrical power consumption
DE102011002084A1 (de) 2011-04-15 2012-10-18 Sma Solar Technology Ag Verfahren und Vorrichtung zur Bestimmung eines Fehlerstromanteils an einem Differenzstrom
CN102437548A (zh) * 2011-12-30 2012-05-02 邹溪 一种零剩余电流保护电路方法及其剩余电流保护断路器
DE102012016696A1 (de) * 2012-06-06 2013-12-12 Diehl Ako Stiftung & Co. Kg Schaltungsanordnung und Verfahren zur Gleichstromunterbrechung
CN104704378B (zh) * 2012-08-03 2017-09-19 艾思玛太阳能技术股份公司 用于在故障电流的出现方面监视逆变器的方法以及用于实施所述方法的逆变器
WO2014079775A1 (de) * 2012-11-21 2014-05-30 Sma Solar Technology Ag Isolationsmessverfahren für trafolose wechselrichter
WO2015007779A1 (de) 2013-07-18 2015-01-22 Sma Solar Technology Ag Verfahren und schaltungsanordnung mit mitteln zur ableitstromkompensation in einer photovoltaikanlage mit mehreren differenzstromsensoren
JP5705382B1 (ja) * 2013-11-22 2015-04-22 三菱電機株式会社 絶縁検出器及び電気機器
DE102013113000A1 (de) 2013-11-25 2015-05-28 Sma Solar Technology Ag Verfahren zum Betreiben eines Wechselrichters und Wechselrichter mit einem Schalter zwischen einem Mittelpunkt eines Gleichspannungszwischenkreises und einem Anschluss für einen Nullleiter eines Wechselstromnetzes
DE102013227174B4 (de) * 2013-12-27 2019-06-19 Fronius International Gmbh Vorrichtung und Verfahren zur Ermittlung eines Isolationswiderstandes einer Photovoltaikanlage
DE102015101870A1 (de) 2014-02-11 2015-08-13 Sma Solar Technology Ag Verfahren zur Kompensation eines über eine Ableitkapazität fließenden Anteils an einem Differenzstrom und zur Durchführung des Verfahrens geeigneter Wechselrichter
JP6326309B2 (ja) * 2014-07-02 2018-05-16 ルネサスエレクトロニクス株式会社 アイソレータ、半導体装置及びアイソレータの制御方法
DE102017129083A1 (de) * 2017-12-06 2019-06-06 Sma Solar Technology Ag Fehlabschaltsicheres Betriebsverfahren für eine dezentrale Energieerzeugungsanlage
DE102018118259A1 (de) 2018-07-27 2020-01-30 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur Reduktion von Ableitströmen
CN109361199B (zh) * 2018-10-10 2023-10-20 国网浙江省电力有限公司台州供电公司 用于光伏电站送出线上过渡电阻接地故障的保护方法
DE102019121961A1 (de) * 2019-08-15 2021-02-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kompensationsvorrichtung zur Kompensation von Ableitströmen
DE102019126438B4 (de) 2019-10-01 2021-12-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kompensationsvorrichtung für Ableitströme
DE102019007224B3 (de) * 2019-10-17 2021-03-25 SAFETYTEST GmbH Verfahren und Vorrichtung zum Bestimmen des resistiven Anteils der Ableitstromimpedanz im Wechselstromnetz
CN111157777B (zh) * 2020-01-14 2020-11-27 清华大学 一种双磁芯测量差分泄漏电流传感器设计方法
CN111157776A (zh) * 2020-01-14 2020-05-15 清华大学 一种电力设备绝缘泄漏电流的双磁芯传感器
DE102020123493A1 (de) 2020-09-09 2022-03-10 Sma Solar Technology Ag Vorrichtung und verfahren zur detektion eines fehlerstroms in einer photovoltaik-anlage, sowie photovoltaik-wechselrichter mit der vorrichtung
WO2021254806A1 (de) 2020-06-15 2021-12-23 Sma Solar Technology Ag Vorrichtung und verfahren zur detektion eines fehlerstroms in einer photovoltaik-anlage, sowie photovoltaik-wechselrichter mit der vorrichtung
DE102020115757A1 (de) 2020-06-15 2021-12-16 Sma Solar Technology Ag Vorrichtung und verfahren zur detektion eines fehlerstroms in einer photovoltaik-anlage, sowie photovoltaik-wechselrichter mit der vorrichtung
DE102020119106B3 (de) 2020-07-21 2021-11-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung zur Erzeugung eines Kompensationsstroms
DE102020131512A1 (de) 2020-11-27 2022-06-02 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung zur Erzeugung eines Kompensationsstroms
US11411385B2 (en) * 2020-12-03 2022-08-09 Kedu Electric Co., Ltd. Timing leakage protection circuit and device containing same
EP4123326B1 (de) * 2021-07-23 2024-05-01 A. Eberle GmbH & Co. Kg Verfahren zur rekonstruktion von fehlerstrom und ableitstrom aus dem differenzstrom von oder in mehrleitersystemen
DE102022131311A1 (de) * 2022-11-28 2024-05-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur Kompensation von Ableitströmen in einem elektrischen Leistungswandler

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CN1373368A (zh) * 2001-02-02 2002-10-09 佳能株式会社 检测太阳能发电系统接地故障的装置和方法
DE10253864A1 (de) * 2002-11-15 2004-06-03 Siemens Ag Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung
JP2005065382A (ja) * 2003-08-08 2005-03-10 Omron Corp 直流電流検出回路及び直流地絡電流検出回路
JP3811194B2 (ja) * 1992-10-27 2006-08-16 イートン コーポレーション 引きはずし及びプログラミング機能の可視インディケーターを備えた過電流保護装置

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JP3811194B2 (ja) * 1992-10-27 2006-08-16 イートン コーポレーション 引きはずし及びプログラミング機能の可視インディケーターを備えた過電流保護装置
JPH11509400A (ja) * 1995-07-15 1999-08-17 スミスズ インダストリーズ パブリック リミテッド カンパニー 回路保護装置のスイッチング制御方法
CN1373368A (zh) * 2001-02-02 2002-10-09 佳能株式会社 检测太阳能发电系统接地故障的装置和方法
DE10253864A1 (de) * 2002-11-15 2004-06-03 Siemens Ag Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung
JP2005065382A (ja) * 2003-08-08 2005-03-10 Omron Corp 直流電流検出回路及び直流地絡電流検出回路

Also Published As

Publication number Publication date
US20130043880A1 (en) 2013-02-21
CA2794116A1 (en) 2011-10-06
EP2372857A1 (de) 2011-10-05
ES2565005T3 (es) 2016-03-30
EP2372857A8 (de) 2011-11-30
JP2013527738A (ja) 2013-06-27
US9350162B2 (en) 2016-05-24
EP2372857B1 (de) 2015-10-07
WO2011121056A1 (en) 2011-10-06
JP5672369B2 (ja) 2015-02-18
CN102834992A (zh) 2012-12-19

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