CA2794116A1 - Determination of the fault current component of a differential current - Google Patents
Determination of the fault current component of a differential current Download PDFInfo
- Publication number
- CA2794116A1 CA2794116A1 CA2794116A CA2794116A CA2794116A1 CA 2794116 A1 CA2794116 A1 CA 2794116A1 CA 2794116 A CA2794116 A CA 2794116A CA 2794116 A CA2794116 A CA 2794116A CA 2794116 A1 CA2794116 A1 CA 2794116A1
- Authority
- CA
- Canada
- Prior art keywords
- current
- electric signal
- differential current
- differential
- generator
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 claims description 49
- 239000003990 capacitor Substances 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 34
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H02H3/26—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
Landscapes
- 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CA2794116A1 true CA2794116A1 (en) | 2011-10-06 |
Family
ID=42342725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2794116A Abandoned CA2794116A1 (en) | 2010-03-31 | 2011-03-31 | Determination of the fault current component of a differential current |
Country Status (7)
| Country | Link |
|---|---|
| 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) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138707A (en) | 1977-07-21 | 1979-02-06 | Gross Thomas A O | Ground fault protective systems with predetection neutralization of reactive currents |
| US4837519A (en) | 1985-09-06 | 1989-06-06 | Southern California Edison Company | Fault detection |
| US6055145A (en) * | 1990-12-28 | 2000-04-25 | Eaton Corporation | Overcurrent protection device with visual indicators for trip and programming functions |
| GB9514528D0 (en) * | 1995-07-15 | 1995-09-13 | Smiths Industries Plc | Electrical apparatus |
| JPH10322885A (ja) | 1997-05-14 | 1998-12-04 | Canon Inc | 太陽光発電装置 |
| ES2196582T3 (es) | 1997-06-17 | 2003-12-16 | Walther Bender Gmbh & Co Kg Di | Procedimiento y dispositivo para controlar el aislamiento y la corriente de falta en una red electrica de corriente alterna. |
| US6172509B1 (en) * | 1999-02-11 | 2001-01-09 | The United States Of America As Represented By The Secretary Of The Air Force | Detecting polyphase machine faults via current deviation |
| US6625551B1 (en) * | 2000-06-09 | 2003-09-23 | Siemens Aktiengesellschaft | Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses |
| JP2002233045A (ja) | 2001-02-02 | 2002-08-16 | Canon Inc | 太陽光発電システムの地絡検出のための装置及び方法 |
| JP2003098215A (ja) * | 2001-09-26 | 2003-04-03 | Canon Inc | 電力変換システムにおける地絡検出のための装置及び方法 |
| DE10253864B4 (de) * | 2002-11-15 | 2005-04-21 | Siemens Ag | Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung |
| JP3966251B2 (ja) * | 2003-08-08 | 2007-08-29 | オムロン株式会社 | 直流電流検出回路及び直流地絡電流検出回路 |
| US20080077336A1 (en) | 2006-09-25 | 2008-03-27 | Roosevelt Fernandes | Power line universal monitor |
| JP2008164375A (ja) * | 2006-12-27 | 2008-07-17 | Sbc Co Ltd | 電気機器における漏洩電流測定装置及び漏洩電流測定方法 |
| US8022710B2 (en) * | 2008-01-18 | 2011-09-20 | GM Global Technology Operations LLC | Methods for common mode voltage-based AC fault detection, verification and/or identification |
| US8023245B2 (en) | 2008-10-13 | 2011-09-20 | Hamilton Sundstrand Corporation | Lightning strike mitigation for aircraft |
| US20130300428A1 (en) | 2010-03-31 | 2013-11-14 | Sma Solar Technology Ag | Determination of a Stray Capacitance of an AC Current Generator |
-
2010
- 2010-03-31 ES ES10158654.3T patent/ES2565005T3/es active Active
- 2010-03-31 EP EP10158654.3A patent/EP2372857B1/de active Active
-
2011
- 2011-03-31 JP JP2013501842A patent/JP5672369B2/ja active Active
- 2011-03-31 CA CA2794116A patent/CA2794116A1/en not_active Abandoned
- 2011-03-31 CN CN201180016409.7A patent/CN102834992B/zh active Active
- 2011-03-31 WO PCT/EP2011/054976 patent/WO2011121056A1/en not_active Ceased
-
2012
- 2012-09-27 US US13/628,174 patent/US9350162B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20130043880A1 (en) | 2013-02-21 |
| EP2372857A1 (de) | 2011-10-05 |
| ES2565005T3 (es) | 2016-03-30 |
| EP2372857A8 (de) | 2011-11-30 |
| CN102834992B (zh) | 2015-03-25 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20170331 |