ATE438190T1 - Vorrichtung und verfahren zur differentialen erkennung - Google Patents

Vorrichtung und verfahren zur differentialen erkennung

Info

Publication number
ATE438190T1
ATE438190T1 AT07354051T AT07354051T ATE438190T1 AT E438190 T1 ATE438190 T1 AT E438190T1 AT 07354051 T AT07354051 T AT 07354051T AT 07354051 T AT07354051 T AT 07354051T AT E438190 T1 ATE438190 T1 AT E438190T1
Authority
AT
Austria
Prior art keywords
band
magnetic
end part
differential detection
winded
Prior art date
Application number
AT07354051T
Other languages
English (en)
Inventor
Bruno Colin
Sebastien Buffat
Patrick Mas
Christian Chillet
Afef Kedous-Lebouc
Original Assignee
Schneider Electric Ind Sas
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 Schneider Electric Ind Sas filed Critical Schneider Electric Ind Sas
Application granted granted Critical
Publication of ATE438190T1 publication Critical patent/ATE438190T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Retarders (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AT07354051T 2006-12-12 2007-10-03 Vorrichtung und verfahren zur differentialen erkennung ATE438190T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0610827A FR2909800B1 (fr) 2006-12-12 2006-12-12 Tore et dispositif de detection differentielle.

Publications (1)

Publication Number Publication Date
ATE438190T1 true ATE438190T1 (de) 2009-08-15

Family

ID=38325440

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07354051T ATE438190T1 (de) 2006-12-12 2007-10-03 Vorrichtung und verfahren zur differentialen erkennung

Country Status (6)

Country Link
EP (1) EP1933342B1 (de)
CN (1) CN101226822B (de)
AT (1) ATE438190T1 (de)
DE (1) DE602007001769D1 (de)
ES (1) ES2328415T3 (de)
FR (1) FR2909800B1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759128A (en) * 1952-07-31 1956-08-14 I T E Circnit Breaker Company Reactors
US4366520A (en) * 1981-03-25 1982-12-28 Magnetic Metals Corporation Differential transformer core for pulse currents
DE3140866A1 (de) * 1981-10-14 1983-04-21 Siemens AG, 1000 Berlin und 8000 München Anordnung zur vermeidung von fehlimpulsen eines summenstromwandlers
FR2749987B1 (fr) * 1996-06-14 1998-08-07 Schneider Electric Sa Dispositif de protection differentielle immunise contre les declenchements intempestifs
DE19710742C2 (de) * 1997-03-14 1999-07-01 Siemens Ag Summenstrom-Wandleranordnung
US6023216A (en) * 1998-07-20 2000-02-08 Ohio Transformer Transformer coil and method
FR2799840B1 (fr) * 1999-10-15 2001-12-21 Rs Isolsec Capteur de courant differentiel
DE10237255C5 (de) * 2002-08-14 2009-05-20 Deutsch-Französisches Forschungsinstitut Saint-Louis, Saint-Louis Transformatorspule
CN100576376C (zh) * 2004-03-29 2009-12-30 达特默斯大学托管会 有隙铁芯上的磁性线圈的低交流电阻箔式绕组
FR2870040B1 (fr) * 2004-05-10 2006-06-09 Areva T & D Sa Transformateur de courant a bobinages de type rogowski comportant des circuits partiels associes pour former un circuit complet

Also Published As

Publication number Publication date
EP1933342A1 (de) 2008-06-18
EP1933342B1 (de) 2009-07-29
DE602007001769D1 (de) 2009-09-10
ES2328415T3 (es) 2009-11-12
CN101226822B (zh) 2011-09-28
CN101226822A (zh) 2008-07-23
FR2909800A1 (fr) 2008-06-13
FR2909800B1 (fr) 2009-01-09

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties