FR2909800B1 - Tore et dispositif de detection differentielle. - Google Patents

Tore et dispositif de detection differentielle.

Info

Publication number
FR2909800B1
FR2909800B1 FR0610827A FR0610827A FR2909800B1 FR 2909800 B1 FR2909800 B1 FR 2909800B1 FR 0610827 A FR0610827 A FR 0610827A FR 0610827 A FR0610827 A FR 0610827A FR 2909800 B1 FR2909800 B1 FR 2909800B1
Authority
FR
France
Prior art keywords
band
magnetic
tore
detection device
end part
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.)
Expired - Fee Related
Application number
FR0610827A
Other languages
English (en)
Other versions
FR2909800A1 (fr
Inventor
Bruno Colin
Sebastien Buffat
Patrick Mas
Christian Chillet
Lebouc Afef Kedous
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries 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 Industries SAS filed Critical Schneider Electric Industries SAS
Priority to FR0610827A priority Critical patent/FR2909800B1/fr
Priority to AT07354051T priority patent/ATE438190T1/de
Priority to EP07354051A priority patent/EP1933342B1/fr
Priority to DE602007001769T priority patent/DE602007001769D1/de
Priority to ES07354051T priority patent/ES2328415T3/es
Priority to CN2007101997366A priority patent/CN101226822B/zh
Publication of FR2909800A1 publication Critical patent/FR2909800A1/fr
Application granted granted Critical
Publication of FR2909800B1 publication Critical patent/FR2909800B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
FR0610827A 2006-12-12 2006-12-12 Tore et dispositif de detection differentielle. Expired - Fee Related FR2909800B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0610827A FR2909800B1 (fr) 2006-12-12 2006-12-12 Tore et dispositif de detection differentielle.
AT07354051T ATE438190T1 (de) 2006-12-12 2007-10-03 Vorrichtung und verfahren zur differentialen erkennung
EP07354051A EP1933342B1 (fr) 2006-12-12 2007-10-03 Tore et dispositif de détection differentielle
DE602007001769T DE602007001769D1 (de) 2006-12-12 2007-10-03 Vorrichtung und Verfahren zur differentialen Erkennung
ES07354051T ES2328415T3 (es) 2006-12-12 2007-10-03 Toroide y dispositivo de deteccion diferencial.
CN2007101997366A CN101226822B (zh) 2006-12-12 2007-12-12 差动探测环形线圈及装置

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 (2)

Publication Number Publication Date
FR2909800A1 FR2909800A1 (fr) 2008-06-13
FR2909800B1 true FR2909800B1 (fr) 2009-01-09

Family

ID=38325440

Family Applications (1)

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

Country Status (6)

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

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
US7701317B2 (en) * 2004-03-29 2010-04-20 The Trustees Of Dartmouth College Low AC resistant foil winding for magnetic coils on gapped cores
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
CN101226822B (zh) 2011-09-28
EP1933342A1 (fr) 2008-06-18
FR2909800A1 (fr) 2008-06-13
ATE438190T1 (de) 2009-08-15
ES2328415T3 (es) 2009-11-12
DE602007001769D1 (de) 2009-09-10
EP1933342B1 (fr) 2009-07-29
CN101226822A (zh) 2008-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110831