DE69304370T2 - Ringkerntransformator für Klasse-A-Differenzsensor - Google Patents

Ringkerntransformator für Klasse-A-Differenzsensor

Info

Publication number
DE69304370T2
DE69304370T2 DE1993604370 DE69304370T DE69304370T2 DE 69304370 T2 DE69304370 T2 DE 69304370T2 DE 1993604370 DE1993604370 DE 1993604370 DE 69304370 T DE69304370 T DE 69304370T DE 69304370 T2 DE69304370 T2 DE 69304370T2
Authority
DE
Germany
Prior art keywords
class
differential sensor
toroidal transformer
toroidal
transformer
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
DE1993604370
Other languages
English (en)
Other versions
DE69304370D1 (de
Inventor
Michel Vieux
Claude Vivarat-Martin
Jean-Louis Ducroquet
Elhoussaine Elfarissi
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 SE
Original Assignee
Schneider Electric SE
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 SE filed Critical Schneider Electric SE
Publication of DE69304370D1 publication Critical patent/DE69304370D1/de
Application granted granted Critical
Publication of DE69304370T2 publication Critical patent/DE69304370T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/16—Toroidal transformers
    • 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
    • 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
    • H01F2038/305—Constructions with toroidal magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Transformers For Measuring Instruments (AREA)
DE1993604370 1992-02-24 1993-02-19 Ringkerntransformator für Klasse-A-Differenzsensor Expired - Fee Related DE69304370T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9202200A FR2687831B1 (fr) 1992-02-24 1992-02-24 Transformateur en forme de tore pour capteur differentiel fonctionnant en classe a.

Publications (2)

Publication Number Publication Date
DE69304370D1 DE69304370D1 (de) 1996-10-10
DE69304370T2 true DE69304370T2 (de) 1997-02-20

Family

ID=9427040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993604370 Expired - Fee Related DE69304370T2 (de) 1992-02-24 1993-02-19 Ringkerntransformator für Klasse-A-Differenzsensor

Country Status (3)

Country Link
EP (1) EP0558428B1 (de)
DE (1) DE69304370T2 (de)
FR (1) FR2687831B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026706A1 (en) * 2009-09-04 2011-03-10 Osram Gesellschaft mit beschränkter Haftung Electronic transformer
DE102018106449A1 (de) * 2018-03-20 2019-09-26 Vacuumschmelze Gmbh & Co. Kg Magnetische Baugruppe

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19534560C2 (de) * 1995-09-18 1999-09-02 Siemens Ag Ringkern-Stromwandler
EP1884966A1 (de) * 2006-08-01 2008-02-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Trenntransformator
US10320358B2 (en) 2017-02-14 2019-06-11 Hamilton Sundstrand Corporation Magnetically coupled contactless damper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2147816B1 (de) * 1971-07-30 1975-02-07 Landis & Gyr Ag
DE3220737A1 (de) * 1982-06-02 1983-12-08 Siemens AG, 1000 Berlin und 8000 München Streufeldarme funk-entstoerdrossel
DE3307262A1 (de) * 1983-03-02 1984-09-06 Vogt Gmbh & Co Kg, 8391 Erlau Ringkern-entstoerdrossel mit gerichtetem streufeld

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026706A1 (en) * 2009-09-04 2011-03-10 Osram Gesellschaft mit beschränkter Haftung Electronic transformer
DE102018106449A1 (de) * 2018-03-20 2019-09-26 Vacuumschmelze Gmbh & Co. Kg Magnetische Baugruppe

Also Published As

Publication number Publication date
DE69304370D1 (de) 1996-10-10
FR2687831B1 (fr) 1994-04-08
EP0558428B1 (de) 1996-09-04
EP0558428A1 (de) 1993-09-01
FR2687831A1 (fr) 1993-08-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee