FR2147816A1 - - Google Patents

Info

Publication number
FR2147816A1
FR2147816A1 FR7128081A FR7128081A FR2147816A1 FR 2147816 A1 FR2147816 A1 FR 2147816A1 FR 7128081 A FR7128081 A FR 7128081A FR 7128081 A FR7128081 A FR 7128081A FR 2147816 A1 FR2147816 A1 FR 2147816A1
Authority
FR
France
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.)
Granted
Application number
FR7128081A
Other languages
French (fr)
Other versions
FR2147816B1 (en
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Priority to FR7128081A priority Critical patent/FR2147816B1/fr
Publication of FR2147816A1 publication Critical patent/FR2147816A1/fr
Application granted granted Critical
Publication of FR2147816B1 publication Critical patent/FR2147816B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H01F27/325—Coil bobbins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR7128081A 1971-07-30 1971-07-30 Expired FR2147816B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7128081A FR2147816B1 (en) 1971-07-30 1971-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7128081A FR2147816B1 (en) 1971-07-30 1971-07-30

Publications (2)

Publication Number Publication Date
FR2147816A1 true FR2147816A1 (en) 1973-03-11
FR2147816B1 FR2147816B1 (en) 1975-02-07

Family

ID=9081255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128081A Expired FR2147816B1 (en) 1971-07-30 1971-07-30

Country Status (1)

Country Link
FR (1) FR2147816B1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137867A1 (en) * 1983-10-17 1985-04-24 Wilhelm Sedlbauer GmbH Fixing device for wound toroidal cores
EP0258592A1 (en) * 1986-08-01 1988-03-09 Siemens Aktiengesellschaft Potential separation for a choke with an annular core
WO1990014674A1 (en) * 1989-05-19 1990-11-29 Siemens Aktiengesellschaft Valve choke, especially for high-voltage dc transmission systems
EP0456583A1 (en) * 1990-05-10 1991-11-13 Merlin Gerin Homopolar transformer for differential switches or circuit breakers, and mounting method
EP0558428A1 (en) * 1992-02-24 1993-09-01 Schneider Electric Sa Toroidal transformer for class A differential sensor
EP0570790A2 (en) * 1992-05-16 1993-11-24 ABBPATENT GmbH Box for a transformer for a ground fault current interrupter and transformer
EP0615269A1 (en) * 1993-03-09 1994-09-14 Hager Electro S.A. Device for detecting current unbalance, in particular for differential circuit breaker
EP0650172A1 (en) * 1993-10-25 1995-04-26 Legrand Housing for toroidal core and wound toroidal core with such housing
FR2802016A1 (en) * 1999-12-06 2001-06-08 Gen Electric Current transformer with correction of asymmetries, for use in earth leakage relays, uses magnetic probes to detect asymmetries, and removal of material or addition of magnetic paint to correct them
EP2993675A2 (en) 2014-09-02 2016-03-09 Schaffner Emv Ag Filter component with windingless magnetic toroidal core

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137867A1 (en) * 1983-10-17 1985-04-24 Wilhelm Sedlbauer GmbH Fixing device for wound toroidal cores
EP0258592A1 (en) * 1986-08-01 1988-03-09 Siemens Aktiengesellschaft Potential separation for a choke with an annular core
WO1990014674A1 (en) * 1989-05-19 1990-11-29 Siemens Aktiengesellschaft Valve choke, especially for high-voltage dc transmission systems
EP0456583A1 (en) * 1990-05-10 1991-11-13 Merlin Gerin Homopolar transformer for differential switches or circuit breakers, and mounting method
FR2662014A1 (en) * 1990-05-10 1991-11-15 Merlin Gerin HOMOPOLAR TRANSFORMER FOR DIFFERENTIAL SWITCHES OR CIRCUIT BREAKERS AND MOUNTING METHOD.
EP0558428A1 (en) * 1992-02-24 1993-09-01 Schneider Electric Sa Toroidal transformer for class A differential sensor
EP0570790A2 (en) * 1992-05-16 1993-11-24 ABBPATENT GmbH Box for a transformer for a ground fault current interrupter and transformer
EP0570790A3 (en) * 1992-05-16 1993-12-15 Abb Patent Gmbh Box for a transformer for a ground fault current interrupter and transformer
EP0615269A1 (en) * 1993-03-09 1994-09-14 Hager Electro S.A. Device for detecting current unbalance, in particular for differential circuit breaker
FR2702605A1 (en) * 1993-03-09 1994-09-16 Hager Electro Current imbalance detection device, in particular for differential switch.
EP0650172A1 (en) * 1993-10-25 1995-04-26 Legrand Housing for toroidal core and wound toroidal core with such housing
FR2711838A1 (en) * 1993-10-25 1995-05-05 Legrand Sa Toroid housing, and wound toroid comprising such a housing.
FR2802016A1 (en) * 1999-12-06 2001-06-08 Gen Electric Current transformer with correction of asymmetries, for use in earth leakage relays, uses magnetic probes to detect asymmetries, and removal of material or addition of magnetic paint to correct them
EP2993675A2 (en) 2014-09-02 2016-03-09 Schaffner Emv Ag Filter component with windingless magnetic toroidal core
US9866192B2 (en) 2014-09-02 2018-01-09 Schaffner Emv Ag Filter component with windingless magnetic toroidal core

Also Published As

Publication number Publication date
FR2147816B1 (en) 1975-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse