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FR2674674B1 - HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF. - Google Patents

HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF.

Info

Publication number
FR2674674B1
FR2674674B1 FR9103831A FR9103831A FR2674674B1 FR 2674674 B1 FR2674674 B1 FR 2674674B1 FR 9103831 A FR9103831 A FR 9103831A FR 9103831 A FR9103831 A FR 9103831A FR 2674674 B1 FR2674674 B1 FR 2674674B1
Authority
FR
France
Prior art keywords
manufacturing
magnetic circuit
mechanical constraints
circuit insensitive
homopolar
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
FR9103831A
Other languages
French (fr)
Other versions
FR2674674A1 (en
Inventor
Jacques Vallot
Marc Paupert
Alain Germain
Claude Burnot
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR9103831A priority Critical patent/FR2674674B1/en
Priority to ES92420074T priority patent/ES2079164T3/en
Priority to EP92420074A priority patent/EP0509936B1/en
Priority to DE1992604346 priority patent/DE69204346T2/en
Publication of FR2674674A1 publication Critical patent/FR2674674A1/en
Application granted granted Critical
Publication of FR2674674B1 publication Critical patent/FR2674674B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Dc-Dc Converters (AREA)
FR9103831A 1991-03-27 1991-03-27 HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF. Expired - Fee Related FR2674674B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9103831A FR2674674B1 (en) 1991-03-27 1991-03-27 HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF.
ES92420074T ES2079164T3 (en) 1991-03-27 1992-03-13 HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL VOLTAGES, AND MANUFACTURING PROCEDURE.
EP92420074A EP0509936B1 (en) 1991-03-27 1992-03-13 Homopolar transformer with magnetic circuit insensitive to mechanical stresses, and manufacturing method
DE1992604346 DE69204346T2 (en) 1991-03-27 1992-03-13 Homopolar transformer with magnetic circuit insensitive to mechanical stress, and manufacturing process.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103831A FR2674674B1 (en) 1991-03-27 1991-03-27 HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF.

Publications (2)

Publication Number Publication Date
FR2674674A1 FR2674674A1 (en) 1992-10-02
FR2674674B1 true FR2674674B1 (en) 1993-10-22

Family

ID=9411259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9103831A Expired - Fee Related FR2674674B1 (en) 1991-03-27 1991-03-27 HOMOPOLAR TRANSFORMER WITH MAGNETIC CIRCUIT INSENSITIVE TO MECHANICAL CONSTRAINTS, AND MANUFACTURING METHOD THEREOF.

Country Status (4)

Country Link
EP (1) EP0509936B1 (en)
DE (1) DE69204346T2 (en)
ES (1) ES2079164T3 (en)
FR (1) FR2674674B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9312004U1 (en) * 1993-08-11 1993-11-25 Siemens Matsushita Components GmbH & Co. KG, 81541 München Electrical component in chip design
JPH09246034A (en) * 1996-03-07 1997-09-19 Alps Electric Co Ltd Magnetic core for pulse transformer
PT907190E (en) * 1997-09-29 2002-11-29 Epcos Ag INDUCTIVE ELEMENT AND PROCESS FOR YOUR MANUFACTURE
DE29806050U1 (en) 1998-04-02 1998-08-13 Abb Patent Gmbh, 68309 Mannheim Receptacle for a toroidal core transformer, preferably for a residual current circuit breaker
DE10134056B8 (en) 2001-07-13 2014-05-28 Vacuumschmelze Gmbh & Co. Kg Process for the production of nanocrystalline magnetic cores and apparatus for carrying out the process
DE102007034532A1 (en) 2007-07-24 2009-02-05 Vacuumschmelze Gmbh & Co. Kg Magnetic core, process for its production and residual current circuit breaker
KR101228497B1 (en) * 2011-11-25 2013-01-31 주식회사 이랜텍 Transformer of improved joint strength
DE102012201002B4 (en) 2012-01-24 2022-10-06 Siemens Aktiengesellschaft Summation current transformer housing, summation current transformer and residual current circuit breaker
KR101966749B1 (en) * 2015-12-11 2019-04-08 주식회사 아모그린텍 Current transformer with magnetic shielding
CN105976992A (en) * 2016-07-05 2016-09-28 佛山诺亚电器有限公司 High-overload internal protection distribution transformer
DE102018106449A1 (en) * 2018-03-20 2019-09-26 Vacuumschmelze Gmbh & Co. Kg Magnetic assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523766A1 (en) * 1982-03-22 1983-09-23 Merlin Gerin AC or DC differential leakage current detector - includes transformer linkage between two mains wires and oscillator detector controlling cut=out relay
NL8401185A (en) * 1984-04-13 1985-11-01 Philips Nv TRANSFORMER WITH COAXIAL COILS.
JPH0239403A (en) * 1988-07-28 1990-02-08 Nagano Japan Radio Co Method for fixing magnetic core
JPH0266908A (en) * 1988-08-31 1990-03-07 Nippon Ferrite Ltd Magnetic core
JPH0654738B2 (en) * 1989-06-16 1994-07-20 日立フェライト株式会社 Magnetic core

Also Published As

Publication number Publication date
DE69204346D1 (en) 1995-10-05
EP0509936A2 (en) 1992-10-21
EP0509936B1 (en) 1995-08-30
EP0509936A3 (en) 1993-05-19
DE69204346T2 (en) 1996-04-18
ES2079164T3 (en) 1996-01-01
FR2674674A1 (en) 1992-10-02

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
CJ Change in legal form
TP Transmission of property
ST Notification of lapse

Effective date: 20091130