FR2655475B1 - SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER. - Google Patents

SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER.

Info

Publication number
FR2655475B1
FR2655475B1 FR8915884A FR8915884A FR2655475B1 FR 2655475 B1 FR2655475 B1 FR 2655475B1 FR 8915884 A FR8915884 A FR 8915884A FR 8915884 A FR8915884 A FR 8915884A FR 2655475 B1 FR2655475 B1 FR 2655475B1
Authority
FR
France
Prior art keywords
cut
power transformer
shielding device
out power
shielding
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 - Lifetime
Application number
FR8915884A
Other languages
French (fr)
Other versions
FR2655475A1 (en
Inventor
Buatois Jean-Yves
Bouillot Jean-Michel
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.)
Orega Electronique et Mecanique
Original Assignee
Orega Electronique et Mecanique
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
Priority to FR8915884A priority Critical patent/FR2655475B1/en
Application filed by Orega Electronique et Mecanique filed Critical Orega Electronique et Mecanique
Priority to EP90403369A priority patent/EP0430802B1/en
Priority to ES94400705T priority patent/ES2097613T3/en
Priority to SG1996004968A priority patent/SG46473A1/en
Priority to EP94400705A priority patent/EP0609155B1/en
Priority to ES90403369T priority patent/ES2088424T3/en
Priority to DE69027185T priority patent/DE69027185T2/en
Priority to SG1996008990A priority patent/SG46710A1/en
Priority to DE69029045T priority patent/DE69029045T2/en
Publication of FR2655475A1 publication Critical patent/FR2655475A1/en
Application granted granted Critical
Publication of FR2655475B1 publication Critical patent/FR2655475B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F2005/022—Coils wound on non-magnetic supports, e.g. formers wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications
FR8915884A 1989-12-01 1989-12-01 SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER. Expired - Lifetime FR2655475B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR8915884A FR2655475B1 (en) 1989-12-01 1989-12-01 SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER.
ES94400705T ES2097613T3 (en) 1989-12-01 1990-11-28 SHIELDING DEVICE FOR CUTTING POWER TRANSFORMER.
SG1996004968A SG46473A1 (en) 1989-12-01 1990-11-28 Screening device for switched-mode power supply transformer
EP94400705A EP0609155B1 (en) 1989-12-01 1990-11-28 Shielding device for a switching power supply transformer
EP90403369A EP0430802B1 (en) 1989-12-01 1990-11-28 Shielding device for a switching power supply transformer
ES90403369T ES2088424T3 (en) 1989-12-01 1990-11-28 SHIELDING DEVICE FOR CUTTING POWER TRANSFORMER.
DE69027185T DE69027185T2 (en) 1989-12-01 1990-11-28 Screen arrangement for a tramformer of a switching power supply
SG1996008990A SG46710A1 (en) 1989-12-01 1990-11-28 Screening device for switched-mode power supply transformer
DE69029045T DE69029045T2 (en) 1989-12-01 1990-11-28 Screen arrangement for a transformer of a switching power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8915884A FR2655475B1 (en) 1989-12-01 1989-12-01 SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER.

Publications (2)

Publication Number Publication Date
FR2655475A1 FR2655475A1 (en) 1991-06-07
FR2655475B1 true FR2655475B1 (en) 1992-02-21

Family

ID=9388042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8915884A Expired - Lifetime FR2655475B1 (en) 1989-12-01 1989-12-01 SHIELDING DEVICE FOR A CUT-OUT POWER TRANSFORMER.

Country Status (5)

Country Link
EP (2) EP0609155B1 (en)
DE (2) DE69029045T2 (en)
ES (2) ES2097613T3 (en)
FR (1) FR2655475B1 (en)
SG (2) SG46473A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3311391B2 (en) 1991-09-13 2002-08-05 ヴィエルティー コーポレーション Leakage inductance reducing transformer, high frequency circuit and power converter using the same, and method of reducing leakage inductance in transformer
EP0775765B1 (en) * 1995-11-27 2004-02-04 Vlt Corporation Plating permeable cores
FR2756967B1 (en) * 1996-12-09 1999-01-08 Thomson Television Components TRANSFORMER FOR HIGH-CUT FREQUENCY POWER SUPPLY

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069711B (en) * 1959-11-26
CH607264A5 (en) * 1975-05-23 1978-11-30 Landis & Gyr Ag Instrument transformer with earthed screen between windings
DE2931382A1 (en) * 1979-08-02 1981-02-26 Bosch Gmbh Robert SHORT RING SENSOR
DD200830A1 (en) * 1981-09-25 1983-06-15 Martin Dietrich HOCHSPANNUNGSABSCHIRMELEKTRODE
DE3147984A1 (en) * 1981-12-04 1983-06-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt TRANSFORMER, ESPECIALLY FOR A SWITCHING POWER SUPPLY IN A TELEVISION RECEIVER
IT8334023V0 (en) * 1983-05-09 1983-05-09 Ducati Elettrotecnica Spa SMT TRANSFORMER WITH FERRITE CORE.
JPS61137309A (en) * 1984-12-08 1986-06-25 Nissin Electric Co Ltd Gas insulated potential transformer

Also Published As

Publication number Publication date
FR2655475A1 (en) 1991-06-07
EP0609155B1 (en) 1996-10-30
DE69027185D1 (en) 1996-07-04
ES2097613T3 (en) 1997-04-01
EP0609155A2 (en) 1994-08-03
DE69029045T2 (en) 1997-09-25
SG46710A1 (en) 1998-02-20
SG46473A1 (en) 1998-02-20
EP0430802B1 (en) 1996-05-29
EP0609155A3 (en) 1994-12-14
EP0430802A1 (en) 1991-06-05
DE69027185T2 (en) 1996-11-07
ES2088424T3 (en) 1996-08-16
DE69029045D1 (en) 1996-12-05

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Legal Events

Date Code Title Description
ST Notification of lapse