IT8067857A0 - Trasformatore elettrico - Google Patents

Trasformatore elettrico

Info

Publication number
IT8067857A0
IT8067857A0 IT8067857A IT6785780A IT8067857A0 IT 8067857 A0 IT8067857 A0 IT 8067857A0 IT 8067857 A IT8067857 A IT 8067857A IT 6785780 A IT6785780 A IT 6785780A IT 8067857 A0 IT8067857 A0 IT 8067857A0
Authority
IT
Italy
Prior art keywords
electrical transformer
transformer
electrical
Prior art date
Application number
IT8067857A
Other languages
English (en)
Other versions
IT1128792B (it
Inventor
Jan Van Laar
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT8067857A0 publication Critical patent/IT8067857A0/it
Application granted granted Critical
Publication of IT1128792B publication Critical patent/IT1128792B/it

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
    • H01F27/346—Preventing or reducing leakage fields
    • 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
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • 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
    • H01F2027/348—Preventing eddy currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Regulation Of General Use Transformers (AREA)
IT67857/80A 1979-06-05 1980-06-02 Trasformatore elettrico IT1128792B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7904379A NL7904379A (nl) 1979-06-05 1979-06-05 Transformator.

Publications (2)

Publication Number Publication Date
IT8067857A0 true IT8067857A0 (it) 1980-06-02
IT1128792B IT1128792B (it) 1986-06-04

Family

ID=19833296

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67857/80A IT1128792B (it) 1979-06-05 1980-06-02 Trasformatore elettrico

Country Status (8)

Country Link
US (1) US4356468A (it)
JP (1) JPS55162207A (it)
DE (1) DE3020400A1 (it)
ES (1) ES492099A0 (it)
FR (1) FR2458880B1 (it)
GB (1) GB2052166B (it)
IT (1) IT1128792B (it)
NL (1) NL7904379A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400675A (en) * 1981-11-05 1983-08-23 Westinghouse Electric Corp. Transformer with impedance matching means
US4613841A (en) * 1983-11-30 1986-09-23 General Electric Company Integrated transformer and inductor
IL78573A (en) * 1986-04-22 1990-02-09 Nachum Zabar Electromagnetic device
DE3703561A1 (de) * 1987-02-06 1988-08-18 Philips Patentverwaltung Induktives bauelement
JPH01171015U (it) * 1988-05-20 1989-12-04
DE3928792A1 (de) * 1989-08-31 1991-03-07 Philips Patentverwaltung Transformatoren fuer mit einer taktfrequenz intermittierenden betrieb
DE3940025A1 (de) * 1989-12-04 1991-06-06 Michael Riedel Transformatoren Abschirmwicklung fuer transformatoren aus magnetisierbarem material
NL9001350A (nl) * 1990-06-14 1992-01-02 Philips Nv Transformator met luchtspleet en isolatiefolie-pakket.
US5210514A (en) * 1990-08-17 1993-05-11 Tdk Corporation Coil device
US5107390A (en) * 1990-11-30 1992-04-21 Arrow Fastener Company, Inc. Shell-form transformer in a battery powered impact device
SE9504650L (sv) * 1995-12-27 1997-05-12 Asea Brown Boveri Transformator med supraledande lindningar
US6429762B1 (en) * 1997-08-18 2002-08-06 Compaq Information Technologies Group, L.P. Data communication isolation transformer with improved common-mode attenuation
DE29811368U1 (de) 1998-06-28 1998-09-24 Niggemeyer, Gert Günther, Ing.(grad.), 21244 Buchholz Zündimpulsübertrager für Vorschaltgeräte für Gasentladungslampen
JP3892180B2 (ja) * 1999-09-28 2007-03-14 株式会社電研精機研究所 障害波遮断変成器
SE520771C2 (sv) * 2000-09-08 2003-08-26 Emerson Energy Systems Ab Högfrekvensinduktor
US6606020B1 (en) * 2002-03-12 2003-08-12 William L. Fisher Low cost method of making a high impedance electrical transformer and products of said method
DE102005008302B4 (de) * 2005-02-16 2010-09-02 Siemens Ag Transformatorkern mit magnetischer Abschirmung
DE102012102398B4 (de) * 2012-03-21 2015-01-08 Maschinenfabrik Reinhausen Gmbh Leistungstransformator mit elektronischen Bauelementen
DE102014202531A1 (de) * 2014-02-12 2015-08-13 Siemens Aktiengesellschaft Hochspannungstransformatorvorrichtung mit einstellbarer Streuung, Wechselrichterschaltung mit einer Hochspannungstransformatorvorrichtung und Verwendung einer Hochspannungstransformatorvorrichtung
ES1134208Y (es) * 2014-11-07 2015-02-23 Premo S L Transformador con inductor integrado
US12255009B2 (en) 2018-05-16 2025-03-18 Solaredge Technologies Ltd. Partially-conducting transformer bobbin
US20220336150A1 (en) * 2019-09-20 2022-10-20 Philip Morris Products S.A. Inductive component and method for adjusting an inductance value

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US343602A (en) * 1886-06-15 Sest available cop
US1159226A (en) * 1913-06-21 1915-11-02 Gen Electric Transformer.
US2170048A (en) * 1935-03-20 1939-08-22 Edison Inc Thomas A Coupled circuit system
FR849466A (fr) * 1938-08-01 1939-11-24 Perfectionnements aux ensembles pneumatiques
FR894466A (fr) * 1942-03-14 1944-12-26 Philips Nv Bobine à haute fréquence comportant un organe électrique placé dans l'espace limité par l'enroulement
US2553324A (en) * 1949-07-27 1951-05-15 Gen Electric Wide band audio and video transformer
DE1056735B (de) * 1957-11-23 1959-05-06 Licentia Gmbh Abschirmung fuer Gleichstromwandler
DE1237677B (de) * 1964-08-01 1967-03-30 Siemens Ag Magnetschildanordnung fuer geschichtete Eisenkerne von Transformatoren und Drosselspulen
DE1901793C3 (de) * 1969-01-15 1973-01-11 Licentia Gmbh Anordnung zur Abschirmung von Hochfrequenzimpulsen bei Netzfrequenztransformatoren
NL7112860A (it) * 1971-09-17 1973-03-20
DE2444894A1 (de) * 1974-09-19 1976-04-08 Siemens Ag Transformator mit galvanischer trennung der primaer- und sekundaerseite
DE2608542A1 (de) * 1975-03-05 1976-09-16 Gen Electric Elektromagnetische abschirmung und elektrische umformereinrichtung mit einer solchen abschirmung
US4089049A (en) * 1975-06-11 1978-05-09 Sony Corporation Inverter circuit including transformer with shielding of undesired radiations
NO136773C (no) * 1976-01-14 1977-11-02 Nat Ind As Anordning for } lede den magnetiske spredefluks ved transformatorer eller reaktorer med kjerne

Also Published As

Publication number Publication date
FR2458880A1 (fr) 1981-01-02
FR2458880B1 (fr) 1985-09-13
GB2052166B (en) 1983-02-09
US4356468A (en) 1982-10-26
IT1128792B (it) 1986-06-04
JPS55162207A (en) 1980-12-17
DE3020400A1 (de) 1980-12-18
GB2052166A (en) 1981-01-21
NL7904379A (nl) 1980-12-09
ES8102408A1 (es) 1980-12-16
ES492099A0 (es) 1980-12-16

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