BR7902662A - Transformador de potencia - Google Patents

Transformador de potencia

Info

Publication number
BR7902662A
BR7902662A BR7902662A BR7902662A BR7902662A BR 7902662 A BR7902662 A BR 7902662A BR 7902662 A BR7902662 A BR 7902662A BR 7902662 A BR7902662 A BR 7902662A BR 7902662 A BR7902662 A BR 7902662A
Authority
BR
Brazil
Prior art keywords
power transformer
transformer
power
Prior art date
Application number
BR7902662A
Other languages
English (en)
Inventor
J Sundin
E Persson
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of BR7902662A publication Critical patent/BR7902662A/pt

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)
BR7902662A 1978-05-02 1979-04-30 Transformador de potencia BR7902662A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7804989A SE413716B (sv) 1978-05-02 1978-05-02 Krafttransformator eller reaktor

Publications (1)

Publication Number Publication Date
BR7902662A true BR7902662A (pt) 1979-11-27

Family

ID=20334795

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902662A BR7902662A (pt) 1978-05-02 1979-04-30 Transformador de potencia

Country Status (12)

Country Link
US (1) US4259654A (pt)
JP (1) JPS54145917A (pt)
BE (1) BE875925A (pt)
BR (1) BR7902662A (pt)
CA (1) CA1122289A (pt)
CH (1) CH649862A5 (pt)
DE (1) DE2915791C2 (pt)
FR (1) FR2425138A1 (pt)
GB (1) GB2025148B (pt)
NO (1) NO151102C (pt)
SE (1) SE413716B (pt)
ZA (1) ZA792081B (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418234B (sv) * 1979-08-14 1981-05-11 Asea Ab Krafttransformator eller reaktor
DE3236117A1 (de) * 1982-09-29 1984-03-29 Transformatoren Union Ag, 7000 Stuttgart Drossel mit wicklungen um kernschenkel aus eisenkernscheiben
SE435330B (sv) * 1983-02-10 1984-09-17 Asea Ab Induktiv apparat
JP3311391B2 (ja) * 1991-09-13 2002-08-05 ヴィエルティー コーポレーション 漏洩インダクタンス低減トランス、これを用いた高周波回路及びパワーコンバータ並びにトランスにおける漏洩インダクタンスの低減方法
US5304767A (en) * 1992-11-13 1994-04-19 Gas Research Institute Low emission induction heating coil
DE69631462D1 (de) * 1995-11-27 2004-03-11 Vlt Corp Plattierung von permeablen Kernen
US5786575A (en) * 1995-12-20 1998-07-28 Gas Research Institute Wrap tool for magnetic field-responsive heat-fusible pipe couplings
US6084499A (en) * 1996-12-31 2000-07-04 Compaq Computer Corp. Planar magnetics with segregated flux paths
DE10238521B4 (de) * 2002-08-16 2006-01-19 Siemens Ag Wicklungsanordnung
US9368272B2 (en) 2003-02-26 2016-06-14 Analogic Corporation Shielded power coupling device
US9490063B2 (en) 2003-02-26 2016-11-08 Analogic Corporation Shielded power coupling device
US8350655B2 (en) * 2003-02-26 2013-01-08 Analogic Corporation Shielded power coupling device
US7868723B2 (en) * 2003-02-26 2011-01-11 Analogic Corporation Power coupling device
WO2010102659A1 (de) * 2009-03-09 2010-09-16 Siemens Transformers Austria Gmbh & Co Kg Wicklungsanordnung für einen transformator oder für eine drossel
JP5726488B2 (ja) * 2010-11-22 2015-06-03 株式会社東芝 模擬鉄心及びそれを用いた更新巻線の品質確認方法
JP2013247208A (ja) * 2012-05-25 2013-12-09 Hitachi Industrial Equipment Systems Co Ltd 巻鉄心スコット変圧器
US9640315B2 (en) * 2013-05-13 2017-05-02 General Electric Company Low stray-loss transformers and methods of assembling the same
CN103489567B (zh) * 2013-09-13 2017-06-06 华为技术有限公司 共模电感
CN105869853B (zh) * 2015-01-23 2018-09-04 台达电子工业股份有限公司 一种磁芯元件及变压器
CN107946045B (zh) * 2017-09-27 2019-05-14 昆明理工大学 一种半匝绕组的可调漏感平面变压器
WO2019090358A1 (en) * 2017-11-06 2019-05-09 North Carolina State University Mixed material magnetic core for shielding of eddy current induced excess losses
EP3544033B1 (en) * 2018-03-20 2022-01-26 Hitachi Energy Switzerland AG Electromagnetic induction device having a low losses winding
CN114496460B (zh) * 2022-03-18 2022-12-23 北京交通大学 一种分磁环及包含其的超导变压器
CN117410082A (zh) * 2023-12-11 2024-01-16 深圳拓安信物联股份有限公司 一种单气隙电感器以及电磁检测和量化装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974626C (de) * 1939-12-15 1961-03-09 Sachsenwerk Licht & Kraft Ag Anordnung zum Verhindern uebermaessiger Feldkonzentrationen bei benachbarten Wicklungen von Leistungstransformatoren
FR1074501A (fr) * 1947-12-29 1954-10-06 Transformateurs, bobines de réaction, électro-aimants, etc.
FR1133764A (fr) * 1954-10-29 1957-04-02 Ferranti Ltd Perfectionnements aux enroulements pour transformateurs, réactances ou autres appareils électromagnétiques d'induction
DE1087262B (de) * 1957-09-12 1960-08-18 Licentia Gmbh Anordnung zur Verminderung der Wirbelstromverluste in aus ferromagnetischem Materialbestehenden Druckkoerpern fuer Transformatorwicklungen u. dgl.
DE1155532B (de) * 1959-08-05 1963-10-10 Licentia Gmbh Lagen-Wicklung fuer Leistungs-Transformatoren, insbesondere fuer Spartransformatoren
US3142029A (en) * 1960-08-22 1964-07-21 Gen Electric Shielding of foil wound electrical apparatus
US3183467A (en) * 1961-04-11 1965-05-11 Westinghouse Electric Corp Winding for electrical apparatus
FR1303677A (fr) * 1961-08-21 1962-09-14 Thomson Houston Comp Francaise Perfectionnements aux transformateurs et autres enroulements électriques
GB1115862A (en) * 1964-03-04 1968-05-29 English Electric Co Ltd Improvements in or relating to inductive apparatus
FR1431870A (fr) * 1965-01-29 1966-03-18 Alsthom Cgee Perfectionnements aux enroulements en feuilles pour transformateurs et en particulier pour cryotransformateurs
DE1538136B2 (de) * 1966-01-22 1971-04-15 Siemens AG, 1000 Berlin u 8000 München Hochspannungskompensationsdrossel
FR1557420A (pt) * 1967-03-23 1969-02-14
DE2040681A1 (de) * 1970-08-17 1972-02-24 Bbc Brown Boveri & Cie Mantelkerndrosselspule fuer Leuchten
LU67651A1 (pt) * 1972-11-16 1973-07-26
FR2228281B1 (pt) * 1973-05-02 1978-09-08 Jakoubovitch Albert
US4012706A (en) * 1975-12-08 1977-03-15 General Electric Company Sheet-wound transformer coils
US4021764A (en) * 1975-12-08 1977-05-03 General Electric Company Sheet-wound transformer coils with reduced edge heating
NO136773C (no) * 1976-01-14 1977-11-02 Nat Ind As Anordning for } lede den magnetiske spredefluks ved transformatorer eller reaktorer med kjerne
CA1094179A (en) * 1976-05-14 1981-01-20 Sanborn F. Philp Low volume sheet-wound transformer coils with uniform temperature distribution

Also Published As

Publication number Publication date
NO151102C (no) 1985-02-06
US4259654A (en) 1981-03-31
CH649862A5 (de) 1985-06-14
BE875925A (fr) 1979-08-16
DE2915791A1 (de) 1979-11-15
DE2915791C2 (de) 1983-08-18
GB2025148B (en) 1983-02-02
SE413716B (sv) 1980-06-16
ZA792081B (en) 1980-05-28
NO151102B (no) 1984-10-29
GB2025148A (en) 1980-01-16
NO791417L (no) 1979-11-05
CA1122289A (en) 1982-04-20
JPS54145917A (en) 1979-11-14
FR2425138A1 (fr) 1979-11-30
SE7804989L (sv) 1979-11-03

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