IT1033297B - Trasformatore elettrico con nucleo - Google Patents

Trasformatore elettrico con nucleo

Info

Publication number
IT1033297B
IT1033297B IT7520774A IT2077475A IT1033297B IT 1033297 B IT1033297 B IT 1033297B IT 7520774 A IT7520774 A IT 7520774A IT 2077475 A IT2077475 A IT 2077475A IT 1033297 B IT1033297 B IT 1033297B
Authority
IT
Italy
Prior art keywords
core
electric transformer
transformer
electric
Prior art date
Application number
IT7520774A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1033297B publication Critical patent/IT1033297B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • 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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/043—Fixed inductances of the signal type  with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
    • 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
    • H01F27/02—Casings
    • 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
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F27/327—Encapsulating or impregnating
    • 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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/10—Single-phase transformers
    • 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
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • 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
    • H01F27/2804—Printed windings
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
IT7520774A 1974-03-01 1975-02-28 Trasformatore elettrico con nucleo IT1033297B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409881A DE2409881C3 (de) 1974-03-01 1974-03-01 Schalenkernübertrager

Publications (1)

Publication Number Publication Date
IT1033297B true IT1033297B (it) 1979-07-10

Family

ID=5908857

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7520774A IT1033297B (it) 1974-03-01 1975-02-28 Trasformatore elettrico con nucleo

Country Status (6)

Country Link
JP (1) JPS6031090B2 (sv)
DE (1) DE2409881C3 (sv)
FR (1) FR2262857A1 (sv)
IT (1) IT1033297B (sv)
NL (1) NL7502451A (sv)
SE (1) SE401418B (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517540A (en) * 1977-05-13 1985-05-14 Mcdougal John A Spiral windings
CH642477A5 (de) * 1979-04-20 1984-04-13 Landis & Gyr Ag Messwandler zum potentialfreien messen von stroemen oder spannungen.
JPS615779Y2 (sv) * 1979-09-25 1986-02-21
US4547961A (en) * 1980-11-14 1985-10-22 Analog Devices, Incorporated Method of manufacture of miniaturized transformer
JPH058658Y2 (sv) * 1984-12-03 1993-03-04
DE3534006A1 (de) * 1985-09-24 1987-03-26 Siemens Ag Pulstransformator
FR2605453A1 (fr) * 1986-10-15 1988-04-22 Dassault Electronique Transformateur haute frequence avec enroulement en circuit imprime, en particulier pour alimentation a tres haute tension
US5184103A (en) * 1987-05-15 1993-02-02 Bull, S.A. High coupling transformer adapted to a chopping supply circuit
DE3721759A1 (de) * 1987-07-01 1989-01-12 Ceag Licht & Strom Auf einer leiterplatte angebrachter transformator
US4864486A (en) * 1988-07-29 1989-09-05 International Business Machines Corporation Plank and frame transformer
JPH0256407U (sv) * 1988-10-18 1990-04-24
US5126971A (en) * 1989-12-22 1992-06-30 Magnex Corporation Thin film magnetic core memory and method of making same
GB2252208B (en) * 1991-01-24 1995-05-03 Burr Brown Corp Hybrid integrated circuit planar transformer
EP0608127A1 (en) * 1993-01-22 1994-07-27 AT&T Corp. Insulation system for magnetic windings having stacked planar conductors
DE4340928A1 (de) * 1993-12-01 1995-06-08 Ant Nachrichtentech Übertrager mit Schirmung sowie Verwendung
EP0782154A4 (en) * 1995-06-13 1999-08-11 Nihon Shingo Kabushiki Kaisha FLAT TRANSFORMER
WO1997001177A1 (de) * 1995-06-22 1997-01-09 Vogt Electronic Ag Transformator für ein schaltnetzteil zum erzeugen einer selv-spannung
JPH09213530A (ja) * 1996-01-30 1997-08-15 Alps Electric Co Ltd 平面トランス
FI962803A0 (fi) * 1996-07-10 1996-07-10 Nokia Telecommunications Oy Planartransformator
US6252487B1 (en) * 1997-11-04 2001-06-26 Philips Electronics North America Corporation Planar magnetic component with transverse winding pattern
TW402725B (en) * 1998-01-06 2000-08-21 Alps Electric Co Ltd Core for use in inductive element, transformer and inductor
DE19912634B4 (de) * 1999-03-20 2008-11-27 Knick Elektronische Messgeräte GmbH & Co. KG Spannungswandler in Planartechnik
US6198374B1 (en) 1999-04-01 2001-03-06 Midcom, Inc. Multi-layer transformer apparatus and method
US8378775B2 (en) 2007-04-26 2013-02-19 Koninklijke Philips Electronics N.V. Planar transformer with boards
DE102010015411A1 (de) * 2010-04-19 2011-10-20 SUMIDA Components & Modules GmbH Induktives Bauelement mit magnetischem Kern mit zumindest teilweise der Kontur einer Wicklung angepasster Form
TWM411643U (en) * 2011-01-17 2011-09-11 Yujing Technology Co Ltd Ultra-high power transformer
JP6395166B1 (ja) 2017-07-10 2018-09-26 三菱電機株式会社 電力変換装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS458507Y1 (sv) * 1967-04-21 1970-04-22

Also Published As

Publication number Publication date
DE2409881B2 (de) 1978-04-27
JPS50121738A (sv) 1975-09-23
DE2409881C3 (de) 1978-12-21
FR2262857B1 (sv) 1979-07-27
JPS6031090B2 (ja) 1985-07-20
SE7502222L (sv) 1975-09-02
NL7502451A (nl) 1975-09-03
SE401418B (sv) 1978-05-02
FR2262857A1 (en) 1975-09-26
DE2409881A1 (de) 1975-09-04

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