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IT1111969B - MAGNETIC FRAMEWORK FOR A TRANSFORMER OR FOR AN INDUCTANCE COIL - Google Patents

MAGNETIC FRAMEWORK FOR A TRANSFORMER OR FOR AN INDUCTANCE COIL

Info

Publication number
IT1111969B
IT1111969B IT19828/79A IT1982879A IT1111969B IT 1111969 B IT1111969 B IT 1111969B IT 19828/79 A IT19828/79 A IT 19828/79A IT 1982879 A IT1982879 A IT 1982879A IT 1111969 B IT1111969 B IT 1111969B
Authority
IT
Italy
Prior art keywords
transformer
inductance coil
magnetic framework
framework
magnetic
Prior art date
Application number
IT19828/79A
Other languages
Italian (it)
Other versions
IT7919828A0 (en
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IT7919828A0 publication Critical patent/IT7919828A0/en
Application granted granted Critical
Publication of IT1111969B publication Critical patent/IT1111969B/en

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
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • 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
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Compounds Of Iron (AREA)
  • Coils Of Transformers For General Uses (AREA)
IT19828/79A 1978-02-02 1979-02-01 MAGNETIC FRAMEWORK FOR A TRANSFORMER OR FOR AN INDUCTANCE COIL IT1111969B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782804397 DE2804397A1 (en) 1978-02-02 1978-02-02 MAGNETIC FRAME FOR A TRANSFORMER OR A REACTOR

Publications (2)

Publication Number Publication Date
IT7919828A0 IT7919828A0 (en) 1979-02-01
IT1111969B true IT1111969B (en) 1986-01-13

Family

ID=6030961

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19828/79A IT1111969B (en) 1978-02-02 1979-02-01 MAGNETIC FRAMEWORK FOR A TRANSFORMER OR FOR AN INDUCTANCE COIL

Country Status (8)

Country Link
EP (1) EP0009489A1 (en)
BE (1) BE873873A (en)
DE (1) DE2804397A1 (en)
GB (1) GB2036450A (en)
IT (1) IT1111969B (en)
NL (1) NL7900839A (en)
SE (1) SE7908161L (en)
WO (1) WO1979000579A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE366467C (en) * 1923-01-08 Siemens Schuckertwerke G M B H Device for avoiding eddy currents in the iron parts of transformers or reactors
GB218918A (en) * 1923-09-18 1924-07-17 Gen Electric Improvements in and relating to electric transformers
US2386904A (en) * 1942-01-10 1945-10-16 Line Material Co Electromagnetic device
DE961190C (en) * 1954-08-19 1957-04-04 Westinghouse Electric Corp Transformer with laminated iron core supporting the windings and additional laminated auxiliary cores
DE1056731B (en) * 1957-09-18 1959-05-06 Siemens Ag Device for reducing the losses caused by stray fields in transformers and choke coils by means of stray bodies
DE1488222A1 (en) * 1964-10-19 1968-12-05 Licentia Gmbh Arrangement for tensioning the active part of choke coils
SE338612B (en) * 1968-05-30 1971-09-13 Asea Ab
US4012706A (en) * 1975-12-08 1977-03-15 General Electric Company Sheet-wound transformer coils

Also Published As

Publication number Publication date
WO1979000579A1 (en) 1979-08-23
DE2804397A1 (en) 1979-08-09
GB2036450A (en) 1980-06-25
EP0009489A1 (en) 1980-04-16
BE873873A (en) 1979-05-29
SE7908161L (en) 1979-10-02
NL7900839A (en) 1979-08-06
IT7919828A0 (en) 1979-02-01

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