GB2168201B - Transformer cores - Google Patents

Transformer cores

Info

Publication number
GB2168201B
GB2168201B GB08529484A GB8529484A GB2168201B GB 2168201 B GB2168201 B GB 2168201B GB 08529484 A GB08529484 A GB 08529484A GB 8529484 A GB8529484 A GB 8529484A GB 2168201 B GB2168201 B GB 2168201B
Authority
GB
United Kingdom
Prior art keywords
transformer cores
cores
transformer
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
Application number
GB08529484A
Other versions
GB2168201A (en
GB8529484D0 (en
Inventor
Michael Roy Daniels
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 claimed from GB848430663A external-priority patent/GB8430663D0/en
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB08529484A priority Critical patent/GB2168201B/en
Publication of GB8529484D0 publication Critical patent/GB8529484D0/en
Publication of GB2168201A publication Critical patent/GB2168201A/en
Application granted granted Critical
Publication of GB2168201B publication Critical patent/GB2168201B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
    • 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
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
GB08529484A 1984-12-05 1985-11-29 Transformer cores Expired GB2168201B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08529484A GB2168201B (en) 1984-12-05 1985-11-29 Transformer cores

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848430663A GB8430663D0 (en) 1984-12-05 1984-12-05 Transformer cores
GB08529484A GB2168201B (en) 1984-12-05 1985-11-29 Transformer cores

Publications (3)

Publication Number Publication Date
GB8529484D0 GB8529484D0 (en) 1986-01-08
GB2168201A GB2168201A (en) 1986-06-11
GB2168201B true GB2168201B (en) 1987-12-23

Family

ID=26288538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08529484A Expired GB2168201B (en) 1984-12-05 1985-11-29 Transformer cores

Country Status (1)

Country Link
GB (1) GB2168201B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101562962B1 (en) * 2014-08-28 2015-10-23 주식회사 포스코 Method and appratus for refining magnetic domains in grain-oriented electrical steel sheet and grain-oriented electrical steel manufactured using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB693605A (en) * 1950-07-14 1953-07-01 British Thomson Houston Co Ltd Improvements in and relating to magnetic cores
GB2062972B (en) * 1979-10-19 1983-08-10 Nippon Steel Corp Iron core for electrical machinery and apparatus and well as method for producing the iron core

Also Published As

Publication number Publication date
GB2168201A (en) 1986-06-11
GB8529484D0 (en) 1986-01-08

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20051128