GB1103764A - Improvements in or relating to composite conductors for heavy current windings - Google Patents

Improvements in or relating to composite conductors for heavy current windings

Info

Publication number
GB1103764A
GB1103764A GB4973563A GB4973563A GB1103764A GB 1103764 A GB1103764 A GB 1103764A GB 4973563 A GB4973563 A GB 4973563A GB 4973563 A GB4973563 A GB 4973563A GB 1103764 A GB1103764 A GB 1103764A
Authority
GB
United Kingdom
Prior art keywords
strip
paper
conductors
sub
layers
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
GB4973563A
Inventor
Alfred Henry Roden
John Alfred Baskwell
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.)
Pirelli General Cable Works Ltd
Pirelli General Cable Works
Original Assignee
Pirelli General Cable Works Ltd
Pirelli General Cable Works
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 Pirelli General Cable Works Ltd, Pirelli General Cable Works filed Critical Pirelli General Cable Works Ltd
Priority to GB4973563A priority Critical patent/GB1103764A/en
Publication of GB1103764A publication Critical patent/GB1103764A/en
Expired legal-status Critical Current

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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers
    • 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
    • H01F41/04—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 for manufacturing coils
    • H01F41/12—Insulating of windings
    • H01F41/122—Insulating between turns or between winding layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulating Of Coils (AREA)

Abstract

1,103,764. Cables; transformers. PIRELLI GENERAL CABLE WORKS Ltd. 26 Nov., 1964 [17 Dec., 1963], No. 49735/63. Headings H1A and HIT. In a composite conductor for use in heavy current transformer windings a strip of insulating material 6 is positioned along each of a pair of opposed sides of a group of insulated sub-conductors 1 of generally rectangular crosssection and an overall insulation 5 is applied to secure the strip and sub-conductors together. The insulating strips 6 may be of paper or plastics material, but are preferably of layers of crepe paper (16, Fig. 5, not shown), wrapped in a longitudinally folded paper strip (17). Manufacture.-The composite conductor is constructed by, (Fig. 4), passing the insulated sub-conductors 1 and insulating strips 6 through a hollow mandrel 10 of a lapping machine to guide means 14 and a die 7 which position and form the sub-conductors 1 and strips 6 for the application of insulation 8 by rotating rolls of insulating strip about the axis of the machine. The composite conductor then passes through rollers 15 or a further die to ensure a rectangular cross-section. The strip 6 is formed by passing the layers of crepe paper (16) together with the paper strip (17) through a tube (Fig. 7, not shown), which progressively folds the paper around the crepe paper layers.
GB4973563A 1963-12-17 1963-12-17 Improvements in or relating to composite conductors for heavy current windings Expired GB1103764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4973563A GB1103764A (en) 1963-12-17 1963-12-17 Improvements in or relating to composite conductors for heavy current windings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4973563A GB1103764A (en) 1963-12-17 1963-12-17 Improvements in or relating to composite conductors for heavy current windings

Publications (1)

Publication Number Publication Date
GB1103764A true GB1103764A (en) 1968-02-21

Family

ID=10453368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4973563A Expired GB1103764A (en) 1963-12-17 1963-12-17 Improvements in or relating to composite conductors for heavy current windings

Country Status (1)

Country Link
GB (1) GB1103764A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030338A1 (en) * 1979-12-11 1981-06-17 Asea Ab Insulated electric conductor for windings of transformers and reactive coils
WO1999044209A1 (en) * 1998-02-24 1999-09-02 Asta Elektrodraht Gmbh Multiple parallel conductor for electrical machines and devices
WO2014028147A1 (en) * 2012-08-14 2014-02-20 Siemens Energy, Inc. Use of alumina paper for strain relief and electrical insulation in high-temperature coil windings
WO2019238558A1 (en) * 2018-06-12 2019-12-19 Asta Elektrodraht Gmbh Multiple parallel conductor with spacer plates

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030338A1 (en) * 1979-12-11 1981-06-17 Asea Ab Insulated electric conductor for windings of transformers and reactive coils
US4552990A (en) * 1979-12-11 1985-11-12 Asea Aktiebolag Insulated conductor for transformer windings and other inductive apparatus
WO1999044209A1 (en) * 1998-02-24 1999-09-02 Asta Elektrodraht Gmbh Multiple parallel conductor for electrical machines and devices
US6563413B1 (en) 1998-02-24 2003-05-13 Asta Elektrodraht Gmbh Multiple parallel conductor for electrical machines and devices
WO2014028147A1 (en) * 2012-08-14 2014-02-20 Siemens Energy, Inc. Use of alumina paper for strain relief and electrical insulation in high-temperature coil windings
US9520224B2 (en) 2012-08-14 2016-12-13 Siemens Energy, Inc. Use of alumina paper for strain relief and electrical insulation in high-temperature coil windings
WO2019238558A1 (en) * 2018-06-12 2019-12-19 Asta Elektrodraht Gmbh Multiple parallel conductor with spacer plates
US11398324B2 (en) 2018-06-12 2022-07-26 Asta Elektrodraht Gmbh Multiple parallel conductor with spacer plates

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