DE3768171D1 - UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS. - Google Patents

UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS.

Info

Publication number
DE3768171D1
DE3768171D1 DE8787110494T DE3768171T DE3768171D1 DE 3768171 D1 DE3768171 D1 DE 3768171D1 DE 8787110494 T DE8787110494 T DE 8787110494T DE 3768171 T DE3768171 T DE 3768171T DE 3768171 D1 DE3768171 D1 DE 3768171D1
Authority
DE
Germany
Prior art keywords
resin
sheet
metal strip
cast
distribution transformers
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 - Fee Related
Application number
DE8787110494T
Other languages
German (de)
Inventor
Freidrich Alber
Klaus Seeliger
Wolfgang Bendel
Rudolf Link
Rudolf Dedelmahr
Gerhard Altmann
Siegfried Weiss
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.)
Siemens AG
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
Priority to DE8787110494T priority Critical patent/DE3768171D1/en
Application granted granted Critical
Publication of DE3768171D1 publication Critical patent/DE3768171D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01F27/2847—Sheets; Strips
    • H01F27/2852—Construction of conductive connections, of leads
    • 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
    • H01F27/002—Arrangements provided on the transformer facilitating its transport
    • 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
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support

Abstract

Such windings are normally wound spirally from sheet-metal strip (15) of the same width as the axial winding length and with intermediate layers of plastic film or resin-soaked fabric (16) projecting on all sides, and are cast with a resin ring (17) on each of the end faces, terminal leads welded onto the sheet-metal strip and consisting of conductor rails (18) with a rectangular cross-section being bonded by means of their broad side to the coil over the full width of the sheet-metal strip (15). According to the invention, at least the terminal lead located inside the winding tube (5) engages at least on its end guided out of the coil into the adjacent resin ring (17), via the armature (19), the resin ring (17) being reinforced (20) at least in the region of each armature (19). This design of low- voltage windings (5) provides a design of resin-insulated distribution transformers which is particularly more resistant to short-circuits and extends their possible applications to even greater rated powers than in the past. <IMAGE>
DE8787110494T 1986-07-31 1987-07-20 UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS. Expired - Fee Related DE3768171D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787110494T DE3768171D1 (en) 1986-07-31 1987-07-20 UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3625866 1986-07-31
DE8787110494T DE3768171D1 (en) 1986-07-31 1987-07-20 UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS.

Publications (1)

Publication Number Publication Date
DE3768171D1 true DE3768171D1 (en) 1991-04-04

Family

ID=6306364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787110494T Expired - Fee Related DE3768171D1 (en) 1986-07-31 1987-07-20 UNDERVOLTAGE WINDING FOR AIR-COOLED, CAST-RESIN INSULATED DISTRIBUTION TRANSFORMERS.

Country Status (5)

Country Link
EP (1) EP0256329B1 (en)
AT (1) ATE61151T1 (en)
DE (1) DE3768171D1 (en)
ES (1) ES2020534B3 (en)
GR (1) GR3001612T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10148945C1 (en) * 2001-09-28 2002-11-07 Siemens Ag Electric band winding has electrical insulation between successive windings provided with greater insulation breakdown resistance adjacent longitudinal edges of winding conductor band
ITFI20130168A1 (en) * 2013-07-11 2015-01-12 Cdr Italy Di Pietro Baracco E C Sa S HUB FOR WHEEL, METHOD OF MANUFACTURING OF A HUB, WHEEL FOR ELECTRIC TRANSFORMER AND ELECTRIC TRANSFORMER

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932975C (en) * 1952-05-31 1955-09-12 Intercito Holding Device for fastening the coils in transformers
FR68064E (en) * 1955-10-25 1958-03-27 Comp Generale Electricite Device for isolating a winding such as a transformer coil or a reactance coil
US3548355A (en) * 1969-04-10 1970-12-15 Westinghouse Electric Corp Foil coils with metallic back plates
DE2246235B2 (en) * 1972-09-21 1978-08-24 Transformatoren Union Ag, 7000 Stuttgart Dry type transformer

Also Published As

Publication number Publication date
GR3001612T3 (en) 1992-11-23
EP0256329A1 (en) 1988-02-24
ES2020534B3 (en) 1991-08-16
ATE61151T1 (en) 1991-03-15
EP0256329B1 (en) 1991-02-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee