CH646545A5 - Transformer for use in underground spaces - Google Patents

Transformer for use in underground spaces Download PDF

Info

Publication number
CH646545A5
CH646545A5 CH510879A CH510879A CH646545A5 CH 646545 A5 CH646545 A5 CH 646545A5 CH 510879 A CH510879 A CH 510879A CH 510879 A CH510879 A CH 510879A CH 646545 A5 CH646545 A5 CH 646545A5
Authority
CH
Switzerland
Prior art keywords
transformer
fan
cooling fins
core
coil
Prior art date
Application number
CH510879A
Other languages
German (de)
English (en)
Inventor
Werner Dehmel
Martin Schwert
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of CH646545A5 publication Critical patent/CH646545A5/de

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
    • H01F27/08—Cooling; Ventilating
    • H01F27/20—Cooling by special gases or non-ambient air

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
CH510879A 1978-06-03 1979-05-31 Transformer for use in underground spaces CH646545A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782824382 DE2824382C2 (de) 1978-06-03 1978-06-03 Transformator

Publications (1)

Publication Number Publication Date
CH646545A5 true CH646545A5 (en) 1984-11-30

Family

ID=6040922

Family Applications (1)

Application Number Title Priority Date Filing Date
CH510879A CH646545A5 (en) 1978-06-03 1979-05-31 Transformer for use in underground spaces

Country Status (7)

Country Link
AT (1) AT378436B (fr)
BE (1) BE876721A (fr)
CH (1) CH646545A5 (fr)
DE (1) DE2824382C2 (fr)
FR (1) FR2427672A1 (fr)
MA (1) MA18479A1 (fr)
NL (1) NL7903966A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017102436B4 (de) 2017-02-08 2025-12-18 Hitachi Energy Ltd Trockentransformator mit Luftkühlung, Verfahren zur Kühlung und Verwendung eines Ring-Ventilators

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE504644A (fr) *
FR830511A (fr) * 1936-12-07 1938-08-02 Siemens Ag Transformateur à refroidissement par air
DE843579C (de) * 1950-07-06 1952-07-10 Siemens Ag Transformator-Kuehleinrichtung
DE973773C (de) * 1951-01-16 1960-06-02 Licentia Gmbh Druckfest gekapselter Trockentransformator fuer explosions- und schlagwettergefaehrdete Betriebe
DE1775668U (de) * 1954-04-02 1958-10-16 Licentia Gmbh Druckfest gekapselter trockentransformator fuer explosionsgefaehrdete raeume, wie bergwerke u. dgl.
US2927736A (en) * 1954-04-23 1960-03-08 Frederick S Rohatyn Apparatus for cooling a device which produces heat during the operation thereof
FR1146044A (fr) * 1955-01-25 1957-11-05 Thomson Houston Comp Francaise Perfectionnements aux appareils électriques isolés par un gaz électronégatif
US3164666A (en) * 1961-06-26 1965-01-05 Gen Electric Fluid insulated electrical apparatus
BE661222A (fr) * 1965-03-17 1965-09-17 Acec Transformateur hermétiquement fermé
US3551863A (en) * 1968-03-18 1970-12-29 Louis L Marton Transformer with heat dissipator

Also Published As

Publication number Publication date
DE2824382C2 (de) 1982-06-09
BE876721A (fr) 1979-10-01
FR2427672B1 (fr) 1985-04-12
AT378436B (de) 1985-08-12
DE2824382A1 (de) 1979-12-06
NL7903966A (nl) 1979-12-05
MA18479A1 (fr) 1979-12-31
FR2427672A1 (fr) 1979-12-28

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PL Patent ceased
PL Patent ceased