High-voltage transformer with liquid cooling

Details High-voltage transformer with liquid cooling High-voltage transformer with liquid cooling

1985-06-17

1986-09-02

Kozma, Thomas J.

Inductor devices

With temperature modifier

Liquid insulating medium

174 11R, 174 12R, H01F 2714

Patent

active

046099000

ABSTRACT:
In a high-voltager transformer including a closed casing, a magnetic core with at least one winding, a cooling liquid filling the casing and surrounding the winding, and insulated casing lead-throughs for connecting external lines to the winding, a compensating device forms part of the casing and is exposed to the cooling liquid for permitting expansion of the cooling liquid on being heated, and the cooling liquid is subjected to a pressure greater than that of the ambient air at all operating temperatures of the transformer.

REFERENCES:
patent: 2016247 (1935-10-01), Simmons
patent: 2028589 (1936-01-01), Clark
patent: 2194604 (1940-03-01), Malsbary
patent: 3123783 (1964-03-01), Wilk et al.
patent: 3123784 (1964-03-01), Ritz
patent: 3260974 (1966-07-01), Specht et al.
patent: 3448219 (1969-06-01), Nakazawa et al.
patent: 3670276 (1972-06-01), Theodore
patent: 3755614 (1973-08-01), Jakacki
patent: 3853291 (1974-12-01), Burke
patent: 4092484 (1978-05-01), Majkrzak et al.
IBM Technical Disclosure Bulletin, Gupta et al, "Protection Device for Fluid-Cooled Electrical Apparatus," vol. 24, No. 2, Jul. 1981, p. 955.

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