Gas-insulated stationary induction electrical apparatus

Details Gas-insulated stationary induction electrical apparatus Gas-insulated stationary induction electrical apparatus

1989-06-28

1990-02-27

Kozma, Thomas J.

Inductor devices

With temperature modifier

336 57, 336 58, 336 94, H01F 2708

Patent

active

049049720

ABSTRACT:
A gas-insulated stationary induction electrical apparatus comprising a first closed vessel sealingly accommodating therein a main body having an iron core formed by laminating silicon steel sheets and also having at least one set of windings each consisting of a high-voltage winding and a low-voltage winding which are disposed apart from the iron core on both sides thereof, and a liquid medium for effecting cooling and insulation; a second closed vessel formed of an insulating material and sealingly accommodating therein the first closed vessel; and an insulating gas under a predetermined pressure which is sealed within the gap between the first and second vessels, wherein the induction apparatus main body is submerged in the liquid medium.

REFERENCES:
patent: 2872651 (1959-02-01), Treanor
patent: 3634798 (1972-01-01), Astleford, Jr.
patent: 3668583 (1972-06-01), Nichols
patent: 4745677 (1988-05-01), Shichi

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