Insulating-liquid immersed electrical machine

Details Insulating-liquid immersed electrical machine Insulating-liquid immersed electrical machine

1992-01-28

1994-06-28

Picard, Leo P.

Electricity: conductors and insulators

With fluids or vacuum

With expansion and contraction means

174 151, 174 17LF, 336 58, 336 94, 361699, H02G 1526, H05K 500, H01F 2710, H01F 2702

Patent

active

053248864

ABSTRACT:
An insulting-liquid immersed electrical machine comprises an electrical machine, a hermetically sealed tank containing the electrical machine, and insulating liquid arranged between the electrical machine and the tank, wherein the tank includes a deformable member through which gas and liquid cannot pass and whose shape is variable so that a receiving volume capable of receiving the insulating liquid between the tank and the electrical machine is variable. The insulating liquid completely fills the receiving volume in the tank, and a pressurizing arrangement is provided for adjusting the shape of the deformable member so that the pressure of the insulating liquid in the tank is kept at a suitable degree for preventing the insulating liquid from vaporizing.

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