Liquid cooled terminal boxes

Details Liquid cooled terminal boxes Liquid cooled terminal boxes

1978-10-05

1982-03-02

Tolin, Gerald P.

Electricity: conductors and insulators

With fluids or vacuum

With cooling or fluid feeding, circulating or distributing

174 35CE, 361385, 165169, 310 54, H05K 720

Patent

active

043179525

ABSTRACT:
Terminal boxes for large dynamoelectric machines provide a housing for high voltage terminal bushings which connect the dynamoelectric machine with a power grid. The stray flux from the terminal bushings induces eddy and circulating currents in the terminal box walls and consequent heating of the walls. To limit wall temperatures water is circulated through sealed flow channels fabricated to the terminal box walls and in series with the terminal bushings flow circuit. A preferred wall construction comprises an outer wall of stainless steel clad carbon steel and an inner wall of stainless steel.

REFERENCES:
patent: 3740595 (1973-06-01), Heller
patent: 3808489 (1974-04-01), Albright
patent: 4121126 (1978-10-01), Armor

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