Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1979-10-09
1982-03-23
Grimley, Arthur T.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
16510421, 174 16B, 174 28, H01B 734
Patent
active
043214223
ABSTRACT:
An electric busbar installation comprises at least one busbar comprising a rigid bare elongate conductor housed within and rigidly secured to and spaced from a rigid tube, arranged with its axis substantially vertical by longitudinally spaced rigid insulators, the space between the busbar and the tube containing an electrically insulating fluid which is in direct contact with the bare conductor of the busbar, at least one duct which is in thermal association with the bare conductor throughout the length of the busbar and which forms part of a closed circulatory system for evaporable refrigerant; and interconnected in the circulatory system, condensing means for receiving evaporated refrigerant from, and for delivering liquid refrigerant to, the duct. Artificial cooling of the busbar is effected by extraction from the bare conductor of the heat generated by the busbar when it is on load, which heat raises the temperature of the bare conductor to such an extent as to evaporate liquid refrigerant being caused to flow along the duct to the condensing means where it is cooled and condensed to liquid form for re-circulation along the duct.
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Edwards Derek R.
Rogers Edward C.
Bicc Limited
Grimley Arthur T.
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