Transformer core cooling arrangement

Details Transformer core cooling arrangement Transformer core cooling arrangement

H - Electricity

01

F

336/15

H01F 27/10 (2006.01)

Patent

CA 1198187

TRANSFORMER CORE COOLING ARRANGEMENT Abstract A transformer having a laminated core and a coil en- closing a leg portion of the core, has a thin plastic frame means interleaved between an adjacent pair of core lamina- tions in liquid-tight relation therewith to form, with the pair of core laminations, a completely enclosed internal passageway in the core for the circulation therethrough of a liquid cooling medium for cooling the core during transformer operation. The frame means has inlet and outlet connections projecting outwardly of the core for connection to a supply of a liquid cooling medium, and they communicate with the opposite ends of the internal cooling liquid passageway in the core through slot-shaped openings extending edgewise through the frame side walls. A plurality of such frame means may be interleaved between respective banks of the core laminations, and the various inlet and outlet connections of all these frame means may be interconnected externally of the core by suitable con- nector block means in a manner to provide a single continuous flow path for the cooling medium in seriatim through the cooling passageways formed by the various frame means.

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