Insulated transformer windings

Details Insulated transformer windings Insulated transformer windings

1975-01-15

1976-02-17

Kozma, Thomas J.

Inductor devices

With temperature modifier

Ventilating passages

336183, 336206, H01F 2708, H01F 2732

Patent

active

039394492

ABSTRACT:
Distribution transformer having inner and outer low-voltage winding sections and a high-voltage winding section disposed therebetween. Insulation structures separate the various winding sections and include a relatively small thickness of solid insulating material and a liquid dielectric duct. Some of the solid insulating material is axially extended to increase the creep resistance of the winding. The insulation structures are also void of any metallic electrostatic shield or any other member which would hamper adequate processing of the insulation structure during the construction of the transformer.

REFERENCES:
patent: 3071845 (1963-01-01), Leonard et al.
patent: 3170134 (1965-02-01), Palmer
patent: 3201728 (1965-08-01), McWhirter
patent: 3237136 (1966-02-01), Ford
patent: 3708875 (1973-01-01), Martineie et al.
patent: 3774298 (1973-11-01), Eley

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