Regulating transformer

Details Regulating transformer Regulating transformer

1980-08-25

1982-04-13

Beha, Jr., William H.

Electricity: power supply or regulation systems

External or operator controlled

Using a transformer or inductor as the final control device

336147, 336150, H01F 2902

Patent

active

043250203

ABSTRACT:
A regulating transformer including a base winding and a plurality of auxiliary windings adapted to be connected in whole, or in part, to said base winding. The ends of each auxiliary winding and a point between its ends are passed through a bushing to a change-over switch arranged outside the transformer tank. The base winding of the transformer is connected to the movable contact of a first change-over switch. The movable contacts of continuous change-over switches are interconnected. The movable contact of the last change-over switch is connected to an outgoing line. Each change-over switch has a movable contact that can be selectively engaged with either of a pair of fixed contacts. One of the fixed contacts is connected to one of the ends of an auxiliary transformer winding. The other of the fixed contacts is connected to a point, or tap, between the ends of the auxiliary winding.

REFERENCES:
patent: Re20147 (1936-10-01), McCarty
patent: 3474326 (1969-10-01), Lamberton

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