Transformer control device

Details Transformer control device Transformer control device

1976-11-02

1979-01-16

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 83, G05F 138

Patent

active

041351231

ABSTRACT:
The proposed transformer control device is based on the magnetization principle and includes a voltage comparator unit, intermediate amplifiers and power amplifiers. The introduction of an additional intermediate amplifier and the connection of the inputs of the intermediate amplifiers in series opposition makes it possible to separately magnetize each yoke of the transformer. The separate magnetization of the transformer yokes instead of their differential magnetization substantially reduces the no-load current of the transformer, brings down the mean power required to control the magnetization of the yokes in the continuous voltage adjustment range, and thus raises the transformer's efficiency.

REFERENCES:
patent: 2729772 (1956-01-01), Perkins
patent: 3201683 (1965-08-01), Hiermstad et al.
patent: 3353094 (1967-11-01), Wentworth
patent: 3541428 (1970-11-01), Schwarz
patent: 3596172 (1971-07-01), Harrison

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