Phase controlled transformer

Details Phase controlled transformer Phase controlled transformer

1992-09-30

1994-11-08

Sterrett, Jeffrey L.

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

323250, 323302, 323331, 323339, 336165, 336215, 2191301, G05F 134

Patent

active

053630351

ABSTRACT:
An operator controllable transformer having a shunt magnetic path with a control coil is provided. The transformer includes phase control circuitry to control the output of the transformer by phase controlling current flow in the shunt coil, thereby controlling the flux through the shunt magnetic path and the flux coupling with the secondary coil. Power for the control circuitry is derived from the current induced in the shunt coil.

REFERENCES:
patent: 3596038 (1971-07-01), Hockenberry et al.
patent: 4177418 (1979-12-01), Brueckner et al.
patent: 4414491 (1983-11-01), Elliott
patent: 4737704 (1988-04-01), Kalinnikov et al.
patent: 4876638 (1989-10-01), Silva et al.
patent: 4994952 (1991-02-01), Silva et al.

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