Method and control apparatus for static VAR generator and compen

Details Method and control apparatus for static VAR generator and compen Method and control apparatus for static VAR generator and compen

1974-12-23

1976-12-21

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

H02J 318

Patent

active

039991172

ABSTRACT:
A static VAR generator circuit having a control system adapted to utilize the values of three phase load currents to generate time delayed firing angles for thyristor controlled inductors which are utilized with parallel capacitors to provide unity power factor and balanced electrical currents to the AC source. The time delayed firing angles are calculated from integrating furnace load currents over prescribed intervals during real time to thus maintain balanced load current at specified phase angles, usually zero, in the three phase system.

REFERENCES:
patent: 3400326 (1968-09-01), Zhukov et al.
patent: 3450983 (1969-06-01), Koppelman et al.
patent: 3754184 (1973-08-01), Stone
patent: 3829759 (1974-08-01), Thorborg

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