Voltage regulator utilizing a static VAR generator with half per

Details Voltage regulator utilizing a static VAR generator with half per Voltage regulator utilizing a static VAR generator with half per

1977-06-30

1982-10-26

Pellinen, A. D.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

H02J 318

Patent

active

043564410

ABSTRACT:
A voltage regulator is taught for maintaining the terminal voltage of a three phase transmission line at a fixed reference value. The voltage regulator system utilizes the reactance of the transmission line in conjunction with reactive current from a VAR generator to compensate for the voltage effect of line current as it flows through the line reactance. The VAR generator is of the parallel capacitor-inductor type where the inductor is controlled by a thyristor switch. The conduction of the thyristor is controlled by utilizing a control system which generates an error signal based on the half period average of line voltage. The error signal is converted to a signal which is proportional to flux linkages by an integrator and then compared with the integral of the voltage signal for determining the conduction angle of the thyristor switches.

REFERENCES:
patent: 3942100 (1976-03-01), Kauferle et al.
patent: 3987360 (1976-10-01), Brennen et al.
patent: 4104576 (1978-08-01), Frank

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