Compensation control device for a power system

Details Compensation control device for a power system Compensation control device for a power system

1998-09-08

1999-08-24

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323207, G05F 170

Patent

active

059428805

ABSTRACT:
A compensation control device for a power system includes a switched capacitor connected in series with a transmission line, a voltage applying control connected in series with the transmission line, and a ganged control for controlling on/off operation of the switched capacitor and a linearizing voltage generated by the voltage applying control. The control ensures that a sum voltage of a stepped voltage generated across the switched capacitor and the linearizing voltage produced by the voltage applying control and that is applied to the transmission line is continuous. The control device realizes controllability of the total impedance of the transmission line and reduces the capacitance of the parts employed in the ganged control.

REFERENCES:
patent: 5198746 (1993-03-01), Gyugi et al.
patent: 5343139 (1994-08-01), Gyugyi et al.
patent: 5351181 (1994-09-01), Brennen et al.
patent: 5646511 (1997-07-01), Akamatsu et al.
Kinney et al., "Slatt Thyristor Controlled Series Capacitor System Test Results", CIGRE Symposium Tokyo, 1995, pp. 1-6.

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