Static reactive-power compensation apparatus

Details Static reactive-power compensation apparatus Static reactive-power compensation apparatus

1984-03-29

1985-10-08

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

G05F 170

Patent

active

045463034

ABSTRACT:
A static reactive-power compensating apparatus in which transients having a frequency below a predetermined frequency are not compensated for while all other variations are fully compensated for. A reset filter circuit is connected between the output of a rectifier circuit and a thyristor control circuit, the latter controlling the firing of thyristors which couple a reactive energy storage bank to the power system for compensating for voltage variations in the system. Preferably, the reset filter has a transfer characteristic of sT.sub.1 /(1+sT.sub.1).

REFERENCES:
patent: 4275346 (1981-06-01), Kelley, Jr.
patent: 4353024 (1982-10-01), Gyugyi
patent: 4472674 (1984-09-01), Yano et al.
Electronics, vol. 22, No. 5, May 1949, pp. 116, 118, 120, 25; E. W. Tschudi, "Transfer Function for R-C and R-L Equalizer Networds", p. 120, Item 25.

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