Capacitor equipment

Details Capacitor equipment Capacitor equipment

1978-02-28

1979-07-24

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323119, H02J 318

Patent

active

041624424

ABSTRACT:
A capacitor bank for power factor correction and/or voltage control is connectible to an AC network through a bidirectional static switch. Voltage sensing and comparing means effect connection of the capacitor bank to the network at the moment when the instantaneous values of the mains and capacitor voltages coincide. During a predetermined time interval after disconnection of the capacitor bank from the network, the switch is periodically made conducting for keeping the capacitor charged with a voltage of constant polarity. After the end of this time interval, the switch is made non-conducting, whereby the capacitor is allowed to discharge through the discharge resistor.

REFERENCES:
patent: 3703680 (1972-11-01), Frank et al.
Frank et al., "Power Factor Correction with Thyristor-Controlled Capacitors," Asea Journal, vol. 44, No. 6, 1971, pp. 180-184.

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