Voltage peak switch closing method for shunt capacitor energizat

Details Voltage peak switch closing method for shunt capacitor energizat Voltage peak switch closing method for shunt capacitor energizat

1997-03-31

1999-12-14

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

307128, H03K 508

Patent

active

060022892

ABSTRACT:
When energizing a shunt capacitor in a circuit that includes an ac power supply and a switch, the shunt capacitor is initially precharged to a predetermined voltage with a direct current voltage. Thereafter, the switch is closed at an instant of voltage peak of the ac power supply with the same polarity as the predetermined voltage.

REFERENCES:
patent: 3676734 (1972-07-01), Shimizu et al.
patent: 4890213 (1989-12-01), Seki

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