Power supply system

Details Power supply system Power supply system

1980-11-28

1982-07-20

Shoop, William M.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363124, 363126, H02M 114

Patent

active

043409318

ABSTRACT:
A power factor improving system for a power supply system, comprising an AC power supply, a rectifier circuit connected to the AC power supply, a smoothing circuit for smoothing the output current of the rectifier circuit and supplying DC power to the load, an inductance element inserted in series between the power supply and the rectifier circuit, switching means including a switching element and a rectifier element inserted between the AC input terminal of the rectifier circuit and one of the DC output lines thereof, and a control circuit for subjecting the switching element of the switching means to on-off control at a frequency higher than the frequency of the AC power supply.

REFERENCES:
patent: 3913002 (1975-10-01), Steigerwald et al.
patent: 3986100 (1976-10-01), Beierholm et al.
patent: 4074344 (1978-02-01), Pitel
patent: 4193111 (1980-03-01), Wester

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