High power factor AC to DC converter circuit

Details High power factor AC to DC converter circuit High power factor AC to DC converter circuit

1975-09-22

1978-02-14

Shoop, William M.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 48, 363 89, H02M 114

Patent

active

040743446

ABSTRACT:
A high power factor AC to DC converter circuit includes a rectifier circuit coupled to an AC potential source and providing a full-wave rectified pulsating DC potential to a switching regulator circuit with a radio frequency current filter connected in circuit with the rectifier and switching regulator circuits to provide a pulsating DC current in phase with and of at least 50% duration of said pulsating DC potential whereby a power factor of at least 90% is effected.

REFERENCES:
patent: 3564384 (1971-02-01), Adler
patent: 3626277 (1971-12-01), Munson
patent: 3733540 (1973-05-01), Hawkins
patent: 3758840 (1973-09-01), Oliver
patent: 3777239 (1973-12-01), Seri et al.
patent: 3852655 (1974-12-01), Justice
patent: 3890537 (1975-06-01), Park et al.
patent: 3906337 (1975-09-01), Depenbrock
patent: 3909698 (1975-09-01), Nill

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