D-C Power supply circuit with high power factor

Details D-C Power supply circuit with high power factor D-C Power supply circuit with high power factor

1978-12-05

1980-09-09

Shoop, William M.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363126, H02M 112

Patent

active

042220963

ABSTRACT:
A d-c power supply is described which is energized from a relatively low frequency power source and produces a d-c output voltage with low ripple and high power factor. An inductance-capacitance circuit is connected in series with the a-c source and the a-c side of the rectifying element. A filter capacitor is connected to the d-c side of the rectifying element. The inductance-capacitance circuit resonates at a frequency of about three to six times the frequency of the input power supply. A plurality of circuits for carrying out the invention are disclosed.

REFERENCES:
patent: 3024415 (1962-03-01), Burklund et al.
patent: 3088065 (1963-04-01), Manteuffel
patent: 3978388 (1976-08-01), deVries
patent: 4104715 (1978-08-01), Lawson, Jr.

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