AC to DC power converter with input current waveform control for

Details AC to DC power converter with input current waveform control for AC to DC power converter with input current waveform control for

1989-08-15

1990-11-27

Beha, Jr., Willian H.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323224, 363 89, H02M 3156

Patent

active

049741411

ABSTRACT:
An AC to DC power converter comprises an imput filter for filtering the alternating current input and an output filter for filtering and smoothing the direct current power output to a load. The output alternating current of the input filter is rectified and electronically switched by buck and boost switching circuits at a frequency much higher than the frequency of the alternating line current input. The rectified line current is sensed and provided to a control circuit which controls the operation of the buck and boost switching such that the power line current will follow a predetermined reference voltage waveform.

REFERENCES:
patent: 4384321 (1983-05-01), Rippel
patent: 4437146 (1984-03-01), Carpenter
patent: 4591693 (1986-05-01), Retator
patent: 4618812 (1986-10-01), Kawakami
patent: 4677366 (1987-06-01), Wilkinson et al.
patent: 4688162 (1987-08-01), Mutoh et al.
patent: 4712169 (1987-12-01), Albach
patent: 4719552 (1988-01-01), Albach et al.
patent: 4761725 (1988-08-01), Henze

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