Abstract
Improvement in the input current distortion of single-phase rectifier operating under the current-mode control with a turn-on at constant clock time is studied by simulation. Advantage of this rectifier is its ability to be realized by using only one active power device. To reduce a difference between the input current and its reference immediately after a zero-crossing, the reversed snubber capacitor voltage is superimposed on the supply by the resonant snubber switch cell including an active power device. The simulated results confirm that the input current distortion can be improved and so the total harmonic distortion becomes smaller.
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