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This paper proposes a non-isolated single-stage high power factor rectifier suitable for applications requiring low-voltage and high-current output. The proposed converter integrates two buck-boost converters with a buck converter. As a result, the proposed converter can operate over a wide range of input voltage with extended low output voltage capability, making it suitable for universal input applications...
The paper proposes a simple harmonic injection technique with feedforward control to modulate the duty cycle of the boost converterpsilas switch. With this technique a low total harmonic distortion (THD) of the rectifier current can be achieved with a good transient performance which reduces the rectifierpsilas output voltage overshoots during step-up line voltage transients. It is found that third-order...
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