In order to correct the power boost topology has been used for easy control. But conventional boost topology has the following drawbacks: switching voltage surge, cross conduction current and right-half-plane zero of its control transfer function. Furthermore, in this topology the output voltage is always higher than the input voltage. As a result, a first-stage boost PFC converter needs to be connected with a second-stage DC-DC converter. A new topology which can be used as single stage PFC converter is proposed in this paper.
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