Abstract
This paper presents a newly-developed soft switching PWM boost dc-dc converter in continuous conduction mode (CCM). The soft switching boost dc-dc converter consists of an edge-resonant switched capacitor (ER-SWC) cell, providing the wide-range soft commutations for all the switching power devices. The voltage stress inherent to the CCM scheme can be reduced by employing a lossless auxiliary circuit. The converter operation and performance are verified by experiments, and the effective reduction of the voltage stress and the efficiency improvement are originally demonstrated as well as its voltage conversion ratio.
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