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A bridgeless dual-boost rectifier with reduced diode reverse-recovery problems is proposed for power-factor correction (PFC). In the proposed rectifier, conduction losses are lowered by essentially eliminating the full-bridge diode rectifier. The body diodes of the power switches are utilised as output diodes. A coupled inductor is designed to reduce the reverse-recovery problems of the body diodes...
A zero-current transition (ZCT) pulse-width modulation (PWM) interleaved boost power factor correction (PFC) converter with a ZCT auxiliary circuit is presented to achieve ripple current cancelation and ZCT for power switches. The proposed PFC converter adopts a ZCT auxiliary circuit to realise ZCT for power switches and diodes<bold>.</bold> Thus, the switching losses of active power switches...
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