A PFC Circuit for Auxiliary Power Supply of Off-board Charger
A bridgeless Boost PFC circuit applied to the auxiliary power supply of off-board chargers was designed to address the need for power factor correction.The average current mode control method of the improved detection circuit was adopted,and the working mode and control principle of the circuit were analyzed.A simulation model and experimental circuit were built.The results indicate that the power factor under rated conditions reaches over 0.98,meeting the application requirements.
power factor correctionauxiliary power supply of off-board chargerbridgeless boost circuit