Comparative analysis of Boost and Buck-Boost Converter for power factor correction using Hysteresis Band Current control

A comparative analysis of Boost and Buck-Boost Converter for power factor correction (PFC) with diode bridge rectifier is discussed in this paper. Boost and Buck-Boost PFC converter faces very high THD and poor PF in open loop control. Thus Hysteresis Band Current controller is used to reduce the Total harmonic distortion (THD) of input current waveform and improve power factor. PFC is attained here by making the input voltage and current in phase and almost same shaped. A 150-V output prototype is designed to verify the effectiveness of open loop and closed loop Boost and Buck-Boost converter. The analysis and simulation results are presented in this paper for the verification of the feasibility.