Three Port Isolated AC/DC Converter with Power Factor Correction

Abstract

1: : This paper proposes a converter with three ports with isolated output and higher output power and voltage levels. The converter has two input ports, connecting an AC source and the solar PV source. The third port acts as an output port to supply the desired load. The proposed topology can supply the high dc output voltage with isolation while maintaining a high input power factor. A single-stage conversion is used, which helps in reducing the switching devices and the bulky electrolytic capacitor while integrating a Solar PV. As there is no intermediate stage of conversion in the proposed converter, thus it is well suited for the standalone PV based application such as remote light electric vehicle chargers. The simulation verification of the proposed converter is obtained in the MATLAB/SIMULINK and the experimental results are obtained using control algorithm implemented using FPGA based Typhoon HIL 402. Background: To implement the proposed novel converter and study the switching operations Objective: Conventionally, a two-stage conversion is required for providing isolated DC output Methods: Verification of control method in simulation with hardware validation Results: Justified the control method and working of topology Conclusion: The desired operation of the converter is achieved