Active Switched LC based non-isolated Quadratic High gain Converter for renewable Integration

Abstract

Renewable sources have low output voltage, therefore in case of DC micro grids, high voltage gain converters have gained tremendous popularity in recent times. This paper deals with high gain quadratic converter with active switched network (ASN). Further, in order to increase output voltage clamp circuit is used. In addition to this examination of operating principle, design guidelines and device stress has also been carried out. Moreover, MATLAB simulation of 36/300 V and 300 W (96.9 % efficiency) to facilitate the theoretical analysis. Subsequently, in order to eliminate the load, source side disturbances and improve the converter stability, PI controller with voltage control loop is presented. Lastly, to validate theoretical results 100 W system is developed. © 2023 IEEE.