Design and performance analysis of an optimised hybrid boost converter with coupled inductor for PV-based EV applications

A novel High Gain Hybrid Boost (HGHB) converter integrated with Coupled Inductor (CI) is specifically designed for Photovoltaic (PV)-based Electric Vehicle (EV) application systems in this work. The HGHB converter with CI aims to enhance energy efficiency and optimise power management in dynamic automotive environments. Significant innovation includes the incorporation of a coupled inductor to improve voltage conversion efficiency and the integration of a hybrid boost topology to achieve enhanced performance characteristics. The proposed converter offers advantages such as higher efficiency, improved power density and enhanced reliability for different system configurations. In addition, the research proposes an innovative Siberian Tiger-Zebra Optimised Proportional Integral (ST-ZO-PI) controller, specifically designed to maximise converter efficiency under varying operating conditions typical in PV-based EV systems. The MATLAB simulation platform is utilised for validating the effectiveness of HGHB converter with CI. Comparative analysis demonstrates significant enhancements in efficiency (96.8%) and performance metrics compared to conventional converter designs.