Executive Summary : | Electric vehicles (EVs) are increasingly popular in modern cities to reduce dependence on fossil fuels. The design, development, and marketing of EVs and their internal configurations are given high importance in green city initiatives and the Made in India mission. Compact multiport power converters are essential for integrating various DC sources and improving power density. The trend is towards multiple active bridges with multi-winding high frequency transformers for efficient interface between different voltages. However, detailed formulation of control techniques and optimization for size/efficiency using semiconductor device selection and link current optimization in all ports are not yet carried out. The research proposals aim to study the triple active bridge converter with topological configuration for specific bidirectional power exchange requirements in EV applications, design three winding transformers with high efficiency using Wide-band-gap Semiconductor Devices, combine power circuit design with optimized modulation to minimize RMS link current and overall magnetic circuit volume, develop a power management scheme with suitable decoupling between port power flows with adequate transient response for a multi-port DC network within an electrical vehicle equivalent system, and fabricate the system with wide-band-gap semiconductor devices for improved efficiency and enhanced power density. The importance of this project lies in its potential to generate new technology for efficient interfaces in EV/PHEV applications and reduce costs due to increased applicability. Limited works exist on high voltage gain-based TAB with minimized magnetic volume and reduced switch current stress for electric vehicle applications, adding new knowledge to existing literature. The concept can be extended to other applications where three or four ports of different voltage labels are to be integrated. |