PERFORMANCE ANALYSIS OF DC CHARGING TOPOLOGIES FOR ELECTRIC VEHICLES USING SIMULINK

Abstract

Abstract: The growing adoption of electric vehicles (Electric Vehicles) necessitates robust and efficient DC charging infrastructure to address key challenges such as range anxiety and prolonged charging times. This study focuses on analyzing and implementing four DC charging topologies using Simulink: the SCR-based full-bridge rectifier, twelve-pulse diode bridge rectifier, six-pulse thyristor bridge rectifier, and twelve-pulse diode bridge rectifier with a three-level buck converter. Each topology was evaluated for performance, efficiency, and compatibility with constant current and constant voltage charging profiles. Simulation results demonstrated trade-offs between power factor, harmonic content, and system complexity. While advanced topologies like the three-level buck converter excelled in efficiency and power quality, simpler configurations offered cost-effective solutions for medium-power applications. The findings highlight the importance of topology selection based on specific application requirements, providing valuable insights for designing scalable and efficient Electric Vehicle charging systems.