Ultra-Fast Charging E-Vehicle Batteries from PV using DC-DC Converter

The article discusses the PV nursed energy effective, ultra-fast, high power, high gain DC-DC converter for EV charging with MPPT through the Hybrid Simplified Firefly and Neighborhood Attraction firefly (HSFNA) algorithm. The Single-Ended Primary Inductor Converter (SEPIC) is used because of its efficient MPPT operation with ultra-high gain with high efficiency and easy control system. The continuous input current, high current handling capability,and DC voltage with good quality power are required for charging the EV battery. Though there are numerous isolated dual bridge unidirectional converters available for EV charging, the high current demand for EV batteries cannot be met. The proposed converter provides higher current charging for the battery on demand by looking into the various control parameters. An ideal PV module is assumed to study the operation of the proposed converter, and an additional HSFNA algorithm supports the global maximum power point under various operating conditions like partial shading. The simulation of the proposed converter iscarried out and the results arediscussed.