Regresar

Non-Insolated Multiport Converter for DC Microgrids Based on Renewable Energy

Abstract:

This paper presents a non-isolated multiport converter (NIMC) designed for microgrids that integrate renewable energy sources, such as photovoltaic panels and energy storage systems. The advantages of using multiport converter topologies are discussed, allowing for the efficient interconnection of multiple sources and loads, thereby facilitating optimal energy management. Through a detailed analysis, it is demonstrated that the proposed NIMC not only improves power density and system efficiency but also provides a robust solution for bidirectional charging and discharging of storage systems. Control strategies based on PID are implemented to regulate inductor currents and optimize the duty cycle, ensuring stable operation of the DC bus. Simulation results show high system performance, achieving efficiencies of up to 98.5%, validating the effectiveness of the proposed approach in energy management for microgrids.