Intelligent Power Control of CD Microgrid
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In this paper, an intelligent power management strategy is proposed for hybrid DC microgrid, including wind turbine, fuel cell and battery energy storage. The considered wind turbine has a permanent magnet synchronous generator (PMSG). In the considered structure, wind turbine operates as the main energy source while the fuel cell and battery bank are both auxiliary power sources. The main control objective is to supply the load power continuously while keeping all power sources in normal conditions. Hence, the fuel cell and battery bank are managed such that the system operates in normal condition and fuel cell will not generate excessive power. The proposed control scheme is based on the fuzzy algorithm. All simulations in variant operational modes are performed by MATLAB/Simulink and results show the effectiveness of the proposed control strategy.