Abstract
Conventional power generation is undergoing a dramatic upheaval, and renewable-based microgrids are playing an important part in this energy sector revolution. An integral terminal sliding mode controller based on a double-power reaching law control strategy for solar photovoltaic and battery-based DC microgrid systems has been proposed in this paper for the energy-environment nexus. First, a thorough mathematical model of the DC microgrid’s components is developed based on their electrical properties. The controller is therefore developed with the key goal of maintaining a consistent DC-bus voltage during the DC microgrid’s transient and steady-state situations. The asymptotic stability of the DC microgrid is then proven using the Lyapunov control theory. Finally, the proposed controller’s applicability is investigated using thorough analysis on both simulation and real-time platforms, as well as rigorous comparison studies with an existing sliding mode controller. For simulation studies, the MATLAB/Simulink platform is used, while the processor-in-loop validations of the proposed approach are performed on a Rasberry Pi 3B Quad-Core 64-bit Microprocessor Development Board.
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