This approach integrates a solar photovoltaic and grid supply for LED lighting, suggesting enhanced power management.
A solar photovoltaic-driven interior LED lighting system is proposed in this manuscript, which is applicable for clean rooms, laboratories, modular offices, convention halls, theatres, churches, etc., during daytime as well as night hours. The proposed scheme gets supply from the grid in the case of shortage/absence of solar PV power. The power transfer from the PV source and the grid is customized to utilize the maximum PV power to maintain the constant and required level of illumination at the workplace. A Firefly algorithm, together with a conventional proportional-integral (PI) controller, is designed and tested successfully for effective power arrangement. The simulated and measured result shows the effectiveness of the new approach.
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Rajan et al. (2025) studied this question.
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