Abstract
Energy crisis and water scarcity are among major concerns in which addressing them in one solution is a trend. Renewable energy systems, especially PV systems, can be used to power a Reverse Osmosis (RO) water desalination system. on the other hand, increasing the efficiency of the PV systems is important to achieve the best performance of the system. In this paper, a PVRO system is designed, and different Maximum Power Point Tracking (MPPT) techniques are provided to increase the efficiency and find the best response. In the first part, PVRO system configuration, including load sizing, system sizing by HOMER Pro software, system components, and system diagram, has been discussed. Perturb and Observe (P&O), Incremental Conductance (InC), and Fuzzy Logic (FL) MPPT techniques are introduced and implemented separately in MATLAB/Simulink. In the last part, a comparison of these three controllers is made. It is shown that the FL controller has better results in rise time, average efficiency, ability to track sudden changes, and oscillations.
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