Saudi Cultural Missions Theses & Dissertations

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Design and Simulation of Different MPPT Algorithms of a Standalone PV System
(Saudi Digital Library, 2023-08-07) Alanazi, Fahad; Elgendy, Mohammed
This study delves into a standalone PV system tailored for a DC load, conducting a comprehensive contrast between solar energy and conventional generation methods. It addresses solar energy's relatively diminished efficiency due to temperature and irradiance factors. To enhance overall efficiency, the research employs an MPPT-equipped PV system with a DC-DC converter. Diverse MPPT algorithms, including conventional and variable Perturb and Observe methods, along with the Incremental Conductance algorithm, are exhaustively discussed, detailing their advantages and limitations. The investigation employs a vibrating feeder as the load, powered by a variable-speed shunt DC motor. A buck converter serves as the chosen DC-DC converter type. MATLAB simulations intricately illustrate the PV array, DC-DC converter, Perturb and Observe, Incremental Conductance algorithms, and the DC shunt motor, with comprehensive result analysis. Sensitivity analysis is applied to sample time and step size, revealing their influence on the system and DC motor speed. The thesis further examines limitations and discusses future work beyond its conclusion.
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