MATLAB Simulation of Sliding Mode Controller Based P&O MPPT
MATLAB Simulation of Sliding Mode Controller Based P&O MPPT
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In this video, LMS Solution explains the Sliding Mode Controller based P&O MPPT algorithm for a solar PV system using MATLAB/Simulink. The model is developed to extract maximum power from a 250 W solar PV panel under different operating conditions. The video begins with the PV panel specifications, including open circuit voltage, maximum power point voltage, short circuit current, and maximum power current. It also explains the I-V and P-V characteristics of the PV panel under varying irradiation levels.
The simulation model includes a solar PV source, boost converter, sliding mode controller, hysteresis controller, and variable load. The boost converter design is discussed based on PV power, input voltage, output voltage, inductor ripple current, and capacitor voltage ripple. The conventional Perturb and Observe MPPT method is used to generate the reference voltage, while the Sliding Mode Controller improves tracking performance and dynamic response. The hysteresis controller then produces the switching pulses for the IGBT.
The model is tested in two cases: varying irradiation with constant load and varying load with constant irradiation. The simulation results show PV voltage, current, power, load voltage, current, and load power responses. The controller is able to maintain PV operation near the maximum power point even when irradiation or load changes occur.
This video is useful for researchers, students, and engineers working on solar PV systems, MPPT techniques, power electronics, and advanced control methods in MATLAB/Simulink.
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