Non-linear sliding mode controller for photovoltaic panels with maximum power point tracking

Hina Gohar Ali, Ramon Vilanova i Arbós, Jorge Herrera, Andrés Tobón, J. Peláez-Restrepo

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32 Citas (Scopus)

Resumen

In this paper, nonlinear sliding mode control (SMC) techniques formulated for extracting maximum power from a solar photovoltaic (PV) system under variable environmental conditions employing the perturb and observe (P and O) maximum power point tracking (MPPT) technique are discussed. The PV system is connected with load through the boost converter. A mathematical model of the boost converter is derived first, and based on the derived model, a SMC is formulated to control the gating pulses of the boost converter switch. The closed loop system stability is verified through the Lyapunov stability theorem. The presented control scheme along with the solar PV system is simulated in MATLAB (matric laboratory) (SMC controller and PWM (Pulse Width Modulation) part) and PSIM (Power electronics simulations) (solar PV and MPPT algorithm) environments using the Simcoupler tool. The simulation results of the proposed controller (SMC) are compared with the classical proportional integral derivative (PID) control scheme, keeping system parameters and environmental parameters the same.
Idioma originalInglés
PublicaciónProcesses
Volumen8
N.º1
DOI
EstadoPublicada - 2020

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