This article present an application of sliding-mode control strategy to track maximum power of photovoltaic pumping system based on an induction generator with direct torque control. With the maximum power point tracking control system, it is necessary to measure the photovoltaic (PV) panel array output power and to change the duty cycle of the DC/DC converter control signal. To test the robustness of this control, we have compared the results with those obtained using the perturb and observe method. To control the stator flux and electromagnetic torque of of induction machines, the direct torque control is applied. The performance of the proposed system is validated in the MATLAB/Simulink environment (The MathWorks, Natick, Massachusetts, USA) and obtained results confirm the effectiveness of this strategy under the parameter variation environments.
Application of Direct Torque Control to a Photovoltaic Pumping System with Sliding-mode Control Optimization
2016
Article (Journal)
English
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