In this paper a three phase induction motor controller for a photovoltaic powered water pump without the use of chemical storage element is presented. The use of a three-phase induction motor is a better solution to the dc motor water pumping system. This system is use to achieve a more efficient, reliable, maintenance-free, and cheaper solution than that use dc motors or low-voltage synchronous motors. The developed system is based on a non inverting buck–boost converter and a full-bridge three-phase inverter. Maximum Power Point Tracking (MPPT) algorithm has been developed and implemented to maximize the use of solar power generated at any given instant. By using MATLAB/ Simulink model is implemented. The system is expected to have a high lifetime due to the inexistence of storage element. As a result, the system is a economical solution to deliver water to household, industrial and agricultural activities which require water supply.
Dc-Dc converter, Perturb and Observe (P and O), Maximum Power Point Tracking (MPPT) algorithm, Photovoltaic (PV) systems
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