Design and Simulation of Photovoltaic Water Pumping System
Tourkia Lajnef1, Slim Abid2, Anis Ammous3
1Tourkia Lajnef, Pursuing Ph.D National School of Engineers (ENIS), Sfax, Tunisia.
2Slim Abid, Professor at the National School of Engineers (ENIS), Sfax, Tunisia.
3Anis Ammous, Professor at the National School of Engineers (ENIS), Sfax, Tunisia.
Manuscript received on March 19, 2013. | Revised Manuscript received on April 03, 2013. | Manuscript published on April 30, 2013. | PP: 161-164 | Volume-2, Issue-4, April 2013. | Retrieval Number: D1308042413/2013©BEIESP

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Abstract: The power source for pumping water is one of the most promising areas in photovoltaic applications. This paper presents the performance of the photovoltaic plant especially in the case of climatic and load fluctuations. The studied system consists of the PV array, the ACmotor, the centrifugal pump and using an MPPT algorithm to improve the efficiency of the PV system. This methodology allows an optimal control and monitoring of inverters by calculating the duty cycle of the DC-DC converter and the voltage/frequency control. Each subsystem is modeled in order to simulate the whole system in MATLAB,SIMULINK. The non linear averaged modeling technique of the converters is used in order to picture accurately the PV system behavior during a low simulations time.
Keywords: Photovoltaic pumping system, MPPT, inverters, simulation model, control.