Browsing by Author "Okasha, A. M"

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    EFFECT OF THE CRITICAL IRRADIANCE ON PHOTOVOLTAIC WATER PUMP DISCHARGE UNDER EGYPTIAN CONDITIONS
    (UNIV AGRICULTURAL SCIENCES & VETERINARY MEDICINE BUCHAREST, 2015) Elhaddad, A. W; Okasha, A. M; Khalifa, E. M; Helmy, Mamdouh Abbas
    The present investigation aimed to study the effect of critical irradiance due to changing tilt angle of PV panel and tracking sun on submersible pump discharge. The authors used solar tracker and suitable tilt angle for the panel to increase the time interval during which the water pump operates. For the same irradiance collected by the PV, all systems pump the same amount of water, although they occur at different periods of the day. The pump itself 'does not know whether the electric power comes from any processes, as long as it has the same intensity.