IN IN956DE2014A
A solar energy powered water pumping system (I) with a water storage receptacle (2), an electric pump (3) having suction duct (5) and a discharge duct (7) connected to the storage receptacle (2), a control unit (8) adapted to energize the electric pump (3), a photovoltaic assembly (1 1) connected to the control unit (8), wherein the control unit (8) monitors an output voltage (VDC) of the photovoltaic assembly (1 1) and activates the electric pump (3) if the output voltage (VDC) is greater than a preset reference voltage (VDC-REF) and stops the electric motor pump (3) if the output voltage (VDC) is smaller than a preset minimum voltage value (VDC-MIN) smaller than the reference voltage value (VDC-REF). (FIG. 1)
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