Water power generation system which uses solar energyfor the pumping up is presented. Solar engine is drivedby the solar energy，pump is operated by the solar engineand water is pumped up by operating the pump.Water is used to power generation immediately or afterstorage in the tank for a while.This device was ascertained in the model experiment.As the solar engine，stirling one was used. Threeleaves rotary pump and pelton trubine were manufacturedon trial. Moreover，tachogenerator，etc. were used asthe generator.The generation of electric power is possible in theexperiments. But，because of hand-made of pump and waterturbine，the individual efficiency in those equipmentis low. Thus the total efficiency also is low.However， the higher value of efficiency can be derivedby improving those fabrications.It is effective to request the solar energy as thepower source in pumping up power generation system fromthe present experiment. Present method is superior onein water power generation for the small output or themiddling one.
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