7. Electric power is to be generated by installing a hydraulic turbine-generator at a site 70 m below the free surface of a large water reservoir that can supply water at a rate of 1500 kg/s steadily. If the mechanical power output of the turbine is 800 kW and the electric power generation is 750 kW, determine the combined turbine-generator efficiency of this plant. Neglect losses in the pipes.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7. Electric power is to be generated by installing a
hydraulic turbine-generator at a site 70 m below the
free surface of a large water reservoir that can
supply water at a rate of 1500 kg/s steadily. If the
mechanical power output of the turbine is 800 kW
and the electric power generation is 750 kW,
determine the combined turbine-generator
efficiency of this plant. Neglect losses in the pipes.
Transcribed Image Text:7. Electric power is to be generated by installing a hydraulic turbine-generator at a site 70 m below the free surface of a large water reservoir that can supply water at a rate of 1500 kg/s steadily. If the mechanical power output of the turbine is 800 kW and the electric power generation is 750 kW, determine the combined turbine-generator efficiency of this plant. Neglect losses in the pipes.
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