Electric power is to be generated by installing a hydraulic turbine-generator at a site 70 m below the free sur- face of a large water reservoir that can supply water at a rate of 3000 kg/s steadily. If the mechanical power output of the turbine is 800 kW and the electric power generation is 750 kW, determine the turbine efficiency and the combined tur- bine-generator efficiency of this plant. Friction in pipes = 8% of available potential energy. Answers: a) 38.83% b)36.41%

Electric power is to be generated by installing a hydraulic turbine-generator at a site 70 m below the free sur- face of a large water reservoir that can supply water at a rate of 3000 kg/s steadily. If the mechanical power output of the turbine is 800 kW and the electric power generation is 750 kW, determine the turbine efficiency and the combined tur- bine-generator efficiency of this plant. Friction in pipes = 8% of available potential energy. Answers: a) 38.83% b)36.41%

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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