A dam with a hydraulic turbine- generator located 40 m below the water surface has a rate of 4600 kg/s flowing through the penstock. If the electric power generated is measured to be 1400 kW and the generator efficiency is 95%, determine: (a) the overall efficiency of the turbine- generator, (b) the mechanical efficiency of the turbine, (c) the shaft power supplied by the turbine to the generator. (a) noverall (%) = (b) nturbine (%) = (b) Wshaft,out (%)

A dam with a hydraulic turbine- generator located 40 m below the water surface has a rate of 4600 kg/s flowing through the penstock. If the electric power generated is measured to be 1400 kW and the generator efficiency is 95%, determine: (a) the overall efficiency of the turbine- generator, (b) the mechanical efficiency of the turbine, (c) the shaft power supplied by the turbine to the generator. (a) noverall (%) = (b) nturbine (%) = (b) Wshaft,out (%)

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter33: Hydronic Heat

Section: Chapter Questions

Problem 30RQ: Why are solar systems intended to be used as a supplementary heat source? A. Because they are more...

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