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4. Hydroelectric power plant has the following data: Type of turbine - - Francis Gross head - - - 75 m Rate of flow - 5 m3/sec Penstock length - -65 m Penstock diameter -- -- 850 mm Assume that the turbine efficiency is 85% and generator efficiency is 90%. Assume f = 0.025. Find the brake power developed in MW.

4. Hydroelectric power plant has the following data: Type of turbine - - Francis Gross head - - - 75 m Rate of flow - 5 m3/sec Penstock length - -65 m Penstock diameter -- -- 850 mm Assume that the turbine efficiency is 85% and generator efficiency is 90%. Assume f = 0.025. Find the brake power developed in MW.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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4. Hydroelectric power plant has the following data: Type of turbine - -- Francis Gross head - 75 m Rate of flow - - 5 m3/sec -- 65 m Penstock length - Penstock diameter - -- 850 mm Assume that the turbine efficiency is 85% and generator efficiency is 90%. Assume f = 0.025. Find the brake power developed in MW. 5. An impulse turbine which has a diameter, D = 5 ft, speed N = 7 rev/sec, bucket angle, ß = 1500 , coefficient of velocity, Cv = 0.9760, relative speed, Ø = 0.470, a generator efficiency, em = 0.90, and a jet diameter from nozzle of 0.625 feet. Compute the power input in HP.
Transcribed Image Text:4. Hydroelectric power plant has the following data: Type of turbine - -- Francis Gross head - 75 m Rate of flow - - 5 m3/sec -- 65 m Penstock length - Penstock diameter - -- 850 mm Assume that the turbine efficiency is 85% and generator efficiency is 90%. Assume f = 0.025. Find the brake power developed in MW. 5. An impulse turbine which has a diameter, D = 5 ft, speed N = 7 rev/sec, bucket angle, ß = 1500 , coefficient of velocity, Cv = 0.9760, relative speed, Ø = 0.470, a generator efficiency, em = 0.90, and a jet diameter from nozzle of 0.625 feet. Compute the power input in HP.
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