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In a hydro-electric scheme/plant five (5) Pelton wheels are to be used under the following design am installation conditions: Output power required 28 MW Gross vertical head 271m Rotational speed of the shaft 375 rev/min Number of jets per Pelton Wheel 2 off (two) Maximum operating overall efficiency 75.1 % Head lost to friction in pipeline not exceed Unknown The ratio of the bucket speed to the jet speed 0,46

In a hydro-electric scheme/plant five (5) Pelton wheels are to be used under the following design am installation conditions: Output power required 28 MW Gross vertical head 271m Rotational speed of the shaft 375 rev/min Number of jets per Pelton Wheel 2 off (two) Maximum operating overall efficiency 75.1 % Head lost to friction in pipeline not exceed Unknown The ratio of the bucket speed to the jet speed 0,46

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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In a hydro-electric scheme/plant five (5) Pelton wheels are to be used under the following design and installation conditions: Output power required 28 MW Gross vertical head 271m Rotational speed of the shaft 375 rev/min Number of jets per Pelton Wheel 2 off (two) Maximum operating overall efficiency 75.1 % Head lost to friction in pipeline not exceed Unknown The ratio of the bucket speed to the jet speed 0,46 The relative velocity at exit to the relative velocity at entry 0,85 165° Given that the blade deflect the water at angle Determine: The overall flow rate throughout the system. Om /s Ocm/s Cmm/s Answer:
Transcribed Image Text:In a hydro-electric scheme/plant five (5) Pelton wheels are to be used under the following design and installation conditions: Output power required 28 MW Gross vertical head 271m Rotational speed of the shaft 375 rev/min Number of jets per Pelton Wheel 2 off (two) Maximum operating overall efficiency 75.1 % Head lost to friction in pipeline not exceed Unknown The ratio of the bucket speed to the jet speed 0,46 The relative velocity at exit to the relative velocity at entry 0,85 165° Given that the blade deflect the water at angle Determine: The overall flow rate throughout the system. Om /s Ocm/s Cmm/s Answer:
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