4. A conventional hydropower station in a dam impounds 390 ft of fresh water and has a flow of 24,720 cubic feet per second. a. What is the maximum possible amount of power (in MW) that can be developed by a turbine installed at this station? b. Calculate the power specific speed Nsp assuming a synchronous speed of 90 rpm and determine the appropriate turbine type (Pelton, Francis, or Kaplan) for this installation. c. If the turbine efficiency is 92.7%, what is the actual power developed (in MW)?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4. A conventional hydropower station in a dam impounds 390 ft of fresh water and has a
flow of 24,720 cubic feet per second.
a. What is the maximum possible amount of power (in MW) that can be
developed by a turbine installed at this station?
b. Calculate the power specific speed Nóp assuming a synchronous speed of 90
rpm and determine the appropriate turbine type (Pelton, Francis, or Kaplan)
for this installation.
c. If the turbine efficiency is 92.7%, what is the actual power developed (in
MW)?
Transcribed Image Text:4. A conventional hydropower station in a dam impounds 390 ft of fresh water and has a flow of 24,720 cubic feet per second. a. What is the maximum possible amount of power (in MW) that can be developed by a turbine installed at this station? b. Calculate the power specific speed Nóp assuming a synchronous speed of 90 rpm and determine the appropriate turbine type (Pelton, Francis, or Kaplan) for this installation. c. If the turbine efficiency is 92.7%, what is the actual power developed (in MW)?
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