For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The = 100kW. The shaft power elevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is W fluid output from the turbine is W = 80kW. sh (4)Determine the formula to express the relation between the efficiency of turbine n the efficiency of generator n turb gen efficiency OA. 11. O B. 11 turb-gen OD. 11. Wed Turbine =11. -11 turb-gen turb = 11 •n Wsh gen turb turb-gen OC.n, =11 •nturb-gen turb gen = n •n turb-gen turb gen Generator Weled > 7 and the combined
For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The = 100kW. The shaft power elevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is W fluid output from the turbine is W = 80kW. sh (4)Determine the formula to express the relation between the efficiency of turbine n the efficiency of generator n turb gen efficiency OA. 11. O B. 11 turb-gen OD. 11. Wed Turbine =11. -11 turb-gen turb = 11 •n Wsh gen turb turb-gen OC.n, =11 •nturb-gen turb gen = n •n turb-gen turb gen Generator Weled > 7 and the combined
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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For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The elevation difference between the two free surfaces is . The power input from the fluid to the turbine is is . The shaft power output from the turbine is .
(4)Determine the formula to express the relation between the efficiency of turbine , the efficiency of generator , and the combined efficiency __________
A. B. C. D.

Transcribed Image Text:For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The
elevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is W = 100kW. The shaft power
fluid
output from the turbine is W = 80kW.
sh
(4)Determine the formula to express the relation between the efficiency of turbine . the efficiency of generator
turb
efficiency n
O A.11
B. 11
OC.n
turb - gen
gen
turb-gen
Turbine
O D. 11
=11 turb
= 11 -n
turb
•n
= 11 •n
turb gen
quid
Wsh
gen
turb-gen
turb-gen
=n. •n
turb-gen turb gen
G
Generator
Welec
>
gen
7
and the combined
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