steam turbine takes up steam at 1200 K and discharges the waste steam to the condenser at 450 K. In order to maintain the source temperature constant at 1200 K, coal is fired at the rate of 120 t h-1 in the boiler. Taking into account the losses in the boiler, 70% of the fuel heat goes to generate steam which is supplied to the turbine with a negligible heat loss. The turbine is coupled to a turbo-alternator to generate an AC. If the generator efficiency is 93% and transmission efficiency is 95%, what is the electrical power output available in the grid? Given calorific value of fuel is 32000 kJ/kg.
steam turbine takes up steam at 1200 K and discharges the waste steam to the condenser at 450 K. In order to maintain the source temperature constant at 1200 K, coal is fired at the rate of 120 t h-1 in the boiler. Taking into account the losses in the boiler, 70% of the fuel heat goes to generate steam which is supplied to the turbine with a negligible heat loss. The turbine is coupled to a turbo-alternator to generate an AC. If the generator efficiency is 93% and transmission efficiency is 95%, what is the electrical power output available in the grid? Given calorific value of fuel is 32000 kJ/kg.
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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Question
A steam turbine takes up steam at 1200 K and discharges the waste steam to the condenser
at 450 K. In order to maintain the source temperature constant at 1200 K, coal is fired at the rate
of 120 t h-1
in the boiler. Taking into account the losses in the boiler, 70% of the fuel heat goes to
generate steam which is supplied to the turbine with a negligible heat loss. The turbine is coupled
to a turbo-alternator to generate an AC. If the generator efficiency is 93% and transmission
efficiency is 95%, what is the electrical power output available in the grid? Given calorific value
of fuel is 32000 kJ/kg.
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