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Shown in Fig. P2.87 is cogeneration power plant operating in a thermodynamic cycle at steady state. The plant provides electricity to a community at a rate of 80 MW. The energy discharged from the power plant by heat transfer is denoted on the figure by Qout. Of this, 70 MW is provided FMKK-YZSS to the community for water heating and the remainder discarded to the environment without use. The electricity is valued at $0.08 per kW h. If the cycle thermal efficiency is 40%, determine the (a) rate energy is added by heat transfer, Q, in MW, (b) rate energy is discarded to the environment, in MW, and (c) value of the electricity generated, in $ per year. Welec =80 MW Power plant n=40

Shown in Fig. P2.87 is cogeneration power plant operating in a thermodynamic cycle at steady state. The plant provides electricity to a community at a rate of 80 MW. The energy discharged from the power plant by heat transfer is denoted on the figure by Qout. Of this, 70 MW is provided FMKK-YZSS to the community for water heating and the remainder discarded to the environment without use. The electricity is valued at $0.08 per kW h. If the cycle thermal efficiency is 40%, determine the (a) rate energy is added by heat transfer, Q, in MW, (b) rate energy is discarded to the environment, in MW, and (c) value of the electricity generated, in $ per year. Welec =80 MW Power plant n=40

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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Shown in Fig. P2.87 is cogeneration power plant operating in a thermodynamic cycle at steady state. The plant provides electricity to a community at a rate of 80 MW. The energy discharged from the power plant by heat transfer is denoted on the figure by Qout. Of this, 70 MW is provided FMKK-YZSS to the community for water heating and the remainder discarded to the environment without use. The electricity is valued at $0.08 per kW h. If the cycle thermal efficiency is 40%, determine the (a) rate energy is added by heat transfer, Q, in MW, (b) rate energy is discarded to the environment, in MW, and (c) value of the electricity generated, in $ per year. Welec =80 MW Power plant n=40
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