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A coal-fired combined cycle power plant serves a small city and has a load cycle shown below (Weekdays: Mon-Sat). The power plant has the following generating units: 100 MW gas turbine, 2 X 40 MW steam turbines, and 2 X 10 MW Diesel generators. Time (hrs) 0 - 4 4 - 10 10 - 12 12 - 17 17-19 19 - 20 20-24 Load Weekdays (MW) Sundays 60 90 105 95 110 185 60 60 80 100 120 140 130 60 a. Draw the daily load curves for the weekdays and Sundays. b. Draw the load duration curves for weekdays and Sundays. c. Compute how much units is generated per week.

A coal-fired combined cycle power plant serves a small city and has a load cycle shown below (Weekdays: Mon-Sat). The power plant has the following generating units: 100 MW gas turbine, 2 X 40 MW steam turbines, and 2 X 10 MW Diesel generators. Time (hrs) 0 - 4 4 - 10 10 - 12 12 - 17 17-19 19 - 20 20-24 Load Weekdays (MW) Sundays 60 90 105 95 110 185 60 60 80 100 120 140 130 60 a. Draw the daily load curves for the weekdays and Sundays. b. Draw the load duration curves for weekdays and Sundays. c. Compute how much units is generated per week.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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A coal-fired combined cycle power plant serves a small city and has a load cycle shown below (Weekdays: Mon-Sat). The power plant has the following generating units: 100 MW gas turbine, 2 X 40 MW steam turbines, and 2 X 10 MW Diesel generators. Time (hrs) 0 - 4 4 - 10 10 – 12 12 - 17 17-19 19 - 20 20-24 Load Weekdays (MW) Sundays 60 90 105 95 110 185 60 60 80 100 120 140 130 60 a. Draw the daily load curves for the weekdays and Sundays. b. Draw the load duration curves for weekdays and Sundays. c. Compute how much units is generated per week. d. Compute the average load during i) weekdays, ii) Sundays. e. Compute the load factor for each load cycle. f. Create an operation schedule for the weekdays and Sundays. Explain your operation schedule. g. Compute the fuel requirements for coal (in tons) during the weekend, if coal has a calorific value of 31 MJ/kg. The average plant heat rate is 12,000 Btu/kWh.
Transcribed Image Text:A coal-fired combined cycle power plant serves a small city and has a load cycle shown below (Weekdays: Mon-Sat). The power plant has the following generating units: 100 MW gas turbine, 2 X 40 MW steam turbines, and 2 X 10 MW Diesel generators. Time (hrs) 0 - 4 4 - 10 10 – 12 12 - 17 17-19 19 - 20 20-24 Load Weekdays (MW) Sundays 60 90 105 95 110 185 60 60 80 100 120 140 130 60 a. Draw the daily load curves for the weekdays and Sundays. b. Draw the load duration curves for weekdays and Sundays. c. Compute how much units is generated per week. d. Compute the average load during i) weekdays, ii) Sundays. e. Compute the load factor for each load cycle. f. Create an operation schedule for the weekdays and Sundays. Explain your operation schedule. g. Compute the fuel requirements for coal (in tons) during the weekend, if coal has a calorific value of 31 MJ/kg. The average plant heat rate is 12,000 Btu/kWh.
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