a) The capacity factor of a hydroelectric power plant is 0.5. Its capital cost and variable...
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a) The capacity factor of a hydroelectric power plant is 0.5. Its capital cost and variable cost are $2000/kW and $0.005/kWh, respectively. Estimate the cost of electricity for this power plant if the fixed charge rate is 0.2/yr. (4 marks) b) Refer to the following load duration curve for a utility, and find the average capacity factor if the utility has 200 MW of base-load wind power plants. (4 marks) Demand (MW) 1000 900 800 700 600 500 400 300 $760 hr/yr 200 100 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 Hours/year Figure C1: Load duration curve for a utility [Source: Renewable and Efficient Electric Power Systems by Gilbert M. Masters, John Willey, 2004]. c) Cables carrying higher voltages must be spaced further apart from each other and from the ground. Is this statement correct? If yes, why? (2 marks) a) The capacity factor of a hydroelectric power plant is 0.5. Its capital cost and variable cost are $2000/kW and $0.005/kWh, respectively. Estimate the cost of electricity for this power plant if the fixed charge rate is 0.2/yr. (4 marks) b) Refer to the following load duration curve for a utility, and find the average capacity factor if the utility has 200 MW of base-load wind power plants. (4 marks) Demand (MW) 1000 900 800 700 600 500 400 300 $760 hr/yr 200 100 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 Hours/year Figure C1: Load duration curve for a utility [Source: Renewable and Efficient Electric Power Systems by Gilbert M. Masters, John Willey, 2004]. c) Cables carrying higher voltages must be spaced further apart from each other and from the ground. Is this statement correct? If yes, why? (2 marks)
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