Electrical Power Plant

A central generating station has an annual factor report as follows:
Plant capacity factor = 50%
Load factor = 60%
Use factor = 45%
Reserved = 10,500 kW
Determine the rated capacity of the station.

A 55,000 kW thermal plant of National Power Corporation delivers an annual output of 238,000,000 kW-hr with a peak load of 44 MW. What is the capacity factor?

A thermal power plant has two generating sets rated 600 kW and 800 kW respectively being operated at rated capacity. The total coal consumption is 680 kg per hour. If the coal has a heating value of 20,000 joules per gram, what fraction of heat produced from the coal is converted into useful electrical energy?

The metering of a power customer was read and gave the following data.
kW-hr = 200,000
kVAR-hr = 180,000
Maximum demand = 380 kW
Billing days = 30
What is the load factor?

What is the annual capacity factor of the plant if the annual energy produced in a 150 MW power plant is \(500 \times 10^{6}\) kWhr?

The tailwater and the headwater of a hydro-electric power plant are 150 m and 200 m, respectively. What is the water power if the flow is 15 m³/sec and a head loss of 10% of the gross head?

What is the total energy generated by a station in kWhr in a year if its maximum demand and annual load factor is 150 kW and 45%, respectively?

A three-phase motor driven pump at 1,800 rpm is discharging 500 gpm of water at a head of 25 meters. The pump efficiency is 75%. Determine the horsepower of the motor.

The average weekly energy generated by a thermal plant is \(7 \times 10^{6}\) kWhr. The peak load of the plant is 75,000 kW during the week. If the plant has an installed capacity of 100 MW, solve for the load factor of the plant.

A certain amount of fuel can produce 10 quads of energy. In how many days will the fuel be totally consumed if it is used to satisfy a demand of \(10^{13}\) BTU/day at a power plant with an overall efficiency of 20 percent?

A 100 MW power station delivers 100 MW for 2 hours, 50 MW for 8 hours and is shut down for the rest of each day. It is also shut down for maintenance for 60 days each year. Calculate its annual load factor.

Estimate the average power output of a wind turbine having a blade diameter of 10.7 m if the wind velocity ranges from 10 to 30 miles per hour.

A certain power plant has a reserve capacity of 10 MW above the peak load. The annual factors are load factor = 59%, capacity factor = 41% and use factor = 46%. Determine the hours per year not in service.

A power plant consumes 3,600 tons of coal per day. If the coal has an average energy content of 10,000 BTU/lb, what is the plant's power output? Assume an overall efficiency of 15%.

A 100 MW hydroelectric station is supplying full load for 10 hrs in a day . Calculate the volume of water which has been used. Assume effective head of the water as 200 m and the overall efficiency of the station as 80%. Assume 1 m³ of water = 1,000 kg.

A power plant has an overall efficiency of 30%. If this plant consumes 4,200 kilograms of coal per hour, estimate the total electric energy produced in one day. Assume the calorific value of the coal is 5,000 kcal per kilogram.

A certain amount of fuel can produce 10 quads of energy. In how many days will the fuel be totally consumed if it is used to satisfy a demand of \(10^{13}\) BTU/day at a power plant with an overall efficiency of 20 percent?

What is the overall efficiency of the turbine if the power developed is 12 MW at a head of 150 meters and the nozzle discharges 10 cubic meters each second?

An industrial plant has an aggregate load of 100 kW. The demand factor is 60%. The average total energy consumption of the plant in one year is 186 MWHR. What is the yearly load factor of the plant?

A three-phase motor driven pump at 1,800 rpm is discharging 500 gpm of water at a head of 25 meters. The pump efficiency is 75%. Determine the HP of the motor.