Electrical Power Plant

A diversity factor of 2 gives a saving of ___ % in generating equipment.

The annual load curve is a straight line from 40 MW to 8 MW. What is the annual load factor?

A 75 MW power plant has an average load of 35,000 KW and a load factor of 65%. Find the reserve over peak.

A hydroelectric generating station is supplied from a reservoir of capacity 6,000,000 m 3 at a head of 170 m. Assume hydraulic efficiency of 80% and electrical efficiency of 90%. The fall in the reservoir level after a load of 15 MW has been supplied for 3 hours, if the area of the reservoir is 2.5 km 2 is closest to

Suppose that the consumption of energy in a certain country has a growth rate of 4 percent per year. In how many years will the energy consumption be tripled?

Suppose that the consumption of energy in a certain country has a growth rate of 4% per year. In how many years will the energy consumption be tripled?

A hydroelectric generating station is supplied from a reservoir of capacity \(5 \times 10^{8}\) m³ at a head of 200 meters. Find the total energy available in kWh if the overall efficiency is 75%.

A consumer requires \(2 \times 10^{6}\) kWh per year and its yearly load factor is 30 percent. What is its maximum demand?

A generating plant has minimum and maximum outputs of 50 MW and 100 MW, respectively. It generates an energy of 1,800,000 kWh in 24 hours at an average power factor of 90%. What is the load factor of the plant?

A 75 MW steam power station uses coal of calorific value 6,400 kcal/kg. Thermal efficiency of the station is 30% while electrical efficiency is 80%. Calculate the coal consumption per hour when the station is delivering its full output.

What is the cost of operating a 70 percent efficient 20 hp pump for 20 days, 8 hrs per day? Cost of energy is P0.05/kWh.

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 percent.

A plant has a total generating capacity of 800 kW. The coal consumption is 1,900 lbs. per hour. Heating value of the coal is 9,500 BTU per lb. What approximate percent in heat in the coal is converted into useful energy?

A power plant consumes 100,000 lbs. of coal per hour. The heating value of the coal is 12,000 BTU per lb. the overall plant efficiency is 30%. What is the kW output of the plant?

A power plant gets water from a dam from a height of 122.45 m at the rate of 1,000 cubic meters per minute. If the output of the plant is 15,000 kW, what is the plant efficiency?

Calculate the use factor of a power plant if the capacity factor is 35% as it operates 8,000 hours during the year.

A wind generator with an efficiency of 80% has a blade diameter of 20 m. If the wind velocity is 30 Km/hr, how much power in KW is obtained from the generator?