Electrical Power Plant

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

In how many years will the energy consumption of the Philippines be quadrupled at 6.9 percent growth rate?

A hydroelectric generating station is supplied from a reservoir of capacity \(5 \times 10^{6}\) m at a head of 200 meters. Find the total energy available in KWHR if the overall efficiency is 75 .

A generating station to supply four regions of load whose peak loads are 10 MW, 5 MW, 8 MW, 7 MW. The diversity factor at the station is 1.5 and the average annual load factor is 60 . Calculate the annual energy supplied by the station.

A power plant is said to have had a use factor of 48.5% and a capacity factor of a 42.4%. How many hours did it operate during the year?

In a certain country the energy consumption is expected to double in 10 years. Calculate the growth rate.

A generating station supplies peak load of 12,000 KW, 9,000 KW, and 6,000 KW. Calculate the maximum demand of the station and the energy supplies in a year if it its diversity factor and its average annual load factor is 1.2 and 0.7, respectively.

A diesel generator set burns fuel with a heating value of 18,000 BTU per lb. the diesel engine has an efficiency of 30% and the alternator has an efficiency of 95%. Determine the fuel cost component of producing one KWHR if the diesel costs P 2.80 per lb

A power plant gets water from a dam from a height of 100 m at the rate of 1,000 cubic meters per minute. If the overall efficiency of the plant is 75%, what is the KW output of the plant?

A customer owns an old air conditioning unit rated ½ HP at 70% efficiency but decide to buy a new one of the same horse power rating with 85% efficiency and with 2 years warranty. If the usage of new unit is 8 hours per day and 150 days per year, what is the differential cost of energy in one year when the unit cost of energy is P8.99/KWHR?

A certain electric generating station has an efficiency of 25%. If coal consumption is 4,500 kg/hr and calorific value of coal is 6,000kcal/kg. Find the total energy produced per day.

A 100 MW power station delivers 100 MW for 2 hrs, 50 MW for 8 hrs 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.

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

A diesel generator set burns fuel with a heating value of 18,000 BTU per lb. The diesel engine has an efficiency of 30% and the alternator has an efficiency of 95%. Determine the fuel cost component of producing one KWHR if the diesel cost P12.80 per lb.

In a certain country, the peak power demand for year 2005 is 9,287 MW and by year 2014 it is estimated to be 10,064 MW. Calculate the growth rate.

A certain amount of fuel can be converted into \(3 \times 10^{-3}\) quads of energy. Assume 30% overall efficiency for the power plant. If the average load on the power plant over a 24 hr period is 60 MW, how long in days will the fuel last?

Natural gas has an energy content of 0.036 watt-year/ft³, and coal has an average energy content of 640 watt-years/ton. If 20 percent of the net energy requirement of \(2.82 \times 10^{6}\) GWh were to be met with gas and 80 percent with coal, what amount of gas would be required?

A 50 MW coal-fired power plant has an average heat rate of 11,000 BTU/kWHR. Coal has a heating value of 13,000 BTU per pound. The plant has a load factor of 80%. How much coal is burned per day?

A small wind generator is designed to generate 50 kW of power at a wind velocity of 25 miles per hour. What is the approximate blade diameter?

In a certain country, the equivalent fuel reserve for power generation is \(3 \times 10^{6}\) MW-years. The present peak power demand is 200 GW, and the expected power consumption growth rate is 2.1 percent. How long will the fuel reserve last?