A generating station has a maximum demand of 30,000 kW. Calculate the cost per unit generated from the following data: Capital cost = P 130M; Annual load factor = 50%; Annual cost of fuel and oil = P7.5M ; Taxes, wages and salaries etc. = P7M and Interest and depreciation = 12

What is Energy crisis? What are the causes of energy crisis? Explain the consequences and possible solutions of the energy crisis.

7.73 To correct the power factor problems of the motor in Problem 7.72, the company has decided to install capacitors as shown in Figure P7.73. Assume rms values. a. What capacitance must be installed to achieve a unity power factor if the line frequency is 60 Hz? b. Repeat part a if the power factor is to be 0.85 (lagging). 50 j62 50 jó N 50 j6 2 Figure P7.73 all ele ww