Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms

Exercise 51

A transmission line with impedance of 0.08 + j 0.25 n is used to deliver power to a load. The load is inductive, and the load voltage is 220 0° V rms at 60 Hz. If the load requires 12 kW and the real power loss in the line is 560 W, determine the power factor angle of the load.