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

Exercise 43

A balanced three-phase load operates at 90 kW with a line voltage at the load of 480 0° V rms at 60 Hz. The apparent power of the three-phase load is 100 kVA. It is known that the load has a lagging power factor. What is the total three-phase reactive power of the load
a. 22.43 kvar
b. 30.51 kvar
c. 25.35 kvar
d. 43.59 kvar