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

Exercise 38

In a balanced three-phase wye-wye system, the source is an abc -sequence set of voltages. The load voltage on the a phase is V AN =110 80° V rms, Z line = 1 + j 1.4 , and Z load = 10 + j 13 . Determine the input sequence of the line-to-neutral voltages.