This is part of a problem of my past examination in Electric Machines. I don't know how to solve it yet.
A salient pole synchronous generator \$ (X_q < X_d) \$ has a connected load at rated voltage. If the synchronous generator, operating with a voltage regulation zero, and a voltage drop in the resistance of armor 0.05pu (when the magnitude of the armature current is minimal), determine: a) Power factor load. b) The load angle \$ \delta \$ of the synchronous generator.
I appreciate your help.