From the figure shown below for the OCC and SCC of a three phase alternator, the point ‘L’ corresponds to _______ and the point ‘A’ can be obtained by _____ the alternator.
(a) terminal voltage, over exciting
(b) excitation voltage, over exciting
(c) terminal voltage, under exciting
(d) excitation voltage, under exciting
This question was addressed to me in semester exam.
Asked question is from Synchronous Motor Phasor Diagram in section Synchronous Motors of Electrical Machines