In a calculation, the actual voltage regulation is 33.1% while the calculated value of the voltage regulation is 32.9%. This infers that the chosen method has been ___________
(a) zpf or asa
(b) emf
(c) mmf
(d) mmf or zpf
The question was posed to me during an interview.
I'm obligated to ask this question of Voltage Regulation of an Alternator topic in section Synchronous Generators of Electrical Machines