How are the machines sometimes designed with respect to ratings?
(a) design 2 machines with different rating
(b) design a series of machines with different ratings to fit into a single frame size
(c) design a series of machines with same rating to fit into a single frame size
(d) design 2 machines with the same rating
The question was asked during an interview.
I'm obligated to ask this question of Modern Trends in Machine Design & Magnetic Leakage in portion Fundamental Aspects of Electrical Machine Design of Design of Electrical Machines