Question

What does the flux distribution curve determine in the ac machine?

(a) waveshape of voltage

(b) waveshape of current

(c) waveshape of power

(d) commutation conditions

The question was posed to me in a job interview.

I'm obligated to ask this question of Field Form, Harmonic Analysis of Flux Distribution Curve topic in division Principles of Magnetic Circuit Design of Design of Electrical Machines

Answer 1

Correct answer is (a) waveshape of voltage

To explain: The flux distribution curve in the ac machine determines the waveshape of the voltage. In the dc machine the flux distribution curve determines the commutation conditions.