Question

What is the relation of the total slot leakage reactance with number of stator slots?

(a) slot leakage reactance is directly proportional to the number of rotor slots

(b) slot leakage reactance is indirectly proportional to the number of rotor slots

(c) slot leakage reactance is directly proportional to the  square of the number of rotor slots

(d) slot leakage reactance is indirectly proportional to the square of the number of rotor slots

The question was asked in an internship interview.

I'd like to ask this question from Parameters in portion Design of Single Phase Induction Motor of Design of Electrical Machines

Answer 1

Right option is (b) slot leakage reactance is indirectly proportional to the number of rotor slots

Explanation: The slot leakage reactance is one of the parameters in the leakage reactance calculation. The slot leakage reactance is indirectly proportional to the number of rotor slots.