Question

Starters are required in the induction motor because __________

(a) of high starting current

(b) they are not self starting

(c) torque produced is very low at starting to overcome inertia

(d) all of the mentioned

I had been asked this question by my college director while I was bunking the class.

My query is from Starting of Polyphase Induction Motors-I topic in section Starting of Induction Motors of Electrical Machines

Answer 1

Correct answer is (a) of high starting current

To explain I would say: Starters are needed in induction motors to limit the starting current.