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Series reactor method of starting has main disadvantage of __________

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Series reactor method of starting has main disadvantage of __________

(a) lowering the starting power

(b) increasing the starting current

(c) increasing starting torque

(d) all of the mentioned

I had been asked this question in an interview for job.

I'm obligated to ask this question of Starting of Polyphase Induction Motors-I topic in chapter Starting of Induction Motors of Electrical Machines

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Best answer
Correct choice is (a) lowering the starting power

Best explanation: Main disadvantage of using reactors is that ot reduces the starting power of the machine and so the efficiency.

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