A 3-phase, 4-pole, 50 Hz induction motor is uses DOL method of starting. It is later replaced by reactance method of starting with a fraction of ‘x’, then the starting current reduces by?(a) x(b) x^2(c) 1/x(d) no change in the starting currentThis question was addressed to me in a job interview.Enquiry is from Starting of Polyphase Induction Motors-I topic in chapter Starting of Induction Motors of Electrical Machines

A 3-phase, 4-pole, 50 Hz induction motor is uses DOL method of startin

1.	A 3-phase, 4-pole, 50 Hz induction motor is uses DOL method of starting. It is later replaced by reactance method of starting with a fraction of ‘x’, then the starting current reduces by?(a) x(b) x^2(c) 1/x(d) no change in the starting currentThis question was addressed to me in a job interview.Enquiry is from Starting of Polyphase Induction Motors-I topic in chapter Starting of Induction Motors of Electrical Machines
Answer» Right option is (a) X To elaborate: The CURRENT will be reduced by a fraction of x.

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