What is the formula for the harmonic poles due to slots?(a) harmonic poles due to slots = 2 * (number of slots ± number of poles / 2)(b) harmonic poles due to slots = 2 / (number of slots ± number of poles / 2)(c) harmonic poles due to slots = 2 * (number of slots ± number of poles * 2)(d) harmonic poles due to slots = 1/ 2 * (number of slots ± number of poles / 2)The question was posed to me in a job interview.The origin of the question is Design of Rotor in section Design of Single Phase Induction Motor of Design of Electrical Machines

What is the formula for the harmonic poles due to slots?(a) harmonic p

1.	What is the formula for the harmonic poles due to slots?(a) harmonic poles due to slots = 2 * (number of slots ± number of poles / 2)(b) harmonic poles due to slots = 2 / (number of slots ± number of poles / 2)(c) harmonic poles due to slots = 2 * (number of slots ± number of poles * 2)(d) harmonic poles due to slots = 1/ 2 * (number of slots ± number of poles / 2)The question was posed to me in a job interview.The origin of the question is Design of Rotor in section Design of Single Phase Induction Motor of Design of Electrical Machines
Answer» Right CHOICE is (a) harmonic poles due to slots = 2 * (NUMBER of slots ± number of poles / 2) The BEST EXPLANATION: First the number of slots and number of poles are first calculated. On substitution we GET the harmonic poles due to the slots.

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