When is the starting winding cut out of the circuit in the split phase motor?
(a) when the motor speed reaches 65 % of the full load speed
(b) when the motor speed reaches 75 % of the full load speed
(c) when the motor speed reaches 50 % of the full load speed
(d) when the motor speed reaches 85 % of the full load speed
The question was asked in semester exam.
This intriguing question originated from Types of Motor in section Design of Single Phase Induction Motor of Design of Electrical Machines