What should be done to keep the rotor voltage to an acceptable level?(a) rotor to stator turns must be properly adjusted(b) stator to rotor turns must be properly adjusted(c) stator turns must be adjusted(d) rotor turns must be adjustedI got this question in examination.This intriguing question comes from Design of Wound Rotor in division Three Phase Induction Motor of Design of Electrical Machines

What should be done to keep the rotor voltage to an acceptable level?(

1.	What should be done to keep the rotor voltage to an acceptable level?(a) rotor to stator turns must be properly adjusted(b) stator to rotor turns must be properly adjusted(c) stator turns must be adjusted(d) rotor turns must be adjustedI got this question in examination.This intriguing question comes from Design of Wound Rotor in division Three Phase Induction Motor of Design of Electrical Machines
Answer» CORRECT answer is (b) stator to rotor turns must be PROPERLY adjusted For explanation: The effective ratio of stator to rotor turns should be adjusted to KEEP the rotor voltage to an ACCEPTABLE level. The choice of this turns ratio is arbitrary and is controllable by the designer.

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