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The value of the current density is chosen for the end rings such that the desired value of rotor resistance is obtained.

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in Design of Electrical Machines by (687k points)
The value of the current density is chosen for the end rings such that the desired value of rotor resistance is obtained.

(a) true

(b) false

The question was posed to me at a job interview.

This intriguing question comes from Design of End Rings in portion Three Phase Induction Motor of Design of Electrical Machines

1 Answer

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The correct choice is (a) true

Explanation: The value of current density is chosen for the end rings should be chosen such that the desired value of the rotor resistance is obtained. If not it can lead to the starting problems in the machine.

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