Develop a starting torque equal to the full- load torque

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Reference no: EM131265407

A 30 kW, 440 V squirrel-cage induction motor has a starting torque of 182 Nm and a full-load torque of 135 Nm. The starting current of the motor is 207 A when rated voltage is applied.
Determine:

(a) the starting torque when the line voltage is reduced to 254 V.

(b) the voltage that must be applied for the motor to develop a starting torque equal to the full- load torque.

(d) the starting voltage to limit the starting current to 40 A, and the corresponding starting torque.

Reference no: EM131265407

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