2. A 30 induction motor has a starting torque of 1.75 pu and a maximum torque of 2.5 pu when operated from rated voltage and frequency. The full-load torque is considered as I pu of torque. Neglect stator resistance. (a) Determine the slip at maximum torque. (b) Determine the slip at full-load torque. (c) Determine the rotor current at starting in per unit - consider the full-load rotor current as 1 pu. (d) Determine the rotor current at maximum torque in per unit of full- load rotor current.
2. A 30 induction motor has a starting torque of 1.75 pu and a maximum torque of 2.5 pu when operated from rated voltage and frequency. The full-load torque is considered as I pu of torque. Neglect stator resistance. (a) Determine the slip at maximum torque. (b) Determine the slip at full-load torque. (c) Determine the rotor current at starting in per unit - consider the full-load rotor current as 1 pu. (d) Determine the rotor current at maximum torque in per unit of full- load rotor current.
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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2. A 30 induction motor has a starting torque of 1.75 pu and a maximum
torque of 2.5 pu when operated from rated voltage and frequency. The
full-load torque is considered as 1 pu of torque. Neglect stator resistance.
(a) Determine the slip at maximum torque.
(b) Determine the slip at full-load torque.
(c) Determine the rotor current at starting in per unit - consider the
full-load rotor current as 1 pu.
(d) Determine the rotor current at maximum torque in per unit of full-
load rotor current.
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