2. A 50-kW, 440-V, 50-Hz, six-pole induction motor has a slip of 6 percent when operating at full-load conditions. At full-load conditions, the friction and windage losses are 300 W, and the core losses are 600 W. Find the following values for full-load conditions: (a) The shaft speed nm (940 r/min) (b) The output power in watts (50 kW) (c) The load torque Tad in newton-meters (508 Nm) (d) The induced torque Tuna in newton-meters (517 Nm) (e) The rotor frequency in hertz. (3.00 Hz)

2. A 50-kW, 440-V, 50-Hz, six-pole induction motor has a slip of 6 percent when operating at full-load conditions. At full-load conditions, the friction and windage losses are 300 W, and the core losses are 600 W. Find the following values for full-load conditions: (a) The shaft speed nm (940 r/min) (b) The output power in watts (50 kW) (c) The load torque Tad in newton-meters (508 Nm) (d) The induced torque Tuna in newton-meters (517 Nm) (e) The rotor frequency in hertz. (3.00 Hz)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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