(a) A 3 phase 4-pole induction motor is supplied from 3 phase 50Hz ac supply used as conveyor motor in manufacturing production line and drawing a 100kW from the 3 phase supply. If given the copper losses and iron losses in the stator is 10kW and friction losses are 5 kW. Find: The synchronous speed. The rotor speed when slip is 5%. The active power to the rotor. The rotor copper losses. Mechanical power developed. Mechanical powers deliver to the load, (Pout) The mechanical torque developed. The motor efficiency.

(a) A 3 phase 4-pole induction motor is supplied from 3 phase 50Hz ac supply used as conveyor motor in manufacturing production line and drawing a 100kW from the 3 phase supply. If given the copper losses and iron losses in the stator is 10kW and friction losses are 5 kW. Find: The synchronous speed. The rotor speed when slip is 5%. The active power to the rotor. The rotor copper losses. Mechanical power developed. Mechanical powers deliver to the load, (Pout) The mechanical torque developed. The motor efficiency.

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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