A 480V, 60 Hz, 6-pole, three-phase, delta-connected induction motor has the following parameters: R₁=0.461 2, R₂=0.258 Q, X₁-0.507 9, X₂=0.309 Q, X-30.749 Rotational losses are 2450W. The motor drives a mechanical load at a speed of 1170 rpm. Find: i. Thevenin circuit parameters and Thevenin voltage ii. Pullout slip iii. Pullout Torque iv. Start Torque
A 480V, 60 Hz, 6-pole, three-phase, delta-connected induction motor has the following parameters: R₁=0.461 2, R₂=0.258 Q, X₁-0.507 9, X₂=0.309 Q, X-30.749 Rotational losses are 2450W. The motor drives a mechanical load at a speed of 1170 rpm. Find: i. Thevenin circuit parameters and Thevenin voltage ii. Pullout slip iii. Pullout Torque iv. Start Torque
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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