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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

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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-30.74 2 Rotational losses are 2450W. The motor drives a mechanical load at a speed of 1170 rpm. Find: i. ii. iii. iv. Thevenin circuit parameters and Thevenin voltage Pullout slip Pullout Torque Start Torque
Transcribed Image Text: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-30.74 2 Rotational losses are 2450W. The motor drives a mechanical load at a speed of 1170 rpm. Find: i. ii. iii. iv. Thevenin circuit parameters and Thevenin voltage Pullout slip Pullout Torque Start Torque
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