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3 0. an induction motor with 460V, 18.65 kW, 60HZ, 4-pole, + coupled rotor winding, has the following impedance in ohms per phase reduced to the stator circuit. R1= 0.6412 R2' = 0.332 2 X1= 1,106 2 x20" 0.4642 XM= 26.3? (solute using Tevenin's theorem) a) what is the maximum moment of this motor Pmax? b) at what speed is the maximum moment nmax and Smax occurs when sliding

3 0. an induction motor with 460V, 18.65 kW, 60HZ, 4-pole, + coupled rotor winding, has the following impedance in ohms per phase reduced to the stator circuit. R1= 0.6412 R2' = 0.332 2 X1= 1,106 2 x20" 0.4642 XM= 26.3? (solute using Tevenin's theorem) a) what is the maximum moment of this motor Pmax? b) at what speed is the maximum moment nmax and Smax occurs when sliding

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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3 P: ?: an induction motor with 460V, 18.65 kW, 60HZ, 4-pole, + coupled rotor winding, has the following impedance in ohms per phase reduced to the stator circuit. R1= 0.6412 R2' = 0.332 2 x1= 1,106 2 x20" 0.4642 XM= 26.32 (şolute using Tevenin's theorem) a) what is the maximum moment of this motor Pmax? b) at what speed is the maximum moment nmax and Smax occurs when sliding c) What is the take-off moment Tst of this engine? d) if the rotor resistance is tripled, what is the smax value in this case? mw m e) What is the new TST moment of departure of the engine? wwww
Transcribed Image Text:3 P: ?: an induction motor with 460V, 18.65 kW, 60HZ, 4-pole, + coupled rotor winding, has the following impedance in ohms per phase reduced to the stator circuit. R1= 0.6412 R2' = 0.332 2 x1= 1,106 2 x20" 0.4642 XM= 26.32 (şolute using Tevenin's theorem) a) what is the maximum moment of this motor Pmax? b) at what speed is the maximum moment nmax and Smax occurs when sliding c) What is the take-off moment Tst of this engine? d) if the rotor resistance is tripled, what is the smax value in this case? mw m e) What is the new TST moment of departure of the engine? wwww
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