A three-phase, 460-V, 50-Hz, four-pole Y-connected induction motor has the following parameters: Rs = 1.01 2, R'r 0.69 2, Xs = 1.3 2, X'r 1.94 2, and Xm 40 2.The no-load loss, Pnoload =60 watt .The load torque, which is proportional to the speed squared, is 41 N. m at 1450 rpm. The motor operate with stator voltage control. If the motor speed is 1200 rpm, determine (a) the load torque TL, (b) the rotor current Ir. (c) the stator supply voltage Va, (d) the motor input current li, (e) the motor input power Pi, (f) the slip for maximum current Sa, (g) the maximum rotor current Ir(max), (h) the speed at maximum rotor current o, and (i) the torque at the maximum current Ta.
A three-phase, 460-V, 50-Hz, four-pole Y-connected induction motor has the following parameters: Rs = 1.01 2, R'r 0.69 2, Xs = 1.3 2, X'r 1.94 2, and Xm 40 2.The no-load loss, Pnoload =60 watt .The load torque, which is proportional to the speed squared, is 41 N. m at 1450 rpm. The motor operate with stator voltage control. If the motor speed is 1200 rpm, determine (a) the load torque TL, (b) the rotor current Ir. (c) the stator supply voltage Va, (d) the motor input current li, (e) the motor input power Pi, (f) the slip for maximum current Sa, (g) the maximum rotor current Ir(max), (h) the speed at maximum rotor current o, and (i) the torque at the maximum current Ta.
Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:A three-phase, 460-V, 50-Hz, four-pole Y-connected induction
motor has the following parameters: Rs = 1.01 Q, R'r = 0.69 2,
Xs = 1.3 Q, X' r = 1.94 Q, and Xm = 40 2.The no-load loss,
Paoload. =60 watt .The load torque, which is proportional to the
speed squared, is 41 N. m at 1450 rpm. The motor operate with
stator voltage control. If the motor speed is 1200 rpm, determine
(a) the load torque TL, (b) the rotor current Ir. (c) the stator supply
voltage Va, (d) the motor input current li, (e) the motor input
power Pi , (f) the slip for maximum current Sa, (g) the maximum
rotor current Ir(max), (h) the speed at maximum rotor current @a,
and (i) the torque at the maximum current Ta.
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