a. A three-phase, 50 Hz, four-pole star-connected induction motor is supplied by a three- phase AC voltage controller with an input voltage of 440 VL-t and a = 60°. The corresponding voltage is considering to be the base voltage Vs. The parameters of the motor are given as; Rs = 0.4 0, R, = 0.20, Xs = X, = 0.85 Q, X, = 0.75 Q and Xm = 24 O where all the quantities are referred to the stator. Stator voltage control is applied to the drive, which has a load torque that obeys the equation Tiss? = 0.12. Evaluate the followings; i. the motor slip (hint: Wm can be assume equal to ws), i. air gap power,
a. A three-phase, 50 Hz, four-pole star-connected induction motor is supplied by a three- phase AC voltage controller with an input voltage of 440 VL-t and a = 60°. The corresponding voltage is considering to be the base voltage Vs. The parameters of the motor are given as; Rs = 0.4 0, R, = 0.20, Xs = X, = 0.85 Q, X, = 0.75 Q and Xm = 24 O where all the quantities are referred to the stator. Stator voltage control is applied to the drive, which has a load torque that obeys the equation Tiss? = 0.12. Evaluate the followings; i. the motor slip (hint: Wm can be assume equal to ws), i. air gap power,
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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Transcribed Image Text:a. A three-phase, 50 Hz, four-pole star-connected induction motor is supplied by a three-
phase AC voltage controller with an input voltage of 440 VL-t and a = 60°. The
corresponding voltage is considering to be the base voltage Vs. The parameters of the
motor are given as; Rs = 0.4 0, R= 0.2 0, Xs = X; = 0.85 0, X, = 0.75 0 and Xm = 24
O where all the quantities are referred to the stator. Stator voltage control is applied
to the drive, which has a load torque that obeys the equation Tigs? = 0.12. Evaluate
the followings;
i. the motor slip (hint: Wm can be assume equal to ws),
ii.
air gap power,
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