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°. Thecorresponding voltage is considering to be the base voltage Vs. The parameters of themotor are given as; Rs = 0.4 0, R= 0.2 0, Xs = X; = 0.85 0, X, = 0.75 0 and Xm = 24O where all the quantities are referred to the stator. Stator voltage control is appliedto the drive, which has a load torque that obeys the equation Tigs? = 0.12. Evaluatethe followings;i. the motor slip (hint: Wm can be assume equal to ws),ii.air gap power,

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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,

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

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