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a) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 0 j0.22 Q j0.22 0 0.05 0 j6.28 Q E E1 b) A 4 poles , 50HZ ,Y-connected three phase induction motor has the per phase equivalent circuit parameters of ( R3= R2= 0.12 , X1 = X2 = 0.6 , Xm =12 ) n and l2 = 20L0°. Use exact equivalent circuit to determine the following at rated slip of 0.03: 1. Stator current II. Magnetizing current II. IV. Developed torque Power factor c) What is the physical meaning for each of the following induction motor parameters: R1 ,R2 ,Rc ,X1 ,X2 ,Xm ?

a) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 0 j0.22 Q j0.22 0 0.05 0 j6.28 Q E E1 b) A 4 poles , 50HZ ,Y-connected three phase induction motor has the per phase equivalent circuit parameters of ( R3= R2= 0.12 , X1 = X2 = 0.6 , Xm =12 ) n and l2 = 20L0°. Use exact equivalent circuit to determine the following at rated slip of 0.03: 1. Stator current II. Magnetizing current II. IV. Developed torque Power factor c) What is the physical meaning for each of the following induction motor parameters: R1 ,R2 ,Rc ,X1 ,X2 ,Xm ?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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a) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 O j0.22 Q jo.22 0 j6.28 N E E1 0.05 0 V b) A 4 poles , 50HZ ,Y-connected three phase induction motor has the per phase equivalent circuit parameters of ( R3= R2= 0.12 , X1 = X2 = 0.6 , Xm =12 ) N and l2 = 20L0". Use exact equivalent circuit to determine the following at rated slip of 0.03 : I. Stator current II. Magnetizing current II. Power factor IV. Developed torque c) What is the physical meaning for each of the following induction motor parameters: R1 ,R2 ,Rc ,X1 ,X2 ,Xm ?
Transcribed Image Text:a) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 O j0.22 Q jo.22 0 j6.28 N E E1 0.05 0 V b) A 4 poles , 50HZ ,Y-connected three phase induction motor has the per phase equivalent circuit parameters of ( R3= R2= 0.12 , X1 = X2 = 0.6 , Xm =12 ) N and l2 = 20L0". Use exact equivalent circuit to determine the following at rated slip of 0.03 : I. Stator current II. Magnetizing current II. Power factor IV. Developed torque c) What is the physical meaning for each of the following induction motor parameters: R1 ,R2 ,Rc ,X1 ,X2 ,Xm ?
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