Q. A 3-phase, 240 V, 4 pole, 50 Hz, Y- connected induction motor with operating slip of 4% has the following equivalent circuit parameters referred to stator side in O/ph : (R1= 1, X1=3, Xm=50, R2=1, X2=2). The total impedance of the motor exact

Q. A 3-phase, 240 V, 4 pole, 50 Hz, Y- connected induction motor with operating slip of 4% has the following equivalent circuit parameters referred to stator side in O/ph : (R1= 1, X1=3, Xm=50, R2=1, X2=2). The total impedance of the motor exact

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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Concept explainers

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.

Question

Rotor current is about ................. A *

Input current is ............. A *

Speed at maximum torque is ............. r.p.m. *

Starting torque is .................... N.m *

Q. A 3-phase, 240 V, 4 pole, 50 Hz, Y-
connected induction motor with operating
slip of 4% has the following equivalent
circuit parameters referred to stator side in
O/ph : (R1= 1, X1=3, Xm=50, R2=1, X2=2). The
total impedance of the motor exact

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