(480 V DC shunt motor has a starting current I 126 A from the source. Total resistance value of shunt field circuit is Rsh-80 2. Line current value under full load conditions is 1₁-21 A. Find the E₁ (reverse EMF) value under full load conditions. A serial connected R resistance is located between the power source and the input terminals of the motor to limit the starting current to 42A. Find the value of this resistance R. wa chan able and w EA = R=

(480 V DC shunt motor has a starting current I 126 A from the source. Total resistance value of shunt field circuit is Rsh-80 2. Line current value under full load conditions is 1₁-21 A. Find the E₁ (reverse EMF) value under full load conditions. A serial connected R resistance is located between the power source and the input terminals of the motor to limit the starting current to 42A. Find the value of this resistance R. wa chan able and w EA = R=

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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