Exercise 6.14 O • A 120-V series motor runs at 2000 rpm at full load and takes a current of 12 A. The armature-winding resistance is 0.3 2 and the series field resistance is 0.2 . A diverter resistance of 0.2 N is connected across the series field, and the load on the motor is adjusted. If the motor now takes 20 A, what is the new speed of the motor (2358 rpm)? Determine the torque developed in each case (6.532 Nm, 9.07 Nm).
Exercise 6.14 O • A 120-V series motor runs at 2000 rpm at full load and takes a current of 12 A. The armature-winding resistance is 0.3 2 and the series field resistance is 0.2 . A diverter resistance of 0.2 N is connected across the series field, and the load on the motor is adjusted. If the motor now takes 20 A, what is the new speed of the motor (2358 rpm)? Determine the torque developed in each case (6.532 Nm, 9.07 Nm).
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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