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On full load, a 300 V series motor takes 90A and runs at 15 rev/s. The armature resistance is 0.1 ohm, and the series winding resistance is 50 mohm. Determine the speed when developing full load torque but with a 0.2-ohm diverter parallel to the field winding. (Assume that the flux is proportional to the field current.

On full load, a 300 V series motor takes 90A and runs at 15 rev/s. The armature resistance is 0.1 ohm, and the series winding resistance is 50 mohm. Determine the speed when developing full load torque but with a 0.2-ohm diverter parallel to the field winding. (Assume that the flux is proportional to the field current.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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On full load, a 300 V series motor takes 90A and runs at 15 rev/s. The armature resistance is 0.1 ohm, and the series winding resistance is 50 mohm. Determine the speed when developing full load torque but with a 0.2-0hm diverter parallel to the field winding. (Assume that the flux is proportional to the field current.
Transcribed Image Text:On full load, a 300 V series motor takes 90A and runs at 15 rev/s. The armature resistance is 0.1 ohm, and the series winding resistance is 50 mohm. Determine the speed when developing full load torque but with a 0.2-0hm diverter parallel to the field winding. (Assume that the flux is proportional to the field current.
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