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A 100-hp, 500-V, 1000-rpm de series motor controls a load requiring a torque of T = 185 Nm at 900 rpm. The field circuit resistance is R; = 0.06 2, the armature circuit resistance is Ra = 0.02 2, and the voltage constant is Ky = 32 mV/A rad/s. The viscous friction and the no-load losses are negligible. The armature current is continuous and ripple free. b) Determine: i. the back emf Eg, ii. the required armature voltage Va,

A 100-hp, 500-V, 1000-rpm de series motor controls a load requiring a torque of T = 185 Nm at 900 rpm. The field circuit resistance is R; = 0.06 2, the armature circuit resistance is Ra = 0.02 2, and the voltage constant is Ky = 32 mV/A rad/s. The viscous friction and the no-load losses are negligible. The armature current is continuous and ripple free. b) Determine: i. the back emf Eg, ii. the required armature voltage Va,

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A 100-hp, 500-V, 1000-rpm de series motor controls a load requiring a torque of TL = 185 Nm at 900 rpm. The field circuit resistance is R; = 0.06 2, the armature circuit resistance is Ra = 0.02 2, and the voltage constant is Ky = 32 mV/A rad/s. The viscous friction and the no-load losses are negligible. The armature current is continuous and ripple free. b) Determine: i. the back emf Eg, ii. the required armature voltage Va,
Transcribed Image Text:A 100-hp, 500-V, 1000-rpm de series motor controls a load requiring a torque of TL = 185 Nm at 900 rpm. The field circuit resistance is R; = 0.06 2, the armature circuit resistance is Ra = 0.02 2, and the voltage constant is Ky = 32 mV/A rad/s. The viscous friction and the no-load losses are negligible. The armature current is continuous and ripple free. b) Determine: i. the back emf Eg, ii. the required armature voltage Va,
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