Consider a separately-excited DC motor with an armature resistance RA= 0.25 Q and terminal voltage VT = 120 V. The motor rated speed is 1800 RPM. The field winding supply VF= 36 V and the field resistance is adjustable. The motor has compensating windings and interpoles. 0.4 IF (A) EA(V) 0.0 0.1 0.2 0.3 0.5 0.6 0.7 0.8 30 60 85 102 115 124 130 134 These values were taken at speed n=1800RPM If the motor is driving a load at rated armature current IA = 46 A, with Radi+ RF =60 2. Find the speed of rotation of the motor in RPM. Select one: O a. Speed n = 1800 RPM O b. Speed n = 1575 RPM O c. None O d. Speed n = 2057 RPM

Consider a separately-excited DC motor with an armature resistance RA= 0.25 Q and terminal voltage VT = 120 V. The motor rated speed is 1800 RPM. The field winding supply VF= 36 V and the field resistance is adjustable. The motor has compensating windings and interpoles. 0.4 IF (A) EA(V) 0.0 0.1 0.2 0.3 0.5 0.6 0.7 0.8 30 60 85 102 115 124 130 134 These values were taken at speed n=1800RPM If the motor is driving a load at rated armature current IA = 46 A, with Radi+ RF =60 2. Find the speed of rotation of the motor in RPM. Select one: O a. Speed n = 1800 RPM O b. Speed n = 1575 RPM O c. None O d. Speed n = 2057 RPM

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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