Consider a separately-excited DC motor with an armature resistance RA= 0.25 N 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. IF (A) EA (V) 0.3 85 These values were taken at speed n=1800RPM 0.0 0.1 0.2 0.4 0.5 0.6 0.7 0.8 30 60 102 115 124 130 134 If the motor is driving a load at rated armature current Ia = 46 A, with Radj + Rf=1202. Find the speed of rotation of the motor in RPM. Select one: O a. None O b. Speed n = 1410 RPM O c. Speed n = 1800 RPM O d. Speed n = 2298 RPM Consider a separately-excited DC motor with an armature resistance RA= 0.25 Nand terminal voltage VT =120 V. The motor rated speed is 1800 RPM. The field winding supply VF= 36 V and the field resistance isadjustable. The motor has compensating windings and interpoles.IF (A)EA (V)0.00.10.20.30.40.50.60.70.8306085102115124130134These values were taken at speed n=1800RPMIf the motor is driving a load at rated armature current IA = 46 A, with Radi +RF =1202.Find the speed of rotation of the motor in RPM.Select one:O a. NoneO b. Speed n 1410 RPMO c. Speed n = 1800 RPMO d. Speed n = 2298 RPM

In this question we need to find a speed of motor.

Answered: Consider a separately-excited DC motor…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Consider a separately-excited DC motor with an armature resistance RA= 0.25 N 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. IF (A) EA (V) 0.3 85 These values were taken at speed n=1800RPM 0.0 0.1 0.2 0.4 0.5 0.6 0.7 0.8 30 60 102 115 124 130 134 If the motor is driving a load at rated armature current Ia = 46 A, with Radj + Rf=1202. Find the speed of rotation of the motor in RPM. Select one: O a. None O b. Speed n = 1410 RPM O c. Speed n = 1800 RPM O d. Speed n = 2298 RPM

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