A shunt DC motor rated at 240 V, 1500 RPM, 100 Amperes armature current. The amature resistance of the motor is RA =0.2 ohm and the field resistance R, =160 ohm.The adjustable resistance in the field circuit R adj is currently set to 300 ohm. Armature reaction may be ignored in this machine. A shunt DC motor rated at 240 V, 1500 RPM, 100 Amperes armature current. The amatureresistance of the motor is RA =0.2N and the field resistance R, =160 2.The adjustableresistance in the field circuit Radi is currently set to 300 2.Armature reaction may be ignored in this machine.The magnetization curve for this motor taken at a speed of 1500RPM is given in tabular form below:| If,AEA.V0.10.250.520.81.01.21.51.752.001050110160235260275290295300If the motor is operating at its rated conditions: What is the shaft speed of this motor?Select one:a. Speed n=1500 RPMO b. Speed n = 2063 RPMO c. Speed n = 1091 RPMO d. None

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Answered: A shunt DC motor rated at 240 V, 1500…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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A shunt DC motor rated at 240 V, 1500 RPM, 100 Amperes armature current. The amature resistance of the motor is RA =0.2 ohm and the field resistance R, =160 ohm.The adjustable resistance in the field circuit R adj is currently set to 300 ohm. Armature reaction may be ignored in this machine.

A shunt DC motor rated at 240 V, 1500 RPM, 100 Amperes armature current. The amature
resistance of the motor is RA =0.2N and the field resistance R, =160 2.The adjustable
resistance in the field circuit Radi is currently set to 300 2.
Armature reaction may be ignored in this machine.
The magnetization curve for this motor taken at a speed of 1500RPM is given in tabular form below:
| If,A
EA.V
0.1
0.25
0.52
0.8
1.0
1.2
1.5
1.75
2.00
10
50
110
160
235
260
275
290
295
300
If the motor is operating at its rated conditions: What is the shaft speed of this motor?
Select one:
a. Speed n=1500 RPM
O b. Speed n = 2063 RPM
O c. Speed n = 1091 RPM
O d. None

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