A DC motor has an equivalent circuit shown below. The motor is driving a load, and it draws an armature current of 51.4A while running at a speed of 1700 rpm. The total rotational losses under this condition are 380 W. The input power to this motor in kW is RA-0.20
A DC motor has an equivalent circuit shown below. The motor is driving a load, and it draws an armature current of 51.4A while running at a speed of 1700 rpm. The total rotational losses under this condition are 380 W. The input power to this motor in kW is RA-0.20
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:A DC motor has an equivalent circuit shown below. The motor is driving a load, and it draws an armature
current of 514A while running at a speed of 1700 rpm. The total rotational losses under this condition are
380 W. The input power to this motor in kW is
RA-0.20
N.-1700 rpm
Rad
Re-1250
V-230 V
R
OA 12.25
B. 11.82
9C.12245.20
D.1224.52
Clear my choice
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