Consider a separately-excited DC motor with an armature resistance R₁-0.25 52 and terminal voltage V₁- 150 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) 0.0 0 RPM Answer: The speed of rotation is: 0.1 30 0.2 60 0.4 0.5 102 115 These values were taken at speed n=1800 RPM 0.3 85 0.6 124 If the motor is driving a load at rated armature current IA 46 A, with Radi+RF-90 52. Find the speed of rotation of the motor in RPM. 0.7 130 0.8 134
Consider a separately-excited DC motor with an armature resistance R₁-0.25 52 and terminal voltage V₁- 150 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) 0.0 0 RPM Answer: The speed of rotation is: 0.1 30 0.2 60 0.4 0.5 102 115 These values were taken at speed n=1800 RPM 0.3 85 0.6 124 If the motor is driving a load at rated armature current IA 46 A, with Radi+RF-90 52. Find the speed of rotation of the motor in RPM. 0.7 130 0.8 134
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Consider a separately-excited DC motor with an armature resistance RA= 0.25 £2 and terminal voltage VT=
150 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)
Answer:
0.0
0
RPM
The speed of rotation is:
0.1
30
0.2
60
0.4
0.5
102
115
These values were taken at speed n=1800 RPM
0.3
85
If the motor is driving a load at rated armature current LA = 46 A, with Radi+RF = 90 22.
Find the speed of rotation of the motor in RPM.
0.6
0.7
124 130
0.8
134
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