Solve it Pleasee Internal generated voltage E₁, VIn a DC motor,P_rated = 30hpI_L rated = 110AV_T = 240Vn_rated = 1800rpmN_F= 2700 turns per pole300N_SE= 14 turns per poleR_A = 0.19 ohmR_F = 75 ohmR_s = 0.02 ohmR_adj = 100-400 ohmRotational losses = 3550WMagnetization curve is given below:280260240220>200180160140120100806040D20OOAssume that the motor described above can be connected in shunt. The equivalent circuit of the shunt motor is shownbelow.(A) 120000 0.1 0.2 0.3 04 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2Shunt field current, AB 1195C 1205Magnetization curveEA1190Speed 1800 r/minRAIf the resistor R_adj = 175 ohm, what is the rotational speed of the motor at no-load conditions?If the resistor R_adj = 175 ohm, what is the rotational speed of the motor at no-load conditions?0.19 2IF Į0RE750RadiVr=240 V

Terminal voltage of motor, VT= 240 V rated speed = nrated =1800 rpm Field resistance, Rf=75 Ω , at…

Answered: If the resistor R_adj = 175 ohm, what…

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If the resistor R_adj = 175 ohm, what is the rotational speed of the motor at no-load conditions?

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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Question

Solve it Pleasee

Internal generated voltage E₁, V
In a DC motor,
P_rated = 30hp
I_L rated = 110A
V_T = 240V
n_rated = 1800rpm
N_F= 2700 turns per pole
300
N_SE= 14 turns per pole
R_A = 0.19 ohm
R_F = 75 ohm
R_s = 0.02 ohm
R_adj = 100-400 ohm
Rotational losses = 3550W
Magnetization curve is given below:
280
260
240
220
>200
180
160
140
120
100
80
60
40
D
20
OO
Assume that the motor described above can be connected in shunt. The equivalent circuit of the shunt motor is shown
below.
(A) 1200
0
0 0.1 0.2 0.3 04 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2
Shunt field current, A
B 1195
C 1205
Magnetization curve
EA
1190
Speed 1800 r/min
RA
If the resistor R_adj = 175 ohm, what is the rotational speed of the motor at no-load conditions?
If the resistor R_adj = 175 ohm, what is the rotational speed of the motor at no-load conditions?
0.19 2
IF Į
0
RE
750
Radi
Vr=240 V

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