8 If we model each winding of a three-phase motor like the circuit shown in Figure P7.68(a) and connect the windings as shown in Figure P7.68(b), we have the three-phase circuit shown in Figure P7.68 (c). The motor can be constructed so that R1 =R2 = R3 and L1 = L2 = L3, as is the usual case. If we connect the motor as shown in Figure P7.68(c), find the currents ÎR, İw, İg, and În, assuming that the resistances are 40 2 each and each inductance is 5 mH. The frequency of each of the sources is 60 Hz. R1 R3 R2 1st winding 2nd winding 3rd winding L3 (a) R2 L2 4162-30° L1 eéé-ww 4162 210° 416290° ww ll ll ০ ww
8 If we model each winding of a three-phase motor like the circuit shown in Figure P7.68(a) and connect the windings as shown in Figure P7.68(b), we have the three-phase circuit shown in Figure P7.68 (c). The motor can be constructed so that R1 =R2 = R3 and L1 = L2 = L3, as is the usual case. If we connect the motor as shown in Figure P7.68(c), find the currents ÎR, İw, İg, and În, assuming that the resistances are 40 2 each and each inductance is 5 mH. The frequency of each of the sources is 60 Hz. R1 R3 R2 1st winding 2nd winding 3rd winding L3 (a) R2 L2 4162-30° L1 eéé-ww 4162 210° 416290° ww ll ll ০ ww
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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Transcribed Image Text:8 If we model each winding of a three-phase motor
like the circuit shown in Figure P7.68(a) and connect
the windings as shown in Figure P7.68(b), we have the
three-phase circuit shown in Figure P7.68 (c). The
motor can be constructed so that R1 =R2 = R3 and
L1 = L2 = L3, as is the usual case. If we connect the
motor as shown in Figure P7.68(c), find the currents
ÎR, İw, İg, and În, assuming that the resistances are
40 2 each and each inductance is 5 mH. The frequency
of each of the sources is 60 Hz.
Transcribed Image Text:R1
R3
R2
1st winding
2nd winding
3rd winding
L3
(a)
R2
L2
4162-30°
L1
eéé-ww
4162 210°
416290°
ww
ll
ll
০
ww
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