IR 12020° V - Fuse Iw 1202120° V 40 2 40 2 ww- j30 2 ee 30 2 j30 2 40 2 1202-120° V o Ig 7.76 A three-phase motor is modeled by the wye-connected circult shown in Figure P7.76. At t = t1, a line fuse is blown (modeled by the switch). Find the line currents Ig, Iw, and Ig and the power dissipated by the motor in the following conditions: a. t<4 b. t>4

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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IR
12020° V -
Fuse
Iw
1202120° V
40 2
40 2
ww-
j30 2
ee
30 2
j30 2
40 2
1202-120° V o
Ig
Transcribed Image Text:IR 12020° V - Fuse Iw 1202120° V 40 2 40 2 ww- j30 2 ee 30 2 j30 2 40 2 1202-120° V o Ig
7.76 A three-phase motor is modeled by the
wye-connected circult shown in Figure P7.76. At
t = t1, a line fuse is blown (modeled by the switch).
Find the line currents Ig, Iw, and Ig and the power
dissipated by the motor in the following conditions:
a. t<4
b. t>4
Transcribed Image Text:7.76 A three-phase motor is modeled by the wye-connected circult shown in Figure P7.76. At t = t1, a line fuse is blown (modeled by the switch). Find the line currents Ig, Iw, and Ig and the power dissipated by the motor in the following conditions: a. t<4 b. t>4
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