Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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How do you solve this? Aren't you supposed to divide all impedances by three? Also, how do I know if I'm supposed to convert to wye or not?

For the three-phase circuit shown find the following:
(a) Find IA, IAB, and IA2 and Vân using the per-phase circuit
(b) Find VAB, VCB in the three-phase circuit.
(c) Find the total load power factor
240/0° V
a
402 30
ww
Α 10Ω 15 Ω
ww-m
I
IAB
-13602
I
42
-13602
240/-120° V
b
402 30
10Ω 15 Ω
B
ww-m
wwwm
240/120° VC
-13602
401302
ww-m
10 Ω 15 Ω
C
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Transcribed Image Text:For the three-phase circuit shown find the following: (a) Find IA, IAB, and IA2 and Vân using the per-phase circuit (b) Find VAB, VCB in the three-phase circuit. (c) Find the total load power factor 240/0° V a 402 30 ww Α 10Ω 15 Ω ww-m I IAB -13602 I 42 -13602 240/-120° V b 402 30 10Ω 15 Ω B ww-m wwwm 240/120° VC -13602 401302 ww-m 10 Ω 15 Ω C
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