d) The voltages across each impedance of the load: VAN, VBN, and VCN. e) The power delivered to the load and the power lost in the line. f) The reactive power associated to the line and to each phase of the load. Van Vab= 25V2 20° kV Ven Von ^^ A Vca 25√2 2120⁰ kV a b Vbc= 25V2 Z-120⁰ kV " 8 IaA IbB Icc 60 22 +j45 Ω W 0000 60 Ω +/45 2 W 0000 60 Ω +/45 02 W 0000 1 BN + VE BN ZY Zy AN Zy ICN Zy = 0.6kΩ + j1.2 ΚΩ Vo CN + AN

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Answer d,e,f
Van
Problem 4
A balanced wye-connected three-phase source has line-to-line of 25 kVrms and it is applied to a
wye-connected load, each arm of which consists of a 0.6 k resistance in series with a +j 1.2 kn as
show in the figure below. Find:
a) The voltages Van, Vbn, and Vcn.
b) The magnitude and the phase angle of each line current: IaA, IbB, and Icc.
c) The magnitude and the phase angle associated with each phase current of the load: IAN, IBN,
and ICN.
d) The voltages across each impedance of the load: VAN, VBN, and VCN.
e) The power delivered to the load and the power lost in the line.
f) The reactive power associated to the line and to each phase of the load.
Vab= 25√2 20° kV
O
Ven
Von
Vhc25V2 Z-120⁰ kV
Vca 25√2 2120° kV
"
1aA
IbB
Lec
60 Ω
M
+j45 02
0000
60 Ω
+j45 Ω
W 0000
60 Ω
+j45 Ω
W 0000
C
IBN
+
V BN
ZY
Zy
1CN
Zy
VCN
+
VAN
Zy = 0,6 kΩ + j 1.2 ΚΩ
AN
Transcribed Image Text:Van Problem 4 A balanced wye-connected three-phase source has line-to-line of 25 kVrms and it is applied to a wye-connected load, each arm of which consists of a 0.6 k resistance in series with a +j 1.2 kn as show in the figure below. Find: a) The voltages Van, Vbn, and Vcn. b) The magnitude and the phase angle of each line current: IaA, IbB, and Icc. c) The magnitude and the phase angle associated with each phase current of the load: IAN, IBN, and ICN. d) The voltages across each impedance of the load: VAN, VBN, and VCN. e) The power delivered to the load and the power lost in the line. f) The reactive power associated to the line and to each phase of the load. Vab= 25√2 20° kV O Ven Von Vhc25V2 Z-120⁰ kV Vca 25√2 2120° kV " 1aA IbB Lec 60 Ω M +j45 02 0000 60 Ω +j45 Ω W 0000 60 Ω +j45 Ω W 0000 C IBN + V BN ZY Zy 1CN Zy VCN + VAN Zy = 0,6 kΩ + j 1.2 ΚΩ AN
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