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In reference to the power system reactance diagram, all values are given in pu. Determine the followings:
Table 1: Impedances and line charging (in p.u.) for the system shown in Fig.
Bus code p-q
Impedance zpq
Shunt admittance ypq/2
1-12
0.02+j0.16
j0.03
1-4
0.015+j0.12
j0.024
1-3
0.015+j0.13
1-2
0.03+j0.25
j0.031
12-11
0.025+j0.20
j0.021
12-5
0.016+j0.09
j0.015
12-4
0.016+j0.10
2-8
0.06+j0.60
j0.04
3-8
0.03+j0.28
3-4
0.018+j0.16
4-5
0.014+j0.1
4-9
0.008+j0.065
j0.012
9-8
0.045+j0.40
j0.038
9-7
0.02+j0.18
j0.025
9-6
0.04+j0.38
j0.036
9-10
0.035+j0.32
j0.034
8-7
j0.042
7-6
6-10
j0.020
Table 2: Bus data for the system shown in Fig. 1
Bus code
Vinitial
Pg
Qg
Pl
Ql
1(slack)
1.0+j0
0
2
0.66
0.26
3
0.50
0.15
4
0.54
0.16
5
0.42
0.18
6
0.64
0.28
7
0.
0.60
8
0.68
0.06
9
1.02+j0
0.84
0.24
0.09
10
1.01+j0
0.97
0.20
0.05
11
0.85
12
1.03+j0
0.72
0.12
0.03
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