Research Article

Trust-Region Method for Load Flow Solution of Three-Phase Unbalanced Electric Power Distribution System

Table 2

Line impedance of 19-bus network.

No.LineSelf-impedance (ohm)Mutual impedance (ohm)

11–23.0 × (1.56090 + j0.67155)3.0 × (0.52030 + j0.22385)
22–35.0 × (1.56090 + j0.67155)5.0 × (0.52030 + j0.22385)
32–41.5 × (1.56090 + j0.67155)1.5 × (0.52030 + j0.22385)
44–51.5 × (1.56090 + j0.67155)1.5 × (0.52030 + j0.22385)
54–61.0 × (1.56090 + j0.67155)1.0 × (0.52030 + j0.22385)
66–72.0 × (1.56090 + j0.67155)2.0 × (0.52030 + j0.22385)
76–82.5 × (1.56090 + j0.67155)2.5 × (0.52030 + j0.22385)
88–93.0 × (1.56090 + j0.67155)3.0 × (0.52030 + j0.22385)
99–105.0 × (1.56090 + j0.67155)5.0 × (0.52030 + j0.22385)
1010–111.5 × (1.56090 + j0.67155)1.5 × (0.52030 + j0.22385)
1110–121.5 × (1.56090 + j0.67155)1.5 × (0.52030 + j0.22385)
1211–135.0 × (1.56090 + j0.67155)5.0 × (0.52030 + j0.22385)
1311–141.0 × (1.56090 + j0.67155)1.0 × (0.52030 + j0.22385)
1412–155.0 × (1.56090 + j0.67155)5.0 × (0.52030 + j0.22385)
1512–166.0 × (1.56090 + j0.67155)6.0 × (0.52030 + j0.22385)
1614–173.5 × (1.56090 + j0.67155)3.5 × (0.52030 + j0.22385)
1714–184.0 × (1.56090 + j0.67155)4.0 × (0.52030 + j0.22385)
1815–194.0  ×  (1.56090 + j0.67155)4.0 × (0.52030 + j0.22385)