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Recall the idea of Homotopy in Loops.
We saw that if bablalala a llavalablab
alab labla lbala alba
Recall the idea of Homotopy in Loops.
We saw that if bablalala a llavalablab
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alab labla lbala alba
Recall the idea of Homotopy in Loops.
We saw that if bablalala a llavalablab
alab labla lbala alba
EEL303: Power Engineering I - Tutorial 6
1. Figure 1 shows the one-line diagram of a four-bus systeeeeeeem. Table 1 gives the line
Figure 1: Sample system for 1Q
impedances identified by the buses on which these terminate. The shunt admittance at all the
buses is assumed to be negligible.
Table 1:
Line, Bus to bus R (p.u) X (p.u)
1–2
0.05
0.15
1–3
0.10
0.30
2–3
0.15
0.45
2–4
0.10
0.30
3–4
0.05
0.15
(a) Find Y B
us,
assuming that the line shown dotted is not connected.
(b) What modifications need to be carried out in YBus if the line shown dotted is connected.
Table 2:
Line
1–2
1–3
2–3
2–4
3–4
mkk
G (p.u)
2
1
0.666
1
2
B (p.u)
-6
-3
-2
-3
-6