The one-line diagram of a 3-bus system is given.
Following are the ratings of the various components:
G1 = 50 MVA, 13.8 kV, X” = 0.15 pu G2 = 40 MVA, 13.2 kV, X” = 0.20 pu
G3 = 30 MVA, 11 kV, X” = 0.25 pu T1 = 45 MVA, 11 kV /110 kV Y, X = 0.1 pu
T2 = 25 MVA, 12.5 kV /115 kV Y, X = 0.15 pu T3 = 40 MVA, 12.5 kV /115 kV Y, X = 0.1 pu
The line impedances are shown in the figure.
Draw the impedance diagram showing all components’ impedances computed based on 50 MVA and 13.8 kV as base quantities in G1.
![](https://gotit-pro.com/wp-content/uploads/2021/05/sample.png)
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