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The Fig P21 shows the one line diagram of a simple four bus system Table P21 gives the line impedances identified by the buses on which these terminate The shunt admittance at all the buses is

The Fig. P2.1 shows the one-line diagram of a simple four-bus system. Table P2.1 gives the line impedances identified by the buses on which these terminate. The shunt admittance at all the buses is assumed negligible (a) Obtain the bus admittance Ygus assuming that the line shown dotted is not connected (b) (i) What modifications need to be carried out in?BUs If the dotted line is now connected? The impedance of the line is (0.01 +j0.1) pu (ii) obtain the new YBUS 4 TABLE P2.1 G2 Line Bus to bus(p.u)X(pu) 0.5 0.1 0.05 0.009375 0.125 0.0375 0.009 0.0045 2-5 2 0.00225 0.025 Fig. P2.1

 

Jul 26 2020 View more View Less

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