GATE Electrical Engineering (EE) 2011 Solved Paper

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Question : 54 of 65

Marks: +1, -0

A three – bus network is shown in the figure below indicating the p.u. impedance of each element.

The bus admittance matrix, Y-bus, of the network is

$j{[\table 0.3 , −0.2 , 0 ; −0.2 , 0.12 , 0.08 ; 0 , 0.08 , 0.02 ; ]}$
$j{[\table −15 , 5 , 0 ; 5 , 7.5 , −12.5 ; 0 , −12.5 , 2.5 ; ]}$
$j{[\table 0.1 , 0.2 , 0 ; 0.2 , 0.12 , −0.08 ; 0 , −0.08 , 0.10 ; ]}$
$j{[\table −10 , 5 , 0 ; 5 , 7.5 , 12.5 ; 0 , 12.5 , −10 ; ]}$

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