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Question

For the bus admittance matrix (Ybus) of a 4-bus system given in per unit, the buses having shunt elements are________.


A.

1 and 2

B.

1,2 and 3

C.

1 and 4

D.

2 and 3

Answer ( Option A)

1 and 2

Solution

Given :

Add all the elements of row

Only Bus-1 and Bus-2 have non zero values means shunt buses are connected with these buses.

Hence, the correct option is (A).

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