engineering recuitment HAL Management & Design Trainee Mock Test 2023 Power Systems Load Flow Studies Y Bus Matrix
A single line diagram of a power system is shown in the figure. The per unit values of line impedances are given. The sum of diagonal elements of YBUS matrix is
1
j0.55 pu
2
–j38 pu
3
j1.1 pu
4
j38 pu