Load flow studies in a power system provide mathematical approach to determine?
The bus admittance matrix of the network shown in the given figure, for which the marked parameters are per unit impedances is
In Gauss-Seidel load flow method the number of iterations may be reduced if the correction in voltage at each bus is multiplied by
For a 50 bus power system size of admittance matrix (Y – bus) will be –
Ybus matrix of a 200 bus interconnected system is 80 % sparse .the number of off diagonal non zero elements in Y bus and number of transmission line in the system are ?
What is the form of the Ybus matrix for carrying out load flow studies by Gauss-Seodal method of a power system having mesh connection of nodes?
A 3-bus power system network consists of 3 transmission lines. The bus admittance matrix of the uncompensated system is If the shunt capacitance of all transmission lines is 50% compensated, the imaginary part of the 3rd row 3rd column element (in pu) of the bus admittance matrix after compensation is
The YBUS of a system is given as
If the impedance of shunt elements at all the buses is doubled and a line with impedance j0.5 is connected between bus 1 and 2 then new YBUS will be
The most relevant information needed to specify the real power (P) at the PV buses in the load flow analysis is-
When the PV bus is treated as PQ in load flow studies ?