Power Flow Solution Using Impedance Parameters

Bus admittance matrix is invariably used for the
power flow solution. In this paper, power flow analysis that
makes use of only impedance parameters is presented. The
inverse of Jacobian matrix ( J 1 -
v ) is obtained very easily by
doing simple mathematical operations on the bus impedance
matrix of the transmission network. This constant J -1
v matrix is
used to update the solution in each iteration. The proposed
method is tested on IEEE systems and found to give good
results. As compared to the Fast Decoupled Power Flow
method, the proposed one takes lesser number of iterations to
get the exact solution. The proposed power flow method can be
extended to solve power flow problem associated with large
power systems, using piecewise solution technique.