Power Flow Computation Based on Tensor Methods
Dongtao Wang · Proceedings of the CSEE · 2011
Two new approaches for power flow computation based on tensor method were presented in the paper in order to improve computation convergence properties for systems under heavy load.Method one used least squares optimization algorithm to obtain tensor increment when the real roots of tensor equation did not exist,which led to a better convergence.Method two adopted tensor direct calculation strategy in polar coordinates to achieve the quadratic of the increment by the direct calculation of the second derivative of power flow equations;therefore,its convergence and calculation speed were significantly improved;although its calculation speed was nearly the same as that of Newton method for light or normal load situation,it was obeviously faster than that at the heavy load situation,sometimes even 30% faster.The results of several examples demonstrate that the two methods proposed are valid.