Computation of Reflection and transfer Coefficient Matrices for Switching Transient Studies

A non-iterative method has been developed for computing reflection and transfer coefficient matrices for use in traveling wave studies on three-phase power systems. The method has been programmed, verified by reproducing field tests, and applied to a practical study. The program has the capability of including three- phase untransposed transmission lines, multi-velocity waves, single- pole switching, lightning arresters, and transformer hysteresis. All calculations of reflection and transfer coefficient matrices are done automatically to minimize data preparation.