STEADY STATE MODELS OF SERIES FACTS DEVICES FOR POWER FLOW ANALYSIS (original) (raw)

In this paper, steady state models of series FACTS devices for power flow studies and the task of that modelling in the study of series FACTS devices for control of power flow was discussed. Series FACTS devices considered in this paper are Thyristor Controlled Series Capacitor (TCSC), Thyristor Controlled Phase Shifter (TCPS) and Static Synchronous Series Compensator (SSSC). In order to model these series FACTS devices, a number of power flow study programs were established. The effectiveness of modelling and convergence was tested with IEEE 14 and 30 bus system with and without series FACTS devices.Newton-Raphson technique is used to solve the nonlinear load flow equations. Power flow study programming was accomplished by using MATLAB. Results are reported and studies are presented to demonstrate and compare the efficiency of TCPS, TCSC and SSSC.