Modelling, Simulation and Performance Analysis of FACTS Controller in Transmission line

For the development and improvement of dynamic performance of the modern power system, Flexible AC Transmission Systems (FACTS) devices have been used since 1970s. FACTS devices use power electronic components to improve system performance. FACTS controller includes Fixed Capacitor Thyristor Controlled Reactor (FC_TCR), Static Synchronous Compensator (STATCOM), Thyristor Controlled Series Compensator (TCSC), Static Series Synchronous Compensator (SSSC), Static VAR Compensator (SVC), Unified Power Flow Controller (UPFC), which are used in the transmission and distribution system to improve power transfer capability and to enhance power system stability. The Unified Power Flow Controller (UPFC) is the most complex power electronic equipment and is able to control, simultaneously or selectively, all the parameters affecting power flow in the transmission line. It can independently control both the real and reactive power flow in the line. This paper shows the results that show the performance of the system for each of the FACTS devices in improving the power flow in the transmission line. All the simulations are carried out by using MATLAB/SIMULINK software. The simulation result shows the performance of FACTS devices in transmission line.