Estimation of Best Location of STATCOM in Transmission Lines with Matlab simulation

In present scenario power system dealing with many types of compensating devises for reactive power management and voltage control of long high voltage transmission line. Recently Shunt connected STATCOM based FACT device reveal a vitals roll in comparison of passive compensating devices. it based on voltage-sourced converter, the STATCOM regulates system voltage by absorbing or generating reactive power. The STATCOM may located at different places such as sending , Middle and Receiving end of transmission line for reactive power compensation. Many research paper shows that Middle location is the best location for optimal compensation when compared to other end of line. But i analysed with MATLAB simulink environment with two-machine system some parameter that affect the degree of compensation of STATCOM at different location. As power angle increases the degree of shunt FACT compensation increased. At steady state limit 90 degree angle is best for midpoint location of STATCOM.