Static analysis of STATCOM placement effect on the voltage quality and available transfer capability

Optimization of the existing transmission line is important nowadays. The optimization can be done by adjusting reactive power in the transmission line. Static compensator (STATCOM) can be used to adjust the reactive power on the network. By optimal placement using voltage stability index with relative voltage change method, the potential of STATCOM to improve voltage quality and available transfer capability (ATC) is evaluated through simulation. The simulation shows that voltage quality improved, indicated by the voltage magnitude that close to one p.u. and increasely sloping curve. The ATC, on normal load Increased by 39.21% and on heavy load ATC increased by 116.26%.