Enhancing system loadability with multiple FACTS devices using Artificial Bee Colony Algorithm

The vulnerability of load curve and exchange of power between various utilities the upper limit of the power capability of the system is crossing. So there is need of finding the solution to limit the usage of existing system and to give satisfactory voltage support. In these situations, Flexible AC Transmission system (FACTS) devices assume significant job in increasing system performance and loadability. These FACTS devices whenever put ideally can be viable in giving voltage support, controlling power flows and thusly coming about to bring down the system losses. Here FACTS devices SVC, STATCOM, TCSC have been considered for optimal placement. The Artificial Bee Colony algorithm (ABC) has been developed for simultaneous placement of above said FACTS devices. The effect of these devices for lowering losses, increasing the loadability has been observed by placing at optimal locations dictated by ABC algorithm. The results have been validated on IEEE 14 and 30-bus systems.