Abstract
This paper presents about the effective localization of the FACTS (Flexible AC Transmission Systems) devices in power system by a global search GA (Genetic Algorithm) technique. Ultimate goal is to improve the stability of power system as well as to reduce the generation cost, transmission losses by increasing loadability and improving voltage profile with introduce FACTS device at the most effective region. This method is employed by considering the cost of FACTS and their optimal utilization in the system. Optimal location of FACTS, their types and rated values are optimized simultaneously. Three FACTS devices such as TCSC, TCPAR and SVC are simulated in this study. Simulation is carried out on IEEE30 bus and IEEE 118 bus power system with different increased load-ability. We search the efficiency of this method on the basis of power generation cost, FACTS investment cost and transmission loss reduction. The employed algorithm is emerged as an effective and practical method for the choice and allocation of FACTS in large power systems.
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