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OPTIMAL LOCATION OF SHUNT FACTS DEVICES IN TRANSMISSION LINE USING CUCKOO SEARCH ALGORITHM

K Toshi, RT Udayshankar, Brighty Mariam Babu

In this paper, the FACTS devices are used to compensate the reactive power in the transmission line. The FACTS devices have unique feature of controlling network condition quickly and this can be exploited to enhance the transient stability of the system. FACTS devices are also capable of enhancing power transfer capability either by absorbing reactive power or by injecting it in to the transmission line. Cuckoo Search Algorithm (CSA) is a natural meta-heuristic algorithm based on the finding of best nests. This feature of Cuckoo is used to locate the highest values of reactive power losses in IEEE Standard 14-bus, 30-bus and 57-bus system using NEWTON-RAPHSON Load Flow Analysis Technique for maximum number of iterations. These reactive power losses can be compensated by using shunt FACTS devices by placing them in the optimal location.