Kaushik PAUL, Shaligram AGRAWAL, Kamalendu PAUL, Niranjan KUMAR

Optimal rescheduling of real power to mitigate congestion using gravitational search algorithm

The initiative to manage congestion has gained interest in the current deregulated scenario. The principlecommitment of the work in this article is to extend the gravitational search algorithm (GSA) as an efficient metaheuristicoptimizing algorithm to diminish the rescheduling cost and efficiently attenuate the overloading of the line with theminimal deviation in the active power generation. The congestion management drive is accomplished by prioritizing thegenerators based on their sensitivity values. Thereafter, the GSA is introduced to optimally minimize the reschedulingcost along with the minimization of the total amount of active power output and system losses. The potency of theproposed method is tested on the 39-bus New England System and the IEEE 30-bus system and 118-bus system, andthe outcomes achieved with the GSA outperform the results reported with other algorithms.

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