Optimal Reactive Power Dispatch by Furnishing UPFC Using Multi-Objective Hybrid GAPSO Approach For Transmission Loss Minimisation and Voltage Stability
Abstract
The goal of optimal reactive power dispatch is to make the transmission loss minimal in addition to control of voltage profile such that the voltage deviations
at the load buses for various loading conditions. By furnishing FACTS devices in the transmission system , the power control can be finely achieved. The paper describes ORPD for the power loss minimisation using optimal sizing of UPFC and its optimal location of UPFC for loss minimisation . The power flow is first solved by NR method without implementing or furnishing UPFC and then by furnishing UPFC randomly in the IEEE -30 bus system. The UPFC allows control of real and reactive power both in addition to voltage magnitude control at various buses. In this paper, OPRD is applied using the hybrid GA -PSO. Simulations are performed on IEEE-30 bus test system using MATLAB software package to ensure efficacy of the proposed algorithm. This paper aims at to find the optimum usage of UPFC which means the finding of the optimal location and size where their influence would be more useful as well as to determine their cost.
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