Abstract
This paper presents a finding an optimal location and best parameter setting of Unified Power Flow Controller (UPFC) by Bacterial Foraging Optimization Algorithm (BFOA) and Modified Shuffled Frog Leap Algorithm (MSFLA) and Imperialist Competitive Algorithm(ICA) for minimizing the active and reactive power loss in power system. The UPFC is one of the important Flexible Alternating Current Transmission System (FACTS) device that control simultaneously voltage magnitude at the sending end and the active and reactive power at the receiving end bus. The FACTS devices have been proposed to be effective for controlling the power flow in transmission lines. However the cost of installing the UPFC is too high. Therefore the objective functions used in this paper consider a way to find the compromise solution to a problem. Simulations have been implemented in MATLAB software and IEEE 39 bus system is used. Installing the UPFC in the optimal location by ICA Algorithm can significantly minimize the active and reactive power loss in the power system network. The result of the ICA is compared with the BFO and MSFL algorithms. Keywords: Unified Power Flow Controller (UPFC); Optimized Placement; Bacterial Foraging Optimization Algorithm (BFOA), Modified Shuffled Frog Leap Algorithm (MSFLA), Imperialist Competitive Algorithm (ICA).
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