Abstract
This study presents a finding an optimal location and best parameter setting of Unified Power Flow Controller (UPFC) by Bacterial Foraging Optimization Algorithm (BFOA) 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 study consider a way to find the compromise solution to a problem. Simulations have been implemented in MATLAB software and IEEE 30 bus system is used. Installing the UPFC in the optimal location by BFO Algorithm can significantly minimize the active and reactive power loss in the power system network.
Highlights
Many power systems blackouts, which occurred worldwide over twenty years, are caused by heavily stressed system with large amount of real and reactive power demand and low voltage condition
Unified Power Flow Controller (UPFC) device model: The UPFC device used in this study is to reduce the power loss in the system
MAT LAB coding for Bacterial Foraging Optimization Algorithm (BFOA) and the facts device UPFC are incorporated for the simulation process
Summary
Many power systems blackouts, which occurred worldwide over twenty years, are caused by heavily stressed system with large amount of real and reactive power demand and low voltage condition. While power flow in some of the transmission line was normal condition, the other lines are be overloaded, which effects the voltage profile management and power loss in transmission system. One of the most important promising devices is the UPFC which have introduced by the Gyugiy in the year 1991. The device UPFC is used to increase the power flow as well as the system through a proper controller design. The functionality of the UPFC is to determine the optimal location placement and the best parameter setting may be the active and reactive power loss reduction, which increases the power transfer capacity and the system (Ramesh and Damodara Reddy, 2013)
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