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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 975170, 7 pages
http://dx.doi.org/10.1155/2013/975170
Optimal Power Flow Using Adaptive Fuzzy Logic Controllers
Electrical and Computer Engineering Department, King Abdulaziz University Jeddah, P.O. Box 80230, Jeddah 21589, Saudi Arabia
Received 27 December 2012; Accepted 13 January 2013
Academic Editor: Jian Li
Copyright © 2013 Abdullah M. Abusorrah. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
This paper presents an approach for optimum reactive power dispatch through the power network with flexible AC transmission systems (FACTSs) devices, using adaptive fuzzy logic controller (AFLC) driven by adaptive fuzzy sets (AFSs). The membership functions of AFLC are optimized based on 2nd-order fuzzy set specifications. The operation of FACTS devices (particularly, static VAR compensator (SVC)) and the setting of their control parameters () are optimized dynamically based on the proposed AFLC to enhance the power system stability in addition to their main function of power flow control. The proposed AFLC is compared with a static fuzzy logic controller (SFLC), driven by a fixed fuzzy set (FFS). Simulation studies were carried out and validated on the standard IEEE 30-bus test system.