An optimal controller for FACTS devices based on fuzzy rules and bees algorithm

A. Girdenis 1, *, I. Vizgirda 1, E. Bukantas 1, P. K. Wong 2

  1. Faculty of Power and Electrical Engineering, Riga Technical University, Azenes iela 12/1, Riga, LV–1048, Latvia
  2. Department of Electrical and Computer Engineering, National University of Singapore, Singapore 119260, Singapore

Abstract

Power systems including a collection of dynamic interconnected subsystems and devices. The control systems must have the capability of coordinating all sub-controllers under diverse operating conditions and limits. In the last decades, to cope with the increasing need for electric power, more and more FACTS devices are employed to enhance the transmission capability of the existing transmission system. As a result, the stability margin of power systems has decreased as the complexity of power systems has increased dramatically. This paper introduces the design and analysis of a nonlinear variable-gain ANFIS controller for a flexible ac transmission systems (FACTS) device such as the unified power flow controller (UPFC) to improve the transient stability efficiency of power systems. In ANFIS training, the radius vector of clusters has a high effect on the efficiency of ANFIS. For his reason in this paper, the bees algorithm is suggested in finding the optimum radius vector. Computer simulation results confirm the superior performance of this hybrid controller.

Keywords

Bees algorithm, Radius vector, ANFIS, Stability, FACTS device

Digital Object Identifier (DOI)

https://doi.org/10.21833/AEEE.2019.04.003

Article history

Received 15 November 2018, Received in revised form 25 February 2019, Accepted 2 March 2019

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How to cite

Girdenis A, Vizgirda I, and Bukantas E et al. (2019). An optimal controller for FACTS devices based on fuzzy rules and bees algorithm. Annals of Electrical and Electronic Engineering, 2(4): 14-20

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