Journal of Electrical Engineering and Electronic TechnologyISSN: 2325-9833

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Research Article, J Electr Eng Electron Technol Vol: 7 Issue: 1

Improved UPFC Controller Based on Lyapunov Theory for Power Flow Control and DC Voltage Regulation

Kuate RF1,2*, Kenne G1, Fombu AM1,2, Cheukem AE1 and Fotsin HB2

1D´epartement de G´enie Electrique IUT FOTSO Victor Bandjoun, Unit´e de Recherche d’Automatique et d’Informatique Appliqu´ee (LAIA), Universit´e de Dschang, B.P. 134 Bandjoun, Cameroun

2D´epartement de Physique, Facult´e des Sciences, Unit´e de Recherche de Mati`ere Condens´ee, d’Electronique et de Traitement du Signal (LAMACETS), Universit´e de Dschang, B.P. 69 Dschang, Cameroun

*Corresponding Author : Kuate RF
D´epartement de G´enie Electrique IUT FOTSO Victor Bandjoun Unit´e de Recherche d’Automatique et d’Informatique Appliqu´ee (LAIA)
Universit´e de Dschang, B.P. 134 Bandjoun, Cameroun
Tel: (+237) 696 90 84 76
E-mail: [email protected]

Received: March 05, 2018 Accepted: April 19, 2018 Published: April 26, 2018

Citation: Kuate RF, Kenne G, Fombu AM, Cheukem AE, Fotsin HB (2018) Improved UPFC Controller Based on Lyapunov Theory for Power Flow Control and DC Voltage Regulation. J Electr Eng Electron Technol 7:1. doi: 10.4172/2325-9833.1000157

Abstract

In this paper, an improve robust UPFC controller is designed based on Lyapunov direct method which enhances the power flow and DC voltage regulation of a power system. The proposed controller is robust and produces an optimal response in the presence of unknown bounds of system parameter uncertainty and disturbances. The magnitudes of the uncertainty and disturbances are identified online and the information obtained is then used to tune the controller. The performance of the proposed controller is simulated on a Kundur power system and compared with a state feedback controller with integral control, called state feedback PI controller. Comparative results indicate satisfactory performance of the proposed controller in dealing with the uncertainties and disturbances considered.

Keywords: Flexible AC transmission systems; Unified power flow controller; Power flow; Robust control; Lyapunov theory

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