Optimal control design for VSC-HVDC systems

Author

Ayari, Mouna ; Moez Belhaouane, Mohamed ; Braiek, Naceur Benhadj ; GUILLAUD, XAVIER

Author_Institution

Adv. Syst. Lab., Univ. of Carthage, La Marsa, Tunisia

fYear

2013

fDate

21-23 March 2013

Firstpage

1

Lastpage

6

Abstract

This paper deals with modeling and optimal control design of VSC-HVDC transmission system in order to enhance system stability. The steady of the state mathematical model for GL (Generator-Load) VSC-HVDC system is developed and the decoupled relationship between the controlling variables is proposed. Furthermore, this work focuses on the design of optimal PI (proportional-integral) controller which aims to maintain DC link voltage and control the reactive power. The effectiveness of the proposed optimal control scheme is proved through digital simulation studies on a VSC-HVDC power system, using MATLAB/Simulink software. The simulation results shows that the proposed optimal PI controller is effective to enhance power system stability.

Keywords

HVDC power transmission; mathematical analysis; power system stability; reactive power control; DC link voltage; MATLAB; Simulink software; VSC-HVDC power system; VSC-HVDC transmission system; digital simulation studies; generator-load VSC-HVDC system; mathematical model; optimal control design; power system stability; proportional-integral controller; reactive power; HVDC transmission; Mathematical model; Optimal control; Power conversion; Reactive power; Voltage control; Linear quadratic optimal control; VSC-HVDC transmission system; decoupling control; optimal PI controller;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Engineering and Software Applications (ICEESA), 2013 International Conference on

Conference_Location

Hammamet

Print_ISBN

978-1-4673-6302-0

Type

conf

DOI

10.1109/ICEESA.2013.6578365

Filename

6578365