Backstepping Control of Three-Levels VSC Based Back-To-Back HVDC System

被引：0
|
作者：
Bouafia, S. [1 ]
Benaissa, A. [1 ]
Bouzidi, M. [1 ,2 ]
Barkat, S. [3 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Intelligent Control & Elect Power Syst Lab ICEPS, Dept Elect Engn, Sidi Bel Abbes 22000, Algeria
[2] Univ Kasdi Merbah, Dept Elect Engn, Ouargla 30000, Algeria
[3] Msila Univ, Dept Elect Engn, Msila 28000, Algeria
来源：
2013 3D INTERNATIONAL CONFERENCE ON SYSTEMS AND CONTROL (ICSC) | 2013年
关键词：
backstepping controller; back-to-back HVDC; capacitors voltages balancing; nonlinear control; multilevel space vector modulation;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a nonlinear backstepping controller is proposed for control a back-to-back high voltage direct current system using three-phase three-level voltage source converters (VSC-HVDC). The mathematical model and backstepping controller structure is discussed in a synchronous rotating reference frame (d-q) in the aim to provide high dynamic performance with complete decouple control of active and reactive power. The objective of maintaining balanced voltages in DC-link capacitors is achieved by using the three level space vector modulation with balancing strategy based on the effective use of the redundant switching states of the converters voltage vectors. Complete simulation of the VSC-HVDC system validates the efficiency of the proposed backstepping control law. Compared to the conventional control, the used of backstepping control allows to exhibit excellent transient response during large range of operating conditions.
引用
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页数：6
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