A nonlinear control for enhancing HVDC light transmission system stability

被引：46
|
作者：
Ruan, Si-Ye
Li, Guo-Jie
Peng, Lin
Sun, Yuan-Zhang
Lie, T. T. [1 ]
机构：
[1] Nanyang Technol Univ, Sch EEE, Singapore, Singapore
[2] Tsinghua Univ, State Key Lab Power Syst, Beijing 100084, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2007年 / 29卷 / 07期
基金：
中国国家自然科学基金;
关键词：
HVDC light; nonlinear control; digital simulation; PWM;
D O I：
10.1016/j.ijepes.2007.01.008
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The purpose of this paper is to study the mathematical model and its control strategy of HVDC Light transmission system in order to enhance system stability. In this paper, the steady state mathematical model for the HVDC Light system is developed and the decoupled relationship between the controlling variables is proposed. An appropriate controller utilizing nonlinear control for HVDC Light system is proposed to maintain the dc link voltage and control the active and reactive power. The control is not complex. Basic functions of HVDC Light system can be realized. What is further, better performances are obtained when compared with a traditional control. The digital simulation results show that the proposed nonlinear control is effective to damp system oscillations and enhance system stability. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：565 / 570
页数：6
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