Robust Control for Three-Phase Grid Connected Power Converters Via Second Order Sliding Mode

被引：0
|
作者：
Liu, Jianxing [1 ]
Vazquez, Sergio [2 ]
Gao, Huijun [1 ]
Franquelo, Leopoldo G. [2 ]
机构：
[1] Harbin Inst Technol, Sch Astronaut, Res Inst Intelligent Control & Syst, Harbin 150001, Peoples R China
[2] Univ Seville, Sch Engn, Dept Elect Engn, Seville 41092, Spain
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT) | 2015年
关键词：
DC CONVERTER; OBSERVER; SYSTEMS; RECTIFIERS; STATE; ORDER;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a model based robust control for three-phase two-level grid connected power converters is studied. The proposed controller uses a Second Order Sliding Mode (SOSM) technique to develop the control law. The control objectives are to achieve desired dc-link capacitor voltage regulation and unity power factor. This requires controllers with fast response in the presence of external disturbances. An Extended State Observer (ESO) is employed to asymptotically reject the disturbances which are integrated in the controller design. The proposed control strategy has a cascaded structure which consists of current tracking (inner) and voltage regulation (outer) loops based on ESO. Multi-rate simulation illustrates the effectiveness and robustness of the proposed controller under parametric uncertainties and load variations.
引用
收藏
页码：1149 / 1154
页数：6
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