Robust repetitive control of grid-connected DG-AC converters'

被引:0
作者
Zhong, QC [1 ]
Green, T [1 ]
Liang, J [1 ]
Weiss, G [1 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, London SW7 2BT, England
来源
PROCEEDINGS OF THE 41ST IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-4 | 2002年
关键词
repetitive control; DC-AC power converter; H-infinity control;
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
This paper proposes a possible circuit topology and voltage controller design for connecting a DC-AC converter to the power grid. This converter is meant to operate in conjunction with a small power generating unit. The design of the output voltage controller is based on H-infinity and repetitive control. This leads to a very low harmonic distortion of the output voltage, even in the presence of nonlinear loads and/or a distorted grid voltage (The complete controller has also other components besides the output voltage controller, which will be discussed elsewhere). The output voltage controller contains an infinite-dimensional internal model, which enables it to reject all periodic disturbances which have the same period as the grid voltage and whose frequency components up to approximately 1.5kHz are considered.
引用
收藏
页码:2468 / 2473
页数:6
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