H∞ repetitive control of DC-AC converters in microgrids

被引：161
作者：
Weiss, G [1 ]
Zhong, QC [1 ]
Green, TC [1 ]
Liang, J [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, London SW7 2BT, England
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2004年 / 19卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
DC-AC power converter; H-infinity control; microgrid; repetitive control; total harmonic distortion (THD); voltage control;
D O I：
10.1109/TPEL.2003.820561
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：
This paper proposes a voltage controller design method for dc-ac converters supplying power to a microgrid, which is also connected 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 techniques. This leads to a very low harmonic distortion of the output voltage, even in the presence of nonlinear loads and/or grid distortions. 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 highest frequency components are up to approximately 1.5 kHz.
引用
收藏
页码：219 / 230
页数：12
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