Design of feedback laws for DC-TO-AC conversion in photovoltaic systems

被引:1
|
作者
Cid-Pastor, A [1 ]
Alonso, C [1 ]
Cugat-Curto, JF [1 ]
Estibals, B [1 ]
Martinez-Salamero, L [1 ]
机构
[1] CNRS, LAAS, Grp TMN, F-31077 Toulouse 4, France
关键词
D O I
10.1109/AMC.2004.1297648
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
One-phase de-ac stand-alone conversion for a photovoltaic standard panel is analyzed in this paper. A modular structure consisting of the cascade connection of a voltage step-up dc-to-dc switching converter with galvanic isolation and a buck converter-based inverter stage is proposed. Different feedback laws for the inverter stage are investigated to guarantee output voltage regulation. A comparative analysis of the modular structure performance under voltage-mode control, current-mode control and optimal control based on Linear Quadratic Regulator (LQR) approach is studied by means of simulation.
引用
收藏
页码:93 / 98
页数:6
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