Linear current control scheme with series resonant harmonic compensator for single-phase grid-connected photovoltaic inverters

被引：145

作者：

Castilla, Miguel ^{[1
]}

Miret, Jaume ^{[1
]}

Matas, Jose ^{[1
]}

de Vicuna, Luis Garcia ^{[1
]}

Guerrero, Josep M. ^{[2
]}

机构：

[1] Tech Univ Catalonia, Dept Elect Engn, Vilanova I La Geltru 08800, Spain

[2] Tech Univ Catalonia, Dept Automat Control Syst & Comp Engn, Barcelona 08036, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2008年 / 55卷 / 07期

关键词：

current harmonic content; grid-connected inverter; linear current regulator; photovoltaic (PV) power system;

D O I：

10.1109/TIE.2008.920585

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 deals with an important aspect in the operation of single-phase grid-connected photovoltaic inverters, i.e., injecting low harmonic current into the electrical grid. Specifically, we propose a linear current control scheme with a resonant harmonic compensator connected in series with a tracking regulator (the standard harmonic compensator location is in parallel with the tracking regulator). The series connection provides an efficient attenuation of the grid voltage background distortion, an accurate synchronization with the grid voltage, and a low computational time in relation to the standard control scheme. Experimental results from a digital signal processor-based laboratory prototype validate the features of the proposed control scheme.

引用

页码：2724 / 2733

页数：10

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