Full-State Feedback Equivalent Controller for Active Damping in LCL-Filtered Grid-Connected Inverters Using a Reduced Number of Sensors

被引：118

作者：

Busada, Claudio A. ^{[1
]}

Gomez Jorge, Sebastian ^{[1
]}

Solsona, Jorge A. ^{[1
]}

机构：

[1] Univ Nacl Sur, Dept Ingn Elect & Computadoras, Inst Invest Ingn Elect IIIE Alfredo Desages, UNS CONICET, RA-8000 Bahia Blanca, Buenos Aires, Argentina

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2015年 / 62卷 / 10期

关键词：

Active damping (AD); current control; grid-connected inverter; LCL filter; resonance damping; SPACE CURRENT CONTROL; PWM CONVERTERS; DESIGN; RESONANCE;

D O I：

10.1109/TIE.2015.2424391

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 presents a method for the active damping of a grid-tie LCL inverter. This method is based solely on the feedback of the injected current into the grid and is applicable to any linear current controller. It requires a low additional computational load over that required to control a grid-tie L inverter and the same measurements. A general design methodology for the current controller, which allows positioning all of the closed-loop poles of the system at arbitrary locations (even unstable modes of the LCL filter), is proposed. Stability and robustness of the resulting system are analyzed. Simulation and experimental results that validate the proposal are presented.

引用

页码：5993 / 6002

页数：10

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