Control Scheme for a Single-Phase Grid-Tied Voltage Source Converter With Reduced Number of Sensors

被引：25
|
作者：
Gomez Jorge, Sebastian [1 ]
Solsona, Jorge A. [1 ]
Busada, Claudio A. [1 ]
机构：
[1] Univ Nacl Sur, Inst Invest Ingn Elect Alfredo Desages UNS CONICE, Dept Ingn Elect & Comp, RA-8000 Bahia Blanca, Buenos Aires, Argentina
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 07期
关键词：
Distributed generation; frequency adaptive control; sensorless grid current control; SYNCHRONIZATION;
D O I：
10.1109/TPEL.2013.2278493
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 grid voltage sensorless controller for single-phase voltage source converters. The controller is composed of an observer and a current control scheme. The proposed observer replaces the grid voltage measurement and is used to generate the current references and to compensate the perturbation effect of the actual grid voltage on the coupling inductor. This allows us to implement a simple proportional resonant current control algorithm. The proposed observer also estimates the grid frequency, allowing us to immunize the controller to grid frequency variations.
引用
收藏
页码：3758 / 3765
页数：8
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