Analysis on Virtual Vector Control Schemes for Single-Phase PWM Converter Based on Orthogonal Signals Generators

被引：0
|
作者：
Gu C. [1 ]
Wang C. [1 ]
Wang K. [1 ]
Wang X. [1 ]
机构：
[1] School of Electrical Engineering, Beijing Jiaotong University, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2019年 / 34卷
关键词：
Second order generalized integrator (SOGI); Single-phase PWM converter; Virtual vector control schemes;
D O I：
10.19595/j.cnki.1000-6753.tces.180516
中图分类号：
学科分类号：
摘要：
Virtual vector control schemes for single-phase PWM converter can realize the reactive and active component of the grid current controlled independently. However, the orthogonal signals generators (OSG) methods may affect the dynamic response and harmonic performance, and rare papers have analyzed the connection between OSG methods and coupling term. An improved virtual vector control scheme is proposed in this paper, in which orthogonal signal generator (SOGI) is used to construct orthogonal signal, and the principle of the proposed control strategy is analyzed. Moreover, a unified equivalent model in stationary frame considering decoupling component is established to analyze the impact of decoupling approaches and the harmonic performance of OSG methods. Finally, both simulation and experimental results verify the correction and effectiveness of proposed methodology. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
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页码：202 / 211
页数：9
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