Resonance Suppression Scheme in Single-Phase Grid Inverters with LLCL Filters

被引：0

作者：

Alemi, Payam ^{[1
]}

Bae, Cheol-Ju ^{[1
]}

Lee, Dong-Choon ^{[1
]}

机构：

[1] Yeungnam Univ, Dept Elect Engn, 280 Daehak Ro, Gyongsan, Gyeongbuk, South Korea

来源：

2014 INTERNATIONAL ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2014年

关键词：

Active damping; LLCL filters; PR control; Single-phase grid inverterl; LCL; RESISTOR; DESIGN;

D O I：

暂无

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 novel resonance suppression scheme for a single-phase grid inverter with the LLCL filters. In the structure of the LLCL filters, a small inductor is connected in series with the capacitor in the conventional LCL filters to make zero impedance at the switching frequency, by which the grid-side inductor filter can be reduced remarkably. However, since the resonance phenomenon is a critical issue in this case, a new control method using the proportional and resonant (PR) controllers is proposed to damp out the resonance. The simulation results have verified the effectiveness of the proposed control algorithm for a single-phase grid inverter.

引用

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页码：502 / 507

页数：6

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