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.
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页码：502 / 507
页数：6
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