Low Frequency Current Reduction using a Quasi-Notch Filter operated in Two-Stage DC-DC-AC Grid-Connected Systems

被引：0
|
作者：
Jung, Hong-Ju [1 ]
Ha, Keun-Soo [2 ]
Song, Byeong-Mun [3 ]
Lai, Jih-Sheng [4 ]
Hyun, Dong-Seok [1 ]
Kim, Rae-Young [1 ]
机构：
[1] Hanyang Univ, Dept Elect Engn, Seoul, South Korea
[2] LG Elect, Adv Control Grp, Seoul, South Korea
[3] Baylor Univ, Dept Elect & Comp Engn, Waco, TX 76798 USA
[4] Virginia Tech, Dept Elect & Comp Engn, Blacksburg, VA 24061 USA
来源：
2011 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2011年
关键词：
POWER; INVERTER; INPUT;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
For a single-phase grid-connected power system, output power is pulsated instantaneously with a double-fundamental frequency. Accordingly, the current drawn from renewable energy sources tends to be pulsated and contains low frequency ripple components, which causes several issues including a power harvesting deterioration and energy source's life shortening. This paper proposes a novel power pulsation decoupling scheme to reduce low frequency ripple current with a fast voltage loop. Proper control design based the small-signal model of two-stage dc-dc-ac converter is presented in a frequency domain analysis, and its experimental waveforms are provided to verify the effectiveness.
引用
收藏
页码：2746 / 2750
页数：5
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