Output Current Ripple Reduction Algorithms for Home Energy Storage Systems

被引:14
|
作者
Park, Jin-Hyuk [1 ]
Jeong, Hae-Gwang [1 ]
Lee, Kyo-Beum [1 ]
机构
[1] Ajou Univ, Dept Elect & Comp Engn, Suwon 443749, South Korea
关键词
second-order harmonic; energy storage system; harmonic compensator; single phase grid connected inverter; PERFORMANCE;
D O I
10.3390/en6105552
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
This paper proposes an output current ripple reduction algorithm using a proportional-integral (PI) controller for an energy storage system (ESS). In single-phase systems, the DC/AC inverter has a second-order harmonic at twice the grid frequency of a DC-link voltage caused by pulsation of the DC-link voltage. The output current of a DC/DC converter has a ripple component because of the ripple of the DC-link voltage. The second-order harmonic adversely affects the battery lifetime. The proposed algorithm has an advantage of reducing the second-order harmonic of the output current in the variable frequency system. The proposed algorithm is verified from the PSIM simulation and experiment with the 3 kW ESS model.
引用
收藏
页码:5552 / 5569
页数:18
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