A Plug-and-Play Ripple Mitigation Approach for DC-Links in Hybrid Systems

被引:0
|
作者
Li, Sinan [1 ]
Lee, Albert T. L. [1 ]
Tan, Siew-Chong [1 ]
Hui, S. Y. [1 ,2 ]
机构
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
[2] Imperial Coll London, Dept Elect & Elect Engn, London, England
关键词
Plug-and-play ripple mitigation; ripple pacifier; DC-link; AC/DC power system; POWER; CAPACITORS; INVERTERS; FLICKER; ENERGY;
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
In this paper, a plug-and-play ripple mitigation technique is proposed. It requires only the sensing of the DC-link voltage and can operate fully independently to remove the low-frequency voltage ripple. The proposed technique is non-intrusive to the existing hardware and enables hot-swap operation without disrupting the normal functionality of the existing power system. It is user-friendly, modular and suitable for plug-and-play operation. The experimental results demonstrate the effectiveness of the ripple-mitigation capability of the proposed device. The DC-link voltage ripple in a 110 W miniature hybrid system comprising an AC/DC converter and two resistive loads is shown to be significantly reduced from 61 V to only 3.3 V. Moreover, it is shown that with the proposed device, the system reliability has been improved by alleviating the components' thermal stresses.
引用
收藏
页码:169 / 176
页数:8
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