Surge Snubber Design for High Power-Density DC-DC Converters in HVDC Power Distribution Systems

被引：0

作者：

Domoto, Kazuhide ^{[1
]}

Ninomiya, Tamotsu ^{[1
]}

Ishizuka, Yoichi ^{[1
]}

Simanjorang, Rejeki

Yamaguchi, Hiroshi

Abe, Seiya

Kaga, Masato

机构：

[1] Nagasaki Univ, Grad Sch Engn, Nagasaki 8528521, Japan

来源：

INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS (ICRERA) | 2012年

关键词：

component; HVDC power distribution system; isolated DC-DC converter; surge analysis; high-freaquency equivalent circuit; surge-snubber capacitor;

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 an isolated DC-DC converter utilized in the HVDC power distribution system, a large surge voltage occurs across the secondary-side diodes due to the transformer's leakage inductance, and then the diodes with a large withstand voltage are required. However, those diodes cause a lot of power loss. In this paper, a simple surge snubber with prominent surge suppression capability is examined, and the surge-voltage evaluation through the analysis using the high-frequency equivalent circuits, which is followed by the experimental confirmation. Furthermore, the the optimum design of its surge-snubber capacitor is presented.

引用

页数：5

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