Highly Efficient (99.2%), Ultra-Compact (32.3 W/cm3) Capacitively Coupled DC/DC Power Electronic Transformer for 380 V DC Power Supply Systems

被引：0
|
作者：
Arita, Keigo [1 ]
Hayashi, Yusuke [1 ]
Takao, Kazuto [1 ]
机构：
[1] Toshiba Co Ltd, Corp Res & Dev Ctr, 1 Komukai Toshiba Cho,Saiwai Ku, Kawasaki, Japan
来源：
2023 25TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, EPE'23 ECCE EUROPE | 2023年
关键词：
Capacitive coupling; DC-DC converter; Isolated converter; LLC resonant converter; Solid-State Transformer;
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：
The capacitively coupled DC/DC power electronic transformer (DCPET) has been proposed for 380 V DC power supply systems. The capacitive coupling topology achieves highly efficient and ultra-compact isolated DC/DC converter, removing the high-frequency transformer which is dominant in the converter loss and volume. A prototype of the DCPET has been fabricated and its performance with the peak efficiency of 99.2% and power density of 32.3 W/cm(3) has been verified. The proposed topology overcomes the stagnant relationship between the efficiency and the power density of isolated converters. The proposed DCPET contributes the energy saving of the data centers in the future big data-driven society.
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页数：8
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