变压器
电气工程
电磁线圈
电压
三角星形变压器
工程类
材料科学
配电变压器
电子工程
作者
Xufu Ren,Jinfeng Zhang,Yunlei Jiang,Xinru Li,Teng Li
标识
DOI:10.1109/compel52896.2023.10221067
摘要
This paper presents the design and testing of an LLC DC transformer (DCX) capable of directly converting power from a regulated 48 V DC bus to the point of loads (PoLs). By using series connected transformer windings and parallel connected rectifiers, the proposed LLC DCX has achieved high voltage conversion ratio (48:1) and high output current (>300A) within a 58 by 15 by 5.6 mm volume. The design of the high-frequency transformer is introduced and a 48-to-IV DCX prototype with 300A output current is constructed, exhibiting a peak efficiency of 93.7% and a full load efficiency of 89.0%.
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