Split-Capacitor-Based Isolated Double Step-Down DC-DC Converter

被引：1

作者：

Truong-Duy Duong ^{[1
]}

Minh-Khai Nguyen ^{[2
]}

Wang, Caisheng ^{[1
]}

Bang Le-Huy Nguyen ^{[3
,4
]}

Cha, Honnyong ^{[5
]}

机构：

[1] Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USA

[2] Gen Motors, Warren, MI 48093 USA

[3] Duy Tan Univ, Sch Engn & Technol, Da Nang 550000, Vietnam

[4] Duy Tan Univ, Inst Res & Dev, Da Nang 550000, Vietnam

[5] Kyungpook Natl Univ, Sch Energy Engn, Daegu 41566, South Korea

来源：

IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS | 2024年 / 12卷 / 05期

基金：

美国国家科学基金会;

关键词：

High step-down; low voltage stress; phase shift full-bridge (PSFB) converter; soft switching; start-up; FULL-BRIDGE CONVERTER; REDUCED CIRCULATING LOSSES; VOLTAGE STRESS; DESIGN; RECTIFIER;

D O I：

10.1109/JESTPE.2024.3426932

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This article introduces a novel isolated high stepdown dc-dc converter. The introduced converter can offer the low voltage stress of power switches on the primary side. The introduced converter also achieves a zero-voltage-switching turnon for all power switches and avoids the transformer saturation problem. By using a split-capacitor double step-down structure, the introduced converter also reduces the input capacitance and eliminates the high voltage stress during the start-up process. The introduced converter is ready to be connected to a three-level NPC inverter with self-balanced voltages in two capacitors of the dc link. The operating principle and comparative study of the introduced converter are presented in detail. A 1-kW 400-/48-V laboratory prototype was implemented to validate the feasibility of the introduced converter.

引用

页码：4437 / 4446

页数：10

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