A critical evaluation of high power hard and soft switched isolated DC-DC converters

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1042731

M. Aydemir, A. Bendre, G. Venkataramanan

引用次数: 32

Abstract

Realization of high power isolated DC-DC converters is largely dependent on managing converter parasitics and losses. In this paper, four different DC/DC converter topologies are compared in terms of their losses. The topologies include hard switched half bridge, switched snubber half bridge, zero voltage switching phase shifted full bridge and loss limited (semi soft switched) full bridge converters. These topologies have been designed to obtain 350 V 300 A DC output from a 650 V DC input at 20 kHz switching frequency. Design results and loss evaluations are presented.

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高功率硬开关和软开关隔离DC-DC变换器的关键评估

大功率隔离型DC-DC变换器的实现很大程度上取决于变换器的寄生和损耗控制。在本文中，比较了四种不同的DC/DC转换器拓扑结构的损耗。拓扑结构包括硬开关半桥、开关缓冲半桥、零电压开关移相全桥和限损(半软开关)全桥变换器。这些拓扑结构设计用于在20khz开关频率下从650v直流输入获得350v 300a直流输出。给出了设计结果和损失评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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