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一种新的恒频软开关变流器
引用本文:周令琛.一种新的恒频软开关变流器[J].电力电子技术,2008,42(1):1-3.
作者姓名:周令琛
作者单位:上海第二工业大学,上海,201209
摘    要:提出了一种新的恒频隔离式变流器,该变流器采用1个耦合电感来实现整个线路和负载范围内主开关的零电压切换.由于该耦合电感并未以1个串联电感的形式出现在负载电流通道内,故不会产生负载的周期损耗.也不会在输出整流器两端产生严重的电压振荡.该变流器的性能在1个1 kW的实验原型电路中得到了证实.

关 键 词:变流器/软开关  恒频  恒频  软开关变流器  Converter  电路  原型  实验  性能  电压振荡  严重  整流器  输出  损耗  周期  电流通道  负载范围  串联电感  零电压切换  主开关  线路  耦合电感
文章编号:1000-100X(2008)01-0001-03
修稿时间:2007年8月9日

A New Constant-frequency Isolated Soft-switched Converter
ZHOU Ling-chen.A New Constant-frequency Isolated Soft-switched Converter[J].Power Electronics,2008,42(1):1-3.
Authors:ZHOU Ling-chen
Abstract:A new constant-frequency isolated converter was introduced in which a coupled inductor was used to achieve zero-voltage switching(ZVS) of the primary switches in the entire line and load range.Since the coupled inductor didn't appear as a series inductance in the load current path,it didn't cause a loss of duty cycle or severe voltage ringing across the output rectifiers.The operation and performance of the proposed converter are verified on a 1 kW prototype.
Keywords:converter / soft switching  constant-frequency
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