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一种新型预偏置负载启动电路设计
引用本文:胡春玉,孙亚萍,李静.一种新型预偏置负载启动电路设计[J].电源技术,2011,35(9):1151-1153.
作者姓名:胡春玉  孙亚萍  李静
作者单位:1. 江苏海事职业技术学院电气工程系,江苏南京,211170
2. 杭州师范大学钱江学院信息与机电工程分院,浙江杭州,310036
基金项目:杭州师范大学钱江学院科学研究资助项目(2010-QJJL04)
摘    要:为防止单个直流变换器在启动过程中对多电源单节点上的电容进行放电而引起的节点电压不稳定和启动电压震荡,设计了一种简单可靠的直流变换器预偏置负载启动电路.该电路利用晶体管的电流控制特性来检测直流变换器和预偏置负载间的压差,控制开关管的导通和关断,来实现预偏置负载软启动,同时,可以通过合理选择电路参数来优化预偏置负载启动.具...

关 键 词:直流变换器  预偏置负载  软启动

Design of a novel pre-bias startup circuit
HU Chun-yu,SUN Ya-ping,LI Jing.Design of a novel pre-bias startup circuit[J].Chinese Journal of Power Sources,2011,35(9):1151-1153.
Authors:HU Chun-yu  SUN Ya-ping  LI Jing
Affiliation:HU Chun-yu1,SUN Ya-ping 2,LI Jing 2(1.Jiangsu Maritime Institute,Nanjing Jiangsu 211170,China,2.Information and Engineering institute,Qianjiang College,Hangzhou Normal University,Hangzhou Zhejiang 310036,China)
Abstract:A novel DC-DC converter pre-bias startup circuit was presented to meet the need of voltage stability in the multi-power system.The pre-bias soft-startup circuit was realized by controlling transistor switch on/off to detect the dropout voltage between DC-DC converter and the pre-bias load.Moreover,the performance could be optimized through choosing appropriate parameters.This pre-bias startup circuit,widely used in multi-power field,has the advantages of simple realization,low cost,and high reliability.
Keywords:DC-DC converter  pre-bias load  soft startup  
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