宽范围输入双管正激变换器的辅助供电方法  

A Wide Range of High Voltage input Double Transistor Forward Converter Auxiliary Power Supply Method

作　　者：张杰[1] 刘翠翠 黎良杰 赵威 ZHANG Jie;LIU Cuicui;LI Liangjie;ZHAO Wei(Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy, Hubei University of technology,Wuhan 430068,China;Hubei Posts and Telecommunications Plan and Design Company,Ltd,Wuhan 430024,China;Hubei Electric Power Company,Sui Zhou 441300,China)

机构地区：[1]湖北工业大学太阳能高效利用湖北省协同创新中心,湖北武汉430068 [2]湖北邮电规划设计有限公司,湖北武汉430024 [3]湖北省电力公司随州供电公司,湖北随州441300

出　　处：《湖北工业大学学报》2018年第2期36-39,共4页Journal of Hubei University of Technology

摘　　要：针对供电问题的分析,提出将buck电路应用于辅助绕组的稳定供电方案。研制一款300V≤Vin≤800V,输出VDC=24V/5A的双管正激变换器。辅助绕组加入buck电路前后供电电压实验结果及分析,验证本方案适合应用于宽范围高输入变换器。Based on the analysis of the power supply problem,a stable power supply scheme is proposed in which a buck circuit is applied to an auxiliary winding.A double transistor forward converter has been developed with 300~800 V input and 24 V/5 A output.The experimental results and analysis of the supply voltage before and after the auxiliary winding is added to the buck circuit verify that this scheme is suitable for a wide range of high input converters.

关 键 词：双管正激变换器 宽范围输入 辅助绕组供电 BUCK电路 

分 类 号：TN86[电子电信—信息与通信工程]