基于CRM下的BOOST变换器功率因数校正设计  

Design of Power Factor Correction Circuit of Boost Converter Based on CRM

作　　者：万智辉[1] 罗先喜[1] Wan Zhihui;Luo Xianxi(East China Institute of Technology, Jiangxi Engineering Research Center of New Energy Technology and Equipment,Nanchang Jiangxi 330013, China)

机构地区：[1]东华理工大学江西省新能源工艺及装备工程技术研究中心,江西南昌330013

出　　处：《萍乡学院学报》2016年第3期16-20,共5页Journal of Pingxiang University

基　　金：国家自然科学基金地区科学基金项目(61463003);江西省新能源工艺与装备工程技术研究中心开放基金(JXNE2014-14)

摘　　要：针对中小功率的有源功率因数校正,本文以BOOST变换电路为研究对象,分析了在CRM下功率因数校正电路的基本原理及结构,给出了电路设计的详细方案及主要参数的计算方法,研究了功率因数的控制特性,并对设计电路进行了结果仿真。仿真结果表明,电路输出电压稳定在400V,纹波电压小于5%,功率因数达0.98。Aiming at the problem of active power factor correction in small and medium-sized power, using the Boost conversion circuit as the research object, the paper analyzes the structure and the basic principle of power factor correction circuit based on CRM(critical conduction mode), offers the detailed scheme of circuit design and the calculation method of main parameters and studies the control characteristic of power factor. The result of the design of circuit is simulated and the simulation results show that the output voltage is stable in 400V,ripple voltage is less than 5%, and power factor is up to 0.98.

关 键 词：有源功率因数校正 CRM BOOST变换器 

分 类 号：TM46[电气工程—电器]