电子器件2024，Vol.47Issue(2)：384-390,7.DOI:10.3969/j.issn.1005-9490.2024.02.014
一种低谐波高效率CRM BOOST PFC变换器
A Low Harmonic High Efficiency CRM BOOST PFC Converter
摘要
Abstract
In order to solve the contradiction between the total harmonic distortion(THD)of input current and the operation efficiency of Boost power factor correction(PFC)converter at half load in critical conduction mode(CRM),based on the traditional resonance time control,a partial resonance time control method is proposed.The improvement effect of the partial resonance time control on the input current THD and the working efficiency of the converter is analyzed.By properly adjusting the reverse resonance time,the control signal by a digital signal processor DSP28032 is used to determine the turn-on time of the switching tube.Finally,an experimental prototype of a 400 W single-phase CRM Boost PFC converter is established.The experimental results show that the proposed control method can re-duce the THD value effectively and ensure the working efficiency of the converter.关键词
PFC变换器/临界导通模式/电流谐波/部分谐振时间控制Key words
PFC converter/critical conduction mode(CRM)/current harmonics/partial resonance time control分类
信息技术与安全科学引用本文复制引用
邓洲,刘光军,张恒,吴思齐..一种低谐波高效率CRM BOOST PFC变换器[J].电子器件,2024,47(2):384-390,7.基金项目
湖北工业大学襄阳产业研究院项目(XYYJ2022C01) （XYYJ2022C01）
