摘要
重点研究了有源功率因数校正开关变流器的拓扑和DPS系统的数字控制。分析和研究了三电平Boost PFC变流器主电路工作特征,以及在解决功率器件承受高电压应力、系统的整体损耗、磁性器件的选择等方面所具有的优势;提出了采用改进的预测控制算法控制的三电平BoostPFC变换器方案。最后,给出了电路分析、设计,以及实验分析结果。
This work was focused on the study of PFC topologies and digital control of DPS system.The analysis about the working features of main circuit of tri-level boost PFC converter and the advantages in aspects of bearing high-voltage of power components,overall system loss and magnetic component selection based upon the single-level boost PFC switch converter were given.Besides,the adoption of modified scheme of tri-level boost PFC converter under the control of predictive control algorithm was presented.Finally,the analysis and design,and the results of experiment were given.
出处
《低压电器》
北大核心
2007年第21期8-12,59,共6页
Low Voltage Apparatus
基金
广东省科技计划项目资助(2001C32706)
关键词
拓扑
多电平控制策略
有源功率因数校正
开关变流器
预测控制
topologies
multi-level control strategies
power factor correction(PFC)
switching converter
predictive control
