基于L4981A的车载充电机APFC装置的研制  

Development of Car APFC Device on-Borad Charger based on L4981A

作　　者：梅建伟[1] 蒋伟荣[1] 程登良[1] 张凯[1] 

机构地区：[1]湖北汽车工业学院电气与信息工程学院,湖北十堰442002

出　　处：《电源技术应用》2013年第1期15-18,共4页Power Supply Technologles and Applications

摘　　要：介绍了研制的一种电动汽车用车载充电机的功率因素校正装置，主回路采用Boost型变换器，以L4981A作为功率因素校正的控制核心，对系统的主回路的参数进行了计算，设计了硬件的控制电路。样机实验结果表明，该系统获得了较高的功率因素和较好的动态性能，可靠性高。The Power factor correction device on-borad chargerfor electric vehicles was developed. The main circuit using the Boost type use the L4981A as power factor correction control core. The main circuit of the system parameters were calculated and hardware control circuit is designed. Prototype experimental results show that the system have a high power factor and better dynamic performance.

关 键 词：APFC BOOST变换器 L4981A 前馈补偿 

分 类 号：TM46[电气工程—电器]