摘要
提出了一种最有应用前途的高频智能快速充电器,由多环节功率变换单元组成,能量双向流动。分析了其工作原理,介绍了主电路的设计及参数计算。基于DSP给出了系统的硬件和软件实现方案,实现了变电流智能快速充电放电方法。实验表明,该充电器自动匹配最佳充电曲线,实现了快速充电,性能指标优越,可以在行业内推广应用。
Presents a most promising high-frequency smart fast charger consisting of a multi link power conversion unit with bidirectional energy flow. The working principle is analyzed,and the design of main circuit and the selection of parameters are introduced. The hardware and software implementation scheme of the system is given based on DSP,and the intelligent discharging method with variable current is realized. The experiment shows that the charger can automatically match the best charging curve and realize fast charging. The performance index is superior,and it can be popularized and applied in the industry.
引文
[1]周志敏,周纪海,纪爱华.充电器电路设计与应用[M].北京:人民邮电出版社,2005.
[2]王者恭.铅蓄电池的运行和维护[M].北京:水利电力出版社,2006.
[3]邓永红,许明艳,李学哲,等.新型矿用铅酸蓄电池高频智能充电器研究[J].煤炭工程,2015,47(3):132-134.
[4]郑征,葛广凯.三相PWM整流器交流侧电感的设计[J].电气传动,2011,41(3):24-27.
[5]关宁,王亚清,梁美玉.基于矢量控制技术的PWM整流器设计[J].煤炭技术,2011,30(1):48-50.
[6]周卫平,吴正国,唐劲松,等.SVPWM的等效算法及SVPWM与SPWM的本质联系[J].中国电机工程学报,2006,26(2):133-137.
[7]郝振宇,王洪庆.基于DSP的移相全桥变换器的研究[J].电气传动,2007,37(1):26-29.