大功率高频开关电源在矿井提升机上的应用研究

摘要

介绍一种利用大规模SPWM芯片SA866AE和智能功率模块IPM研制的大功率开关电源,并把它应用于矿井交流提升机的制动阶段,可获得很好的制动性能和经济效益.阐述了这种电源的主电路结构,控制策略及实验波形.%This paper presents a large-scale SPWM using chips SA866AE and intelligent power module IPM developed high-power switching power supply, and to apply it to the exchange of mine hoist braking stage, the availability of good braking performance and economic benefits. This paper describes the main circuit of this power structure, control strategy and experimental waveforms.