基于IR1150的单周期控制PFC的原理与设计 无信号源的自激式激磁电源的设计 基于dsPIC30F2010控制光伏水泵变频器的研究 陀螺供电电源设计 -based on the single-cycle IR1150 PFC control theory and design of the signal source without the self-excited Exciting Power Based on the design of pumps dsP