摘要
空间矢量脉宽调制(SVPWM)技术运用于变频调速系统具有直流电压利用率高,功率器件的开关损耗小,电流谐波抑制效果好等明显优势。本文给出了一个以TMS320LF2407A型数字信号处理(DSP)芯片为控制核心的矿用鼓风机SVPWM变频调速系统,对系统的硬件部分包括主电路、电源转换电路和转速检测电路等进行了设计和参数计算,并给出了软件设计。理论分析和实验表明,该变频调速方法用于矿山鼓风机负载具有可行性。
SVPWM technology applied in variable frequency speed regulation system have high DC voltage utilization,little switch loss and small harmonic current advantages.In this paper,a SVPWM variable frequency speed regulation system of mine blower employing a core TMS320LF2407A-type DSP chip was presented,and designed circuit structure and components parameter for main circuit,power-switching circuit,speed detection circuit and soft part.Theoretical analysis and experiment show that the variable frequency speed regulation method is especially suitable for mine blower load.
作者
李瑾
Li Jin(School of Mechanical&Electrical Engineering,Nanchang Institute of Technology,Nanchang 330099)
出处
《冶金设备》
2020年第6期1-3,26,共4页
Metallurgical Equipment
基金
国家自然科学基金项目(NO51667015)。
