基于DSP的通用型小功率变频器设计  

Design of general purpose power converter based on DSP

作　　者：李娜[1] 李泽滔[1] 

机构地区：[1]贵州大学电气工程学院,贵阳550025

出　　处：《自动化与仪器仪表》2015年第5期37-38,41,共3页Automation & Instrumentation

摘　　要：为了提高电动机启动性能和改善运行稳定性,及提高电压利用率,对通用型小功率变频器进行设计,主电路采用三相桥式整流电路,以集成智能功率模块作为功率器件,以TMS320F28335为控制核心,结合电压空间矢量脉宽调制技术,实现异步电动机的变频调速。经仿真验证,系统运行稳定,响应快,而且电压利用率高,性价比高,在电气传动领域具有广阔的应用前景。In order to improve the motor starting performance and the stability of its operation and increase voltage utilization,this paper designs a general and small power inverter,and the main circuit adopts the three-phase bridge rectifier circuit and uses the integrated intelligent power module as the power device,using TMS320F28335 as the control core,combined with the voltage space vector pulse width modulation technology,which can achieve the variable frequency speed regulation of asynchronous motor.The simulation result shows that the control system runs stably,fast response,high utilization of voltage and cost-effective.The variable frequency speed regulating device can be widely used in electrical drive applications.

关 键 词：TMS320F28335 电压空间矢量脉宽调制 异步电动机 变频调速 

分 类 号：TM343[电气工程—电机]