摘要
本文针对市场上变频调速实验装置的缺点,通过分析转差频率控制原理,将调速系统合理的模块化,采用单片机AT89C51控制SA8282芯片的方法产生SPWM波形,结合PI调节器构成结构较为简单的闭环控制实验系统,实现转差频率控制变频调速实验。
In order to avoid the defects of experiment devices in the market,the speed regulating system was modu- larized by analysed the theory of slip frequency control in this paper. PI adjusters were used ,SPWM waveforms were peoduced by SA8282 which controlled by AT89C51 microcontroller. The experiment system was designed with simple structure and with Closed-loop Control system in this paper, and then the experiment of slip frequency controlled variable frequency speed regulating system was realized.
出处
《光机电信息》
2008年第4期31-34,共4页
OME Information
关键词
卑片机
转差频率
变频调速
SPWM
microcontroller
ship frequency
variabh, frequency speed regulating
SPWM
