基于空间电压矢量脉宽调制技术的感应电机变频调速系统研究

Induction motor variable frequency speed regulating system based on voltage space vector pulse width modulation technology

由于电压空间矢量脉宽调制(SVPWM)技术具有物理意义直观、数学模型简单、便于微处理器实时控制等优点,因此在电机控制中得到了广泛的应用。介绍了一种以数字信号处理器TMS320F2812为核心的感应电动机变频调速系统,采用SVPWM技术实现了对感应电机的变频调速控制。实验结果表明,采用SVPWM技术的感应电动机变频调速系统具有动态特性好、转矩脉动小、噪声低和电压利用率高等特点。

The voltage space vector pulse width modulation （SVPWM） technology has the advantages of intuitive physical meaning, simple mathematical models for the microprocessor, real-time control, and it is widely used in motor control. Induction motor variable frequency speed regulation system was introduced that based on a digital signal processor TMS320F2812 as the core, the variable frequency speed control of induction motor is used by SVPWM technology. The experimental results show that, the induction motor variable frequency speed regulation system using SVPWM technology has good dynamic performance, small torque ripple, low noise and high voltage utilization.