基于调频压配合控制原理的矢量控制系统

Vector control system bassed on the cooperation control principle of variable frequency and voltage regulating

阐述了基于调频调压配合控制原理的矢量控制系统的工作原理。该系统很好地解决了一般变频调速系统难于实现电机在各种运转情况下磁通恒定的问题。采用变频IC实现SPWM控制信号的产生 ,使整个系统的硬件电路得以简化。采用工控PC机控制 ,使矢量控制思想易于实现、工作可靠 ,系统具有良好的性能。

The working principle of vector Control system based on the cooperation control principle of variable frequency and voltage is discussed .The system solves the problems of ordinary variable frequency regulating speed system about magnetic_flux unchanged in various SPWM control signal,and simplifies the hardware circuit of system .The vector control can be easily realized and reliable by using industrial PC control.The system has good performance.