【摘要】 介绍了一种基于DSP交流电动机VVVF控制系统设计方案 ,采用SVPWM控制策略 ,具有过调制功能 ,当母线电压波动时 ,能使PWM波形输出稳定 ,实验波形显示该系统具有较好的性能。更多还原

【Abstract】 A proposal of variable frequency control system of AC induction motor based on DSP is presentd.The control system adopts SVPWM method with over modulation functiom and can keep PWMwaveform output constant in case of a voltage supply variation.The experimental waveform shows the systerm has good performance.更多还原