1。定时器1的中断始终进去，用于检测电流和欠过压；定时器2只有在电机启动后才允许进入，电机接到停止命令后，定时器2也就进不去了。 2。IER在中断里将某位置0无作用，中断照样进去；需在主程序里将其置为0。或者采用将PIEIER中相应位置为0。-1. Timer 1 interrupt always get used to detect over-voltage current and underdeveloped Timer 2

关于永磁同步电机DTC系统的无速度传感器，效果还可以-On permanent magnet synchronous motor DTC system without a speed sensor, the effect can also be

this is a dtc control system and it with sensorle-this is a dtc control system and it with sensorless