说明：  将三相电流实施坐标变换后得到了M-T坐标系下的电流反馈值，再经过PID调节后，形成了电流闭环控制；且定子电流通过反变换后得到静止两相坐标系的定子电压给定值，再经过SVPWM控制逆变器，得以输出三相电压
(The feedback value of the current in the M-T coordinate system is obtained after the coordinate transformation of the three-phase current. After PID adjustment, the current closed-loop control is formed.The stator current is inversely transformed to obtain the stator voltage value of the static two-phase coordinate system, and then the three-phase voltage can be output by the SVPWM controlled inverter)