Perfect Current Vector Control By means of simultaneously controlling the primary current and its phase, the magnetic field current and torque current can be controlled respectively and individually to obtain a smooth run, a speed control and torque control with high torque and high precision at a very low speed Various Control Functions PID control, slip compensation function, speed search, over/lower torque detection and energy-saving operation control function Excellent Torque Characteristics Even if without PG, a high torque of 150%/0.5Hz can be reached Powerful Braking Function Powerful braking function can be fulfilled with built-in braking units for the inverter below 15kw and external braking resistors for that above 15kw Hi-efficiency Energy-saving control Wonderful energy-saving function beyond imagination, the hi-efficiency energy-saving control reaches the maximum effect in theory.