... DSP + MCU + IPM high performance, high reliability..Automatic identification of motor parameters, automatic temperature compansation.Start by excitation, speed ... wave can be up to 16k, carry out a comprehensive silent running.4. Widely used in:Metallurgy ... , under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, ...