Jan. 4, 2005
Sensorless drives tune themselves
Sensorless Vector AC Drives
The Durapulse series of sensorless vector AC drives are available in 1–100 hp models. They have autotuning, 150% starting torque, 150% rated current for one minute, automatic torque and slip compensation, internal dynamic braking circuit, and programmable jog speed. The drives come with 0–10 V, -10–+10 VDC or 4–20 mA analog outputs, 16 preset speeds, 11 programmable digital inputs, four programmable outputs and one analog output. Prices range from $289 to $3,999.