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Okie
07-31-2012 09:36 AM

How to get high torque for AC drive in low frequency

We got a 5HP AC drive from yours.

We would like to get situation that from 1Hz we have high torque on the shaft. At this moment we can set this high torque from 3.01 Hz… (P0.19=30%) is it possible to get it from lower frequency?

Now, if the frequency is below 3Hz we can grab the shaft by hand and hold it or rotate in other direction. In case of setting sensorless vector mode in other inverters we can't do it.