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Speed drive - Speed range ATV

Goals and Symptoms

Speed drive - Speed range
ATV

Causes and Fixes

For a speed drive, the speed range is the ratio between the output maximum frequency and the minimum frequency where the nominal torque is available.

example for a 50Hz motor :

Speed range 1/50 means the drive is able to give the nominal torque between 1Hz to 50Hz.

Speed range 1/100 means the drive is able to give the nominal torque between 0.5Hz to 50Hz.

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