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What is the speed accuracy of an ATV32 drive in open and closed loop configuration?

Issue:
What is the speed accuracy of an ATV32 drive in open and closed loop configuration?

Product Line:
Altivar 32 series drives

Environment:
All models, All serial numbers.

Cause:
Information not found in the installation or programming manuals.

Resolution:
For Asynchronous Motors, the Speed Accuracy is +/- 10 % of nominal slip for 0.2 Tn to Tn torque variation.
For Synchronous Motors, the speed given by the drive will be the speed of the motor because the rotor does not slip and turns at the same frequency as electrical frequency of the stator.
 

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