How is output KW measured in the ATV61 drive?
Resolution:
The power of motor is not measured by the drive. It is calculated from the measurement of motor current and the output speed (estimated in open load and measured in closed loop).
OPR = (Iq / Iqn) * (Spd / Nn) * (PhirdRef / Phirn) in %
With: Iq : Current torque provide by the command to drive motor
PhirdRef : Flux provide by the command to drive motor
Iqn : Nominal Current torque compute with the motor name plate
Spd : Spd of the rotor, estimated or measured
Nn : Nominal speed of motor name plate
Phirn : Nominal flux of the motor
If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:
Frequently Asked Questions - Schneider Electric (se.com)
If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us atdrive.products.support@se.comto create a case with our Technical Support Team.
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Released for: Schneider Electric Canada
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