Installation Manual

Startup
54 9000X AF Drives MN04001004E—May 2011 www.eaton.com
Slip Compensation in Open Loop
The drive uses motor torque and motor nominal RPM to
compensate slip. If motor nominal RPM is 1710 -> nominal
slip is 90 RPM, and when motor torque is 50% slip is
45 RPM. To keep reference, speed drive must increase
output frequency by:
OL Speed Control Off OL Speed Control On
.
50%*90 RPM
1800 RPM
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* 60.00 Hz 1.50 Hz=
T
N
1/2
Slip
T
N
1/2
Slip