Danfoss VLT Automation VT Drive FC 322 Programming Manual page 43

VLT Automation VT Drive FC322
Programming Guide
[3] * Auto energy optim. VT
2.3.2 1-2* Motor Data
Parameter group 1-2* comprises input data from the nameplate on the connected motor.
Parameters in parameter group 1-2* cannot be adjusted while the motor is running.
NB!
Changing the value of these parameters affects the setting of other parameters.
1-20 Motor Power [kW]
Range:
Application [Application dependant]
dependent*
1-21 Motor Power [HP]
Range:
Application [Application dependant]
dependent*
1-22 Motor Voltage
Range:
Size rela- [200 - 1000 V]
ted*
This parameter cannot be adjusted while the motor is running.
1-23 Motor Frequency
Range:
Application [20 - 1000 Hz]
dependent*
NB!
This parameter cannot be adjusted while the motor is running.
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Automatic Motor Adaptation (AMA). It is very rarely necessary to adjust the motor power factor
parameter manually.
For optimum energy efficient speed control of centrifugal pumps and fans. Provides a voltage which
is optimized for a squared torque load characteristic of the motor but in addition the AEO feature
will adapt the voltage exactly to the current load situation, thereby reducing energy consumption
and audible noise from the motor. To obtain optimal performance, the motor power factor cos phi
must be set correctly. This value is set in par. 14-43, Motor cos phi. The parameter has a default
value and is automatically adjusted when the motor data is programmed. These settings will typically
ensure optimum motor voltage but if the motor power factor cos phi requires tuning, an AMA func-
tion can be carried out using par. 1-29, Automatic Motor Adaptation (AMA). It is very rarely neces-
sary to adjust the motor power factor parameter manually.
Function:
Function:
Function:
Enter the nominal motor voltage according to the motor nameplate data. The default value corre-
sponds to the nominal rated output of the unit.
Function:
Select the motor frequency value from the motor nameplate data.For 87 Hz operation with 230/400
V motors, set the nameplate data for 230 V/50 Hz. Adapt par. 4-13
[RPM] Maximum Reference
and par. 3-03
MG.20.W1.22 - VLT is a registered Danfoss trademark
2 Parameter Description
Motor Speed High Limit
to the 87 Hz application.
2
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