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Energy saving calculators
This feature consists of the following functionalities:
• An energy optimizer that adjusts the motor flux in such a way that the total
system efficiency is maximized
• A counter that monitors used and saved energy by the motor and displays
them in kWh, currency or volume of CO
2
emissions, and
• A load analyzer showing the load profile of the drive (see separate section on
page 138.
Note: The accuracy of the energy savings calculation is directly dependent on the
accuracy of the reference motor power given in parameter 45.19.
Settings and diagnostics
Parameter group: 45 Energy efficiency (page 447).
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Load analyzer
Peak value logger
The user can select a signal to be monitored by a peak value logger. The logger
records the peak value of the signal along with the time the peak occurred, as well
as motor current, DC voltage and motor speed at the time of the peak. The peak
value is sampled at 2 ms intervals.
138 Program features
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