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5.31 ENERGY SAVING CONTROL
B.
Energy Saving Search Operation
In energy saving control mode, the maximum applicable voltage is calculated using the output
power. However, a temperature change will change the fixed constants and the maximum applicable
voltage may not be obtained.
n144: Voltage limit of tuning
Limits the range where the voltage can be controlled. Search operation is disabled when n144 is set
to 0.
n145: Step Voltage of tuning to 100 % output voltage
n146: Step voltage of tuning to 5 % output voltage
n143: Time of average KW
Parameter n145 & n146 sets the voltage fluctuation for one cycle of the search operation.
Increasing the values will also increase the fluctuation of the rotation speed. The value calculated by
linear interpolation is set for voltages other than above.
Continued
Factory Setting: 0%
Range: 0 or 100%
Factory Setting: .5%
Range: 0.1 or 10%
Factory Setting: .2%
Range: 0.1 or 10%
Factory Setting: 1 (x24)
Range: 1 to 200 (x24)
5-54
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