5.12 Energy Saving Operation
5.12.1 Manual Energy Saving Operation
If the inverter output current is lower than the current which is set at bA.14 (Noload
Curr), the output voltage must be reduced as low as the level set at Ad.51 (Energy
Save). The voltage before the energy saving operation starts will become the base
value of the percentage. Manual energy saving operation will not be carried out during
acceleration and deceleration.
5.12.2 Automatic Energy Saving Operation
The amount of energy saving can be automatically calculated based on the rated
motor current (bA.13) and the no-load current (bA.14). From the calculations, the
output voltage can be adjusted.
If operation frequency is changed or acceleration and /deceleration is carried out by a stop
command during the energy saving operation, the actual Acc/Dec time may take longer
than the set Acc/Dec time due to the time required to return to the general operation from