Mitsubishi Electric FR-E800 Series Instruction Manual page 156

7.2
Excitation ratio
Sensorless Sensorless Sensorless Vector Vector Vector
The excitation ratio can be lowered to enhance efficiency for light loads. (Motor magnetic noise can be reduced.)
Pr. Name
854
Excitation ratio
G217
Excitation ratio
[%]
100
(Initial value)
Pr.854
setting
0
NOTE
• When excitation ratio is reduced, output torque startup is less responsive.
Setting
Initial value
range
100% 0% to 100%
100 Load[%]
7. Adjustment during Real sensorless vector control, Vector control, PM sensorless vector control
Description
Set an excitation ratio when there is no load.
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7.2 Excitation ratio