155
7. Adjustment during Real sensorless vector control, Vector control, PM sensorless vector control
7.2 Excitation ratio
1
2
3
4
5
6
7
8
9
10
7.2
Excitation ratio
The excitation ratio can be lowered to enhance efficiency for light loads. (Motor magnetic noise can be reduced.)
NOTE
• When excitation ratio is reduced, output torque startup is less responsive.
Pr.
Name
Initial value
Setting
range
Description
854
G217
Excitation ratio
100%
0% to 100%
Set an excitation ratio when there is no load.
Sensorless
Sensorless
Sensorless
Vector
Vector
Vector
Excitation ratio
[%]
100
(Initial value)
Pr.854
setting
0
100
Load[%]
Содержание FR-E800
Страница 17: ...16 1 Introduction 1 3 Related manuals MEMO ...
Страница 51: ...50 2 Basic Operation 2 8 I O terminal function assignment MEMO ...
Страница 89: ...88 3 Parameters 3 4 Parameter list by function group number MEMO ...
Страница 135: ...134 5 Speed Control 5 9 Troubleshooting in the speed control MEMO ...
Страница 153: ...152 6 Torque Control 6 7 Troubleshooting in torque control MEMO ...
Страница 195: ...194 8 E Environment Setting Parameters 8 18 Current average value monitor signal MEMO ...
Страница 237: ...236 10 D Operation Command and Frequency Command 10 6 Operation by multi speed setting MEMO ...
Страница 339: ...338 13 T Multi Function Input Terminal Parameters 13 9 Start signal operation selection MEMO ...
Страница 455: ...454 16 G Control Parameters 16 13 Speed smoothing control MEMO ...
Страница 481: ...480 18 Appendix 18 4 Parameters functions and instruction codes under different control methods MEMO ...