F495(Over Modulation / Maximum Voltage Adjustment); Parameter Setting; Parameter Adjustment - Toshiba VFAS1 Instruction Manual

2.5 F495(over modulation / maximum voltage adjustment)

2.5.1 Parameter setting

parameter
F495

2.5.2 Parameter adjustment

To increase maximum torque at nominal point, increase of F495 is effective.
problem
- Out put voltage is reduced at field
weakening area.
- Motor current is increased at field
weakening area.
function
over modulation / maximum voltage
adjustment
range
0:Normal
1 :Straight 100%
2 : 102.5%
3 : 105%
countermeasure
To increase F495
7
Ｅ６５８１９４７
Default setting
0
Side effect
- Motor is oscillated at field
weakening area
In this case,
to decrease F458
(*1)
from 0 up to 25