104
Stall Prevention during Operation
Stall Prevention Above Base Speed During Run (n115)
The stall prevention level can be decreased automatically in the constant
output range.
n115 Settings
Constant
No.
Name Unit Setting
Range
Factory
Setting
n115 Stall Prevention Above
Base Speed During Run
- 0=Disabled
1=Enabled
0
Setting Function
0 The stall prevention level is the level set for constant n094
in all frequency areas.
1 The following figure shows how the stall prevention level is
automatically decreased in the constant output range
(Max. frequency > Max. voltage output frequency (n013)).
The lower limit is 40% of the set value of n094.
*
1
:
*
2
:
Decreases frequency to prevent the motor
from stalling.
At start of acceleration, the output current
hysterisis is approx. 5% of Inverter rated
current.
Motor Current
Time
Time
*
1
*
2
n094
Output
Frequency
100 ms
Constant Output Area
Operation Level
n094
40% of n094
n013
Output Frequency
Lower Limit
n094
Max. Voltage Output Frequency n013
Operation Level
Output Frequency
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