YASKAWA FSDrive-MV1000 Parameter Manual page 201

Figure 2.72
Setting 2: Intelligent Stall Prevention
When L3-02 = 2, the drive will disregard the selected acceleration time and try to accelerate in the minimum time. The
acceleration rate is adjusted so that the current does not exceed the value set in parameter L3-02.
L3-02: Stall Prevention Level during Acceleration
■
Sets the output current level at which the Stall Prevention during acceleration is activated.
No.
L3-02 Stall Prevention Level during Acceleration
• Stalling may occur when the motor is rated at a smaller capacity than the drive and the Stall Prevention default settings
are used. Set L3-02 as appropriate if stalling occurs.
• When operating the motor in the constant power range, also set parameter L3-03.
L3-03: Stall Prevention Limit during Acceleration
■
The Stall Prevention level is automatically reduced when the motor is operated in the constant power range.
L3-03 sets the lower limit for this reduction as a percentage of the drive rated current.
No.
L3-03 Stall Prevention Limit during Acceleration
Figure 2.73
YASKAWA ELECTRIC EZZ010930 FSDrive-MV1000 Parameter Guide
Output current
Stall Prevention Level
During Acceleration
L3-02
L3-02
-15%
Output frequency
Controls the output frequency
to prevent the motor from stalling
Figure 2.72 Stall Prevention during Acceleration for Induction Motors
Name
Name
Stall Prevention level during Acceleration
E1-06
Base frequency
Figure 2.73 Stall Prevention Level and Limit During Acceleration
Setting Range
0 to 150%
Setting Range
0 to 100%
L3-02
L3-03
Output frequency
2.8 L: Protection Functions
Time
Time
Default
120%
Default
50%
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