YASKAWA Varispeed E7 Instruction Manual And Parameter Description page 156

Setting Precautions
If the motor capacity is small compared to the Inverter capacity or if the inverter is operated using the fac-
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tory settings and the motor stalls, lower the set value of L3-02.
If using the motor in the constant output range, L3-02 will be automatically lowered to prevent stalling. It
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will be reduced to a fixed value of 50 % of the inverter rated current.
Set the constants as a percentage taking the inverter rated current to be 100%.
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Stall prevention level during
acceleration
Fig 6.19 Stall Prevention Level and Limit During Acceleration
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E1-06
Base Frequency (FA)
Acceleration and Deceleration Characteristics
L3-02 (Stall Prevention Level during
Acceleration)
50 % of inverter rated current
Output frequency
19
6-