HV580L Series Frequency Inverter
143
P9-03
Overvoltage stall gain
Default
0
Setting Range
0 (no stall overvoltage)
~
100
P9-04
Overvoltage stall protective voltage
Default
130%
Setting Range
120%
~
150%
When the DC bus voltage exceeds the value of P9-04 (Overvoltage stall protective voltage) during
deceleration of the AC drive, the AC drive stops deceleration and keeps the present running frequency. After
the bus voltage declines, the AC drive continues to decelerate.
P9-03 (Overvoltage stall gain) is used to adjust the overvoltage suppression capacity of the AC drive. The
larger the value is, the greater the overvoltage suppression capacity will be.
In the prerequisite of no overvoltage occurrence, set P9-03 to a small value. For small-inertia load, the value
should be small. Otherwise, the system dynamic response will be slow. For large-inertia load, the value should
be large. Otherwise, the suppression result will be poor and an overvoltage fault may occur.
If the overvoltage stall gain is set to 0, the overvoltage stall function is disabled.
P9-05
Overcurrent stall gain
Default
20
Setting Range
0
~
100
P9-06
Overcurrent stall protective current
Default
150%
Setting Range
100%
~
200%
When the output current exceeds the overcurrent stall protective current during acceleration/deceleration of
the AC drive, the AC drive stops acceleration/deceleration and keeps the present running frequency. After the
output current declines, the AC drive continues to accelerate/decelerate.
P9-05 (Overcurrent stall gain) is used to adjust the overcurrent suppression capacity of the AC drive. The
larger the value is, the greater the overcurrent suppression capacity will be. In the prerequisite of no
overcurrent occurrence, set P9-05 to a small value.
For small-inertia load, the value should be small. Otherwise, the system dynamic response will be slow. For
large-inertia load, the value should be large. Otherwise, the suppression result will be poor and overcurrent
fault may occur.
If the overcurrent stall gain is set to 0, the overcurrent stall function is disabled.
P9-07
Short-circuit to ground upon power-on
Default
1
Setting Range
0: Disabled; 1: Enabled
It is used to determine whether to check the motor is short-circuited to ground at power-on of the AC drive. If
this function is enabled, the AC drive's UVW will have voltage output a while after power-on.