Vfd Overheating; Motor Stalls During Acc - INVT Goodrive3000 Series Operation Manual

Goodrive3000 series medium voltage VFD

6.3.6 VFD overheating

6.3.7 Motor stalls during ACC

If it is a VFD fault or
interference, contact
our company
VFD overheating
Whether the load is too
heavy or the capacity of
the VFD is too small?
No
Whether the ambient
temperature is too
high?
No
Whether the fan of
the VFD emits an
unusual sound?
No
Whether the heat sink
is blocked?
No
Whether the carrier
frequency is too high?
No
If it is a VFD fault,
contact our company
terminals of the motor with a
multimeter. Whether the voltage
is within the defined range?
Reduce the torque of
Yes
the load and
过电流
increase the capacity
of the VFD
Whether the
No Yes
torque boost
is too high?
Yes
Modify the torque
boost
Reduce the load and
Yes
increase the capacity
of the VFD
Yes
Add a cooling device
or derate the VFD
Yes
If it is a VFD fault,
contact our company
Clean the heat sink to
Yes
improve the cooling
conditions
Yes
Reduce the carrier
frequency
Motor stalls during
ACC
Yes
Whether the ACC Increase the ACC
time is too short?
No
Check the voltage of the
Yes
Use larger cables, shorten the
wiring distance, adjust the voltage
drop of the output reactor, etc.
No
Whether the load
Yes
or inertia is too
large?
No
Whether the load
torque is too large?
No
Whether it is V/F
control?
No
Whether parameter
No
autotuning is
performed?
Yes
If it is a VFD fault or
interference, contact our
company
-144-
Goodrive3000 inverter
time
Yes
Whether a special Contact our
motor is used? company
No
Reduce the inertia of
the load and
increase the capacity
of the VFD
Overcurrent