INVT Goodrive GD300-19-004G-4, Руководство по эксплуатации

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Goodrive300-19 series open loop vector inverter special for hoist Maintenance and hardware diagnosis
-203-
Checking Item Method Criterion
something wrong
with the features.
Lead of
conductors
Ensure that there is no
distortion or color-changing
caused by overheat to the
conductors.
Visual examination NA
Ensure that there are no
crackles or color-changing to
the protective layers.
Visual examination
NA
Terminals
seat
Ensure that there is no
damage.
Visual examination
NA
Filter
capacitors
Ensure that there is no
leakage, color-changing,
crackles or casing expansion.
Visual examination
NA
Ensure the safety valve is in
the right place.
Estimate the life time
according to the
maintenance or
measure the
electrostatic capacity
NA
If necessary, measure the
electrostatic capacity.
Measure the capacity
by instrument
The capacity is
above or equal to
the original value
*0.85.
Resistors
Ensure whether there is
replacement and splitting
caused by overheat.
Smelling and visual
examination
NA
Ensure that there is no offline.
Visual examination or
remove one end to
coagulate or measure
with multimeter
The resistance is in
±10% of the
standard value
Transformer
and reactor
Ensure there is no abnormal
vibration, noise or smelling
Hearing, smelling and
visual examination
NA
Electro- Ensure whether there is Hearing
NA