INVT Goodrive3000 GD3000-01-055G-12 Operation Manual page 199

Goodrive3000 series medium voltage inverters
Check item
For public
use
Conductor
and cable
Main Terminal
block
circuit
Bus
capacitor
Transformer
and reactor
Contactor
and relay
Control
Control
board and
circuit
terminal
Cooling Cooling fan
Check content
4. No color-changing caused by
overheat
5. No dust or other surface adhesive
materials
1. No loose or missing fastening screws
2. No distortion, crackles, damage or
color-changing caused by overheating
and aging to the machine and insulator
3. No dust or other surface adhesive
materials
1. No distortion or color-changing of the
conductors caused by overheat
2. No damage, crackles or
color-changing to the protective layers
The terminal block is not broken
1. No weeping, color-changing, crackles
and casing expansion
2. The safety valve is in the right place
3. If necessary, measure the
capacitance.
No abnormal vibration, noise and odor
1. No abnormal sound when the relay
and contactor act
2. The contacts are not rough
1. No loose screws and connecting
cables
2. No abnormal odor and color-changing
parts
3. No collision, crackles, distortion or
obvious rust
4. No capacitors in weeping and
distortion
1. No abnormal noise or overheat
-198-
Maintenance guidelines
Check
Criterion
method
again
3. Visual
examination
4. Visual
examination
5. Visual
examination
NA
Note: if the color
1. Tighten up of the copper
2. Visual blocks change, it
examination does not mean
3. Visual that there is
examination something
wrong with the
features.
Visual
NA
examination
Visual
NA
examination
1. NA
2. NA
The capacitance
1, 2. Visual
is above or
examination
equal to the
original
value*0.85.
Hearing, visual
examination, NA
smelling
1. Hearing
2. Visual NA
examination
1. Tighten up
2. Smelling,
visual
examination
NA
3. Visual
examination
4. Visual
examination
1. Hearing, 1. The fan runs