|
Serial number |
Maintenance item name
|
Remarks
|
|
1
|
Auxiliary equipment inspection and maintenance
|
(1) External deformation, corrosion, and cleaning of harmful substances;
(2) Correction of wiring, copper bars, optical fibers, etc.
(3) Resistance and component inspection and maintenance
(4) Inspection and maintenance of sensors, transformers and other equipment components
(5) Electrical insulation distance detection and maintenance
(6) Fan performance testing and maintenance
|
|
2
|
Dry-type phase-shifting transformer inspection and maintenance
|
(1) Insulation detection
(2) High-voltage coil inspection and maintenance
(3) Low-voltage coil inspection and maintenance
(4) 380V winding inspection and maintenance
(5) Temperature controller and temperature detection loop detection and maintenance
(6) Lightning protection device detection and maintenance
(7) Air duct baffle; inspection and maintenance of air inlet and outlet systems
(8) Transformer grounding performance testing and maintenance
|
|
3
|
Power unit inspection and maintenance
|
(1) Main control board inspection and maintenance
(2) Drive board inspection and maintenance
(3) Inspection and maintenance of rectifier bridge
(4) IGBT inspection and maintenance
(5) Electrolytic capacitor capacity detection and maintenance
(6) Detection and maintenance of voltage equalization resistance, absorption capacitor, etc.
(7) Inspection and maintenance of other components inside the power unit
(8) Power unit aging, damage test, maintenance.
|
|
4
|
Control system inspection and maintenance
|
(1)Main control system inspection and maintenance
(2) Power system inspection and maintenance
(3) Communication system inspection and maintenance
(4) Sampling system inspection and maintenance
(5) Parameter tuning, etc.
(6) Main control system cable, component calibration, inspection and maintenance
|
|
5
|
Equipment overall inspection and maintenance
|
(1) Insulation test inspection and maintenance
(2) Functional test inspection and maintenance
(3) Performance test and maintenance
(4) Device life inspection and maintenance
(5) Grounding performance testing and maintenance
|
