Why we have to do the periodic maintenance for our equipment?
The purpose of maintenance is to prevent failures and quickly eliminate potential damage and unsafe factors and with reasonable budget. The most important is to optimize the performance of the current power equipment.
All the procedures of maintenance require design and plan to meet the customer’s needs. The best way for rising performance and operation of power equipment is optional solutions and preventive maintenance.
| Maintenance cycle | Daily | Year | 3Year | 6Year | 9Year | 12Year | 15Year |
|---|---|---|---|---|---|---|---|
| A. Circuit breaker cleaning engineering | |||||||
| 1.Mechanism cleaning | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 2.Exterior main contactor cleaning | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 3.Busbar lubricate renew/ refill | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 4.Chescrew torque measurement | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| B. Circuit breaker unit test | |||||||
| 1.On/off timing test | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 2.Main contactor analysis | □ | □ | □ | □ | ■ | ■ | ■※ |
| 3.Contactor resistance test | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 4.DC pressure test | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| C.Mechanism Maintenance | |||||||
| 1.Mechanism lubrication service | □ | □ | ■ | ■ | ■ | ■ | ■※ |
| 2.Interior contactor wiring measurement | □ | □ | ■ | ■ | ■ | ■ | ■※ |
| 3.Auxiliary contactor measurement | □ | □ | ■ | ■ | ■ | ■ | ■※ |
| 4.Manual charging motoring function test | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 5.Motor wiring test | □ | □ | □ | ■ | ■ | ■ | ■※ |
| 6.Motor brushing inspection | □ | □ | □ | ■ | ■ | ■ | ■※ |
| 7.SF6 gas pressure check | □ | ■ | ■ | ■ | ■ | ■ | ■※ |
| 8.SF6 leaking test | □ | □ | □ | ■ | ■ | ■ | ■※ |