Scenario
Hydro power plant
Nameplate data of transformer:
Transformer: GSU transformer
Power [MVA]: 30
Voltage [KV]: 130
Oil mass [Kg]: 58.000
Oil type: paraffinic
Before the treatment |
|
| Cu [mg/Kg] | 43 |
| TAN [mg KOH/g] | 0,213 |
| Color | 3 |
| DF | 1,268 |
Solution Sea Marconi
Solution: Selective Depolarization treatment (Chedcos) performed on-load (transformer fully load during the treatment)
Before the treatment |
After the treatment |
|
| Cu [mg/Kg] | 43 | 1,23 |
| TAN [mg KOH/g] | 0,213 | 0,03 |
| Color | 3 | 1 |
| DF | 1,268 | 0,074 |
