Sea Marconi engineers are currently engaged in Selective Depolarisation from corrosive sulfur (Chedcos) on 6 Power Transformers in Chile.The region is Antofagasta, in more detail, the transformers are installed near the Atacama desert, the driest place on the planet, at 3000 meters above sea level with a temperature range between night and day over 30 °C.Sea Marconi started the treatment about three weeks ago and are already available the excellent results for the first transformer depolarized with Chedcos by Sea Marconi technologies.
Customer: Electrical substation (Cile)
Year: 1998
Builder: Zaporozhtransformator
Power: 250 MVA
Voltage: 345 KV
Oil mass: 118000 Kg
Year: 1998
Builder: Zaporozhtransformator
Power: 250 MVA
Voltage: 345 KV
Oil mass: 118000 Kg
|
DBDS [mg/Kg]
|
H2O [mg/Kg]
|
TAN [mg KOH/g]
|
DF
|
|
| Before treatment |
144
|
16
|
< 0,01
|
0,0026
|
| After treatment |
< 10
|
5
|
< 0,01
|
0,0015
|
