Description
Transformer Oil Regeneration Machins
•Regeneration is the procedure followed if oil purification is insufficient to return the oil to an acceptable condition , Regeneration is the restoration of the oil to, or better than, virgin oil specifications.
When to Regenerate
| Symptoms | Diagnosis | Treatment | |
|---|---|---|---|
| 1 | Breakdown Voltage low | Moisture or
solids in oil |
Oil Purification |
| 2 | Oil colour orange/brown | Oil deterioration | Oil
Regeneration |
| 3 | Visible sludge
in oil/Transformer |
Insulation
Deterioration
|
Transformer
desluging
|
| 4 | Free water in oil or oil cloudy | Insulation
Saturated |
Transformer
dry-out |
TWO METHODS OF REGENERATIONS
| Traditional Fullers Earth | Reactivation | |
|---|---|---|
| Method | Use, Saturate, dispose | Use, saturate, reactivate, etc |
| Disposal means | Specialist, oily waste | Landfill |
| Number of Uses | 1 | 300-500 |
| Processing rate | 3 gal/ib 25 litre/kg | 300 gal/ib 2500 litre/kg |
| % oil lost | 8% | 0.4% |
| Media cost | 1 | 5 |
| Media replaced | weekly | 4 years |
| Equipment cost | 1 | 10 |
| No. of Tower/amount per tower | 2/100-400kg | 10-60/100kg |
| Flow rates per tower | High, 4000 lph | Medium=200 lph |
| Media required to process 1 Million Gal’s | 200 tons | 2 tons |
| Best suited to | Low volumes, fast, offline | High volumes, slower, energised |
