+86 18751738721
sales@unitatransformer.com
From Generation to Your Door
Every kilowatt that leaves a power plant passes through oil-immersed transformers — stepping voltage up for efficient transmission, then down for distribution. Their reliability underpins the whole grid.
Why They Anchor Transmission
| Attribute | Value |
|---|---|
| Scalability | Up to hundreds of MVA |
| Efficiency | Very low losses at scale |
| Robustness | Tolerates harsh outdoor duty |
| Economy | Best $/kVA at high ratings |
Lifecycle Care
- Continuous temperature and oil-level monitoring.
- Scheduled DGA and oil-quality testing.
- Cooling-system and tap-changer servicing.
- Bushings and gasket inspection.
Choosing Your Unit
Define the power, ratio, cooling, and protection, then plan maintenance from commissioning. For indoor or fire-sensitive sites, see the dry-type option in our comparison guide.
Frequently Asked Questions
Why not dry-type for transmission?
Above a certain rating, dry-type becomes impractical in size and cost; oil remains superior.
What shortens life most?
Overheating and moisture — both are preventable with monitoring and oil care.