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High-Efficiency & Reliable Oil-Immersed Distribution Transformers

Oil-immersed distribution transformers deliver superior cooling, extended lifespan, and strong overload capacity, making them essential for industrial, commercial, and renewable energy applications.

We provide 10kVA~10MVA oil-immersed transformers to meet diverse power distribution needs, ensuring safer, more energy-efficient, and stable electricity transmission.

Why Choose Oil-Immersed Distribution Transformers?

✅ Excellent Cooling for Stable Performance

  • Uses mineral oil or synthetic ester fluid for high heat dissipation, ideal for long-term heavy-duty operation.

  • Fully sealed design resists moisture and dust, suitable for outdoor, industrial, and substation environments.

✅ High Efficiency, Low Energy Loss

  • Complies with GB 20052, IEC 60076 standards, reducing no-load loss by over 20% for cost-effective operation.

  • Copper or aluminum windings available to fit different budgets, lowering lifetime costs.

✅ Durable & Low-Maintenance

  • 30+ years of service life, robust construction, and strong short-circuit resistance.

  • Built-in oil temperature monitoring and pressure relief valves for minimal maintenance and downtime.

✅ Customizable for Various Applications

  • Supports step-up, step-down, and isolation functions, perfect for:

    • Renewable energy plants (solar/wind grid connection)

    • Industrial power distribution (factories, mines, petrochemical plants)

    • Urban grids (commercial complexes, residential substations)


Oil-Immersed vs. Dry-Type Transformers

FeatureOil-Immersed TransformerDry-Type Transformer
Cooling MethodOil-cooled, superior dissipationAir-cooled, relies on fans
Best ForOutdoor, high-load scenariosIndoor, fire-sensitive areas
MaintenancePeriodic oil checks & filteringNearly maintenance-free
CostLower upfront, economical long-termHigher initial investment

Our Oil-Immersed Transformer Advantages

✔ Full copper/aluminum windings – Low loss, high efficiency
✔ Smart oil temperature monitoring – Prevents overheating failures
✔ Explosion-proof design – Meets IEC, UL safety standards
✔ Fast delivery – 7-15 day production, global shipping