Oil-filled type transformer
High efficiency and energy saving — low losses, energy saving and energy efficiency.
Fully sealed structure — maintenance-free, no oil leakage.
Strong short-circuit resistance — stable and reliable operation.
Low noise operation — suitable for residential areas and schools.
Good overload capacity — excellent heat dissipation efficiency.
High cost performance — ideal for both new projects and renovations.
I. Product Introduction
Three-phasedistributionS20-M series fully sealed oil-immersed transformer.
The product is equipped with high-permeability silicon steel sheets, full copper windings, and a fully sealed corrugated oil tank structure, ensuring low losses, stable operation, long service life, and maintenance-free performance.
It is widely used in power grids, industrial facilities, commercial buildings, and public power distribution systems, making it a cost-effective and versatile energy-saving transformer for new construction and power system upgrades.
II. Main Technical Parameters (Customizable)
Rated Power: 10KVA-5000KVA
Phase: Three-phase
Vector Group: Dyn11, Yyn0
Cooling Method: ONAN (Oil Natural Air Natural)
Impedance voltage: 4% – 6% (depending on capacity)
Energy efficiency level: high efficiency and energy saving
Working environment: outdoor, from -25°C to +40°C
III. Main features
1. High efficiency and energy saving — energy saving
Reduction of no-load and load losses, as well as significant reduction of long-term electricity costs while meeting national energy-saving requirements.
2. Fully sealed structure — maintenance-free
The corrugated fully sealed oil tank effectively isolates air and moisture, preventing oil oxidation and aging, ensuring long-term maintenance-free operation without oil leakage.
3. Strong short-circuit resistance
Full copper windings combined with a sturdy support structure provide high mechanical strength, allowing the transformer to withstand sudden short circuits and ensure safe and stable operation.
4. Low noise and low vibration
Optimized core structure and lamination process reduce hysteresis losses, vibration, and noise, making the transformer suitable for noise-sensitive environments such as residential areas, schools, and hospitals.
5. Strong environmental adaptability
Suitable for outdoor installation, box-type substations, and pole-mounted systems, with excellent resistance to temperature fluctuations, moisture, and dust.
IV. Application Scenarios
Urban and rural power grid construction and renovation projects
Industrial parks, factories, mines, and enterprise distribution rooms
Residential communities, commercial complexes, hotels, and office buildings
Schools, hospitals, stations, and municipal public buildings
Box-type substations and outdoor pole-mounted distribution systems
Various power distribution projects requiring energy efficiency, reliability, and reasonable investment costs.
