
S22 1000kVA Power Distribution Transformer
Rated Volume Quantity:1000KVA
High Voltage:35KV
Low Voltage:3.15KV/6.3KV/10.5KV
No-Load Loss:660W
Load Loss:8280W
No-load electricity:0.65%
Short circuit resistance:6.5%
Product Introduction
The S22 1000kVA oil-immersed transformer is developed for stable and safe power distribution in industrial, commercial and utility applications from Kechangelec oil-immersed transformer manufacturer in China. The advanced coil structure and optimized magnetic circuit of this high efficiency power transformer result in extremely low no-load losses and lower operational noise, enabling customers to achieve cost-effective power savings and reinforce system reliability.
Outstanding Design and Superior Materials
The s22 series takes high grade grain-oriented silicon steel sheet which can lower the core loss and increase the magnetic performance. High-grade transformer oil guarantees efficient cooling and good electrical insulation, enabling safe operation during the decades. The durable steel tank is built with sturdy molded steel and engineered with a corrosion resistant coated interior for thick water and iron stains. The use of seals are to protect the bearing from contaminants and to help it get better efficiency.
Technical Specifications
| Item | Specification |
|---|---|
| Model |
|
| Rated Capacity | 1000 kVA |
| Voltage Ratio | 10kV / 0.4kV |
| Frequency | 50 Hz |
| Vector Group | Dyn11 or Yyn0 |
| No-Load Loss | ≤ 1.05 kW |
| Load Loss (at 75℃) | ≤ 8.50 kW |
| No-Load Current | ≤ 0.6% |
| Impedance Voltage | 6% |
| Cooling Method | ONAN |
| Insulation Class | A |
Key Advantages
- Impressive Efficiency-This transformer channels near-max energy to the grid, cutting waste and daily bills.
- Affinity for Quiet-Engineered for muted operation, it slips seamlessly into downtown and neighbourhood settings.
- Rugged Build-Heavy-duty alloys and a baked-on anti-corrosion coat give it years of dependable power.
- Solid Overload Margin-Stable voltage and temperature track record, even when demand swings.
- Handy Upkeep-Snag-free check-ups and mineral oil swaps keep hassles low and uptime high.
Application Areas
The S22 1000kVA transformer finds applications across several key sectors:
- Industrial sites rely on it to deliver constant power for high-demand machines and production lines, ensuring uninterrupted operations.
- In commercial environments, it supports shopping malls, office towers, and major retail complexes by stepping down voltage and managing peak loads.
- Public infrastructure makes extensive use of the unit in airports, metro terminals, and rail networks, where stable, high-quality power is critical for safety and comfort.
- The device is also integral to integrating renewable energy; it is deployed at wind farms and solar plants to convert and deliver output to the grid.
- Finally, the transformer enhances residential and mission-critical power distribution by supplying dependable electricity to entire communities and data centers, upholding grid reliability.
Our factory & quipment




Our transformer production combines automation equipment with the exquisite craftsmanship of experienced technicians, from winding, assembly to insulation treatment, each process is strictly controlled by an experienced technical team.The workshop environment has constant temperature and humidity, in line with ISO 9001 international quality management standards, to ensure that the product performance is stable, safe and durable. Transparent and visualized production processes. We are committed to using technology to improve efficiency and provide customers with zero-defect industrial power solutions.
Honor and qualification
Official certification, professional after sales service.

ISO 9001

ISO 14001

ISO 45001

ISO 50001

COC
Why Choose Kechangelec
Backed by two decades of expertise, Kechangelec fabricates oil-immersed transformers precisely tuned to diverse voltage thresholds, variable climate extremes, and specific loading conditions. From design through delivery, every unit embodies custom solutions, securing seamless performance from the tropics to the arctics. Our transformers power critical grids on every continent and are supported by a dedicated cadre of engineers and a dynamic after-sales team. Collaborating with Kechangelec guarantees a dependable, energy-optimizing, and financially prudent choice in power distribution. Reach out now for the most competitive quotation on the S22 1000kVA transformer and for design and delivery that perfectly match your operational parameters.
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