Oil Immersed Distribution Transformer
11kV Transformer 50kVA-2500kVAfor Global Power Solutions
High efficiency
Low Loss
Relible Operation
OEM& ODN
Distribution Transformer is essential power distribution equipment for power grid, solar energy and industrial projects. As a professional manufacturer, we provide reliable oil immersed distribution transformer with capacity from 50kVA to 2500kVA, fully compliant with international standards. Our 11kV distribution transformer has been exported to Nigeria, Indonesia, Saudi Arabia and other 100+ countries, supporting customized OEM & ODM solutions for global clients.
Main Advantages of Our Distribution Transformer
Our oil immersed distribution transformer adopts low-loss silicon steel sheets and high-quality insulating oil, greatly reducing energy loss during operation.
Wide capacity range: 50kVA to 2500kVA, standard 11kV input voltage for distribution projects;
Stable heat dissipation design for long-term outdoor running in tropical areas;
Low noise, anti-corrosion shell, suitable for solar farms, factory power rooms and urban grid stations;
Full ISO certification, all distribution transformer pass strict factory testing before delivery;
Flexible OEM service: custom voltage, size, logo and technical parameters for worldwide buyers.
High EfficiencyLow Loss
Strona HeatDissipation
Anti-corrosion Shll
100% Factory Tested
Complete Specifications of Oil Immersed Distribution Transformer
| Title | Content |
|---|---|
| Product Type | S13, S18, S20, S22 ,11kV Oil Immersed Distribution Transformer |
| Rated Capacity | 50kVA, 100kVA, 315kVA, 500kVA, 800kVA, 1250kVA, 2500kVA |
| Primary Voltage | 11kV / 10kV customizable |
| Secondary Voltage | 0.4kV |
| Cooling Mode | ONAN oil immersed cooling |
| Application | Solar farm power station, industrial factory power supply, city distribution network, EV charging station supporting transformer |
Our 10kV oil immersed distribution transformer fully complies with international IEC standards. Every unit undergoes strict factory testing including no-load loss, load loss and short-circuit impedance inspection before delivery. We support flexible OEM & ODM customization for global solar farm, industrial plant and urban power grid projects, with complete export certificates and long-term after-sales technical support. Every model of distribution transformer can be adjusted according to local national power standards, and we offer full technical drawing support for all customers.
Our transformer production line has complete automated testing equipment, each unit passes no-load loss, load loss and short-circuit impedance testing before shipment, fully compliant with IEC international standards for global power engineering projects.
Technical Parameters of 10kV Oil Immersed Distribution Transformer
Main Technical Parameters
| Model | Rated Capacity (kVA) | Vector Group Symbol | High Voltage | Tap Range | Low Voltage | No-Load Loss (W) | Load Loss Dy (W) | Load Loss Yy (W) | No-Load Current (%) | Short-Circuit Impedance (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| S-M-30/10-NX1 | 30 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 80 | 505 | 480 | 1.5 | 4.0 |
| S-M-50/10-NX1 | 50 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 100 | 730 | 695 | 1.3 | 4.0 |
| S-M-63/10-NX1 | 63 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 110 | 870 | 830 | 1.2 | 4.0 |
| S-M-80/10-NX1 | 80 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 130 | 1050 | 1000 | 1.2 | 4.0 |
| S-M-100/10-NX1 | 100 | Yyn0 or Dyn11 | 10 / 6.3 / 6 |
| 0.4 | 150 | 1265 | 1200 | 1.1 | 4.0 |
| S-M-125/10-NX1 | 125 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 170 | 1510 | 1440 | 1.1 | 4.0 |
| S-M-160/10-NX1 | 160 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 200 | 1850 | 1760 | 1.0 | 4.0 |
| S-M-200/10-NX1 | 200 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 240 | 2185 | 2080 | 1.0 | 4.0 |
| S-M-250/10-NX1 | 250 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 290 | 2560 | 2440 | 0.9 | 4.0 |
| S-M-315/10-NX1 | 315 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 340 | 3065 | 2920 | 0.9 | 4.0 |
| S-M-400/10-NX1 | 400 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 410 | 3615 | 3440 | 0.8 | 4.0 |
| S-M-500/10-NX1 | 500 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 480 | 4330 | 4120 | 0.8 | 4.0 |
| S-M-630/10-NX1 | 630 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 570 | 4960 | 4960 | 0.6 | 4.0 |
| S-M-800/10-NX1 | 800 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 700 | 6000 | 6000 | 0.6 | 4.5 |
| S-M-1000/10-NX1 | 1000 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 830 | 8240 | 8240 | 0.6 | 4.5 |
| S-M-1250/10-NX1 | 1250 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 970 | 9600 | 9600 | 0.5 | 4.5 |
| S-M-1600/10-NX1 | 1600 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5%±2×2.5% | 0.4 | 1170 | 11600 | 11600 | 0.5 | 4.5 |
Application Scenarios of Distribution Transformer
Solar Farm Projects
The 500kVA and 1250kVA distribution transformer are widely matched for 10MW solar power stations, converting solar DC power into stable AC power for grid transmission.
Overseas Factory Power Projects
Many manufacturing plants in Nigeria, Indonesia and Africa adopt our 11kV distribution transformer to support full factory electricity load.
Urban Power Distribution Grid
Standard oil immersed distribution transformer is installed in outdoor box substations for residential and commercial power supply.
EV Charging Infrastructure
Custom small-capacity distribution transformer for centralized electric vehicle charging stations.
Global Project Cases of Our Medium Voltage Power Transformer
Case 1: Indonesia Power Distribution Project
We supplied batches of 11kV medium voltage power transformer for 11kV switchgear installation in Indonesia, supporting local rural power grid upgrade.
Case 2: Nigeria Transformer Supply Project
500kVA oil immersed power transformer delivered to Nigeria beer factory power control system, stable running for more than 3 years.
Case 3: Middle East Solar Farm Project
2500kVA 10kV distribution unit customized for large-scale solar farms in Saudi Arabia, adapting high-temperature outdoor environment.
OEM & ODM Custom Service for Medium Voltage Power Transformer
- Custom transformer capacity, voltage group and protection components;
- Print customer brand logo on transformer tank and control cabinet;
- Provide special anti-rust paint for coastal high-humidity countries;
- Supply complete test reports, installation manuals and export certification documents.
Whether you need bulk standard medium voltage power transformer or special engineering customized models, our factory can complete production within 15–30 working days.
Why Choose Our Oil Immersed Distribution Transformer?
- Factory direct sales without middleman, competitive price for bulk oil immersed power transformer orders;
- Strict quality inspection for every 10kV distribution unit before shipment;
- Professional after-sales team provides remote installation guidance for global clients;
- Rich export experience to over 100 countries, familiar with different regional power standards;
- One-stop power equipment matching: we also support switchgear, cabinet and solar supporting equipment together with medium voltage power transformer.
If you are looking for a reliable oil immersed medium voltage power transformer supplier with OEM support, welcome to contact us for detailed quotation and technical data sheet. Our 11kV oil immersed power transformer from 50kVA to 2500kVA is the ideal power equipment for your solar, industrial and grid projects.
- 11kV Standard Voltage
- 50kVA-2500kVA Wide Range
- 1000+ Countries Export Experience
- OEM & ODM Support
