S11/S13 100KVA 200KVA 250KVA 315KVA 400KVA 500KVA 630KVA 800KVA 1000KVA 1250KVA 1600KVA 2000KVA
Reliable Power Transformation for Modern Electrical Networks Engineered for stable, efficient and long-term power distribution, our oil immersed transformers are designed to deliver dependable electrical performance across industrial, commercial and utility applications. Our Three-Phase Oil Immersed Distribution Transformers are engineered for reliable and efficient power transformation in utility, industrial, commercial and infrastructure applications. With flexible configurations for rated capacity, primary and secondary voltage, frequency, impedance, vector group, tap range and protection accessories, each transformer can be tailored to meet specific power distribution requirements.
PRODUCT OVERVIEW
Our oil immersed distribution transformers are engineered to provide reliable voltage transformation and efficient power distribution under demanding operating conditions.
From core and winding design to insulation, cooling and tank construction, every major component is optimized to achieve a balanced combination of electrical performance, thermal stability, mechanical strength and service life.
High Electrical Efficiency:
Optimized magnetic core and winding design help reduce no-load and load losses.
Superior Thermal Performance:
Oil-based natural cooling provides efficient heat dissipation during continuous operation.
Robust Mechanical Construction:
Heavy-duty tank construction provides reliable protection against environmental and operating stresses.
Long Service Life:
High-quality insulation materials and carefully controlled manufacturing processes support stable long-term operation.
Flexible Configuration:
Voltage ratio, capacity, impedance, connection group and accessories can be configured according to project requirements.
Factory Tested:
Each transformer undergoes routine electrical and mechanical inspections before shipment.

Technical Parameters
| Parameter | Specification |
| Product Type | Three Phase Oil Immersed Transformer |
| Rated Capacity | Customized according to project |
| HV Voltage | Customized |
| LV Voltage | Customized |
| Frequency | 50Hz / 60Hz |
| Phase | Three Phase |
| Cooling Method | ONAN / ONAF, according to design |
| Vector Group | Dyn11 / Yyn0 / Yd11 / Customized |
| Winding Material | Copper / Aluminum |
| Insulating Oil | Mineral oil / other options according to requirement |
| Impedance | Customized according to project |
| Tap Range | Customized |
| Installation | Indoor / Outdoor according to model |
| Standard | IEC / IE60076/ Customer Specification |
APPLICATIONS
Powering Critical Infrastructure Across Multiple Industries
Our oil immersed transformers are suitable for a wide range of power distribution and industrial applications.
Utility & Power Distribution
For electrical distribution networks, substations and utility infrastructure.
Manufacturing Plants
Designed to provide stable power transformation for production lines and heavy electrical equipment.
Commercial Facilities
Suitable for factories, warehouses, shopping centers, office buildings and large commercial facilities.
Renewable Energy
Can be integrated into solar, wind and other renewable energy power systems for grid connection and power distribution.
Infrastructure Projects
Suitable for airports, transportation systems, water treatment facilities and public infrastructure.
Mining & Heavy Industry
Designed for demanding electrical environments requiring reliable and continuous power supply.
Quality Control
-Incoming Material Inspection
Core material, copper/aluminum conductors, insulation materials, oil and mechanical components are inspected before production.
-Process Control
Core assembly, winding, insulation, drying and tank manufacturing are monitored throughout production.
-Assembly Inspection
Critical mechanical and electrical components are inspected before final assembly.
-Routine Testing
Each transformer undergoes specified routine tests before shipment.
-Final Inspection
Appearance, dimensions, accessories, nameplate and documentation are checked before delivery.
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