Oil Immersed Distribution Transformer 0.4kV to 33kV Dyn11 Yyn0 Three Phase Power Transformer Manufacturer

Oil Immersed Distribution Transformer for Efficient Power Distribution

Our oil immersed distribution transformer is designed for reliable voltage step-down applications in urban grids, industrial plants, and commercial power systems. With voltage ratings up to 33kV and output options of 0.4kV / 0.415kV, this distribution transformer ensures stable and efficient power delivery for modern electrical networks.

Available in capacities from 30kVA to 1600kVA, this oil filled transformer is ideal for a wide range of power distribution applications, providing flexible solutions for different load requirements.

High Efficiency & Low Loss Performance

Built with high-grade silicon steel core (or amorphous core optional) and copper or aluminum windings, this oil immersed transformer delivers low no-load loss, reduced load loss, and high energy efficiency. It helps minimize operational costs while maintaining consistent electrical performance.

The advanced ONAN cooling system (Oil Natural Air Natural) ensures effective heat dissipation, enhancing reliability and extending service life.

Robust Structure for Outdoor Installation

The transformer features a mild steel tank with anti-corrosion coating, designed to withstand harsh outdoor environments such as humidity, dust, and temperature fluctuations. Its fully sealed oil-immersed structure prevents moisture ingress and oil leakage, ensuring long-term durability.

Flexible Configuration & Global Compatibility

This oil immersed electrical transformer supports:

• Voltage rating up to 33kV
• Frequency: 50Hz / 60Hz
• Optional on-load tap changer (OLTC)
• Multiple winding materials (copper / aluminum)

It complies with IEC 60076, CE, and ISO standards, making it suitable for global markets and diverse grid systems.

Wide Application Scenarios

This oil immersed distribution transformer is widely used in:

• Urban and rural power distribution networks
• Industrial manufacturing plants
• Commercial buildings and infrastructure
• Utility substations and grid systems
• Renewable energy projects (solar / wind power)

 Ideal for distribution transformer manufacturers, EPC contractors, and power utilities