Three-phase oil-filled transformer
Flexible voltage regulation: options for on-load and off-circuit voltage regulation with small voltage fluctuations available
Robust construction: overall rigidity is strong, capable of withstanding earthquakes and deformations without deforming during long-term operation
Strong short-circuit resistance: windings are securely fixed, able to withstand short circuits with low failure probability
Fully sealed design: oil-proof, moisture-proof, and oxidation-resistant
Minimal maintenance: no core lifting required, less maintenance, low operating and technical costs, and hassle-free
Low noise and eco-friendly: low losses, low noise, meeting environmental protection and energy efficiency requirements
Wide compatibility: suitable for urban, industrial, infrastructure, rural power grids, and outdoor conditions
Compact and small size: small in volume, small in area, easy to install and transport, and quick to set up and assemble
Rated Power: 50KVA - 63000KVA
Voltage Regulation Method: Off-load or on-load tap changing
Cooling Method: Oil-immersed self-cooling (ONAN) or oil-immersed air cooling (ONAF)
Connection Group: Mainstream YNd11, Yyn0, Dyn11
Energy Efficiency Class: Energy-saving transformer
Standard Compliance: GB 1094 (Power Transformer), GB/T 6451 (Technical Requirements for Three-Phase Oil-Immersed Transformers), compatible with IEC 60076
Core Material Configuration
Core: High magnetic permeability and low loss silicon steel, fully inclined stepped joint, tension plate design
Winding: Copper/aluminum conductor, continuous/disc winding, high-voltage twisted winding
Oil tank: sealed structure with welded steel plates, anti-leakage, moisture-proof, long maintenance-free period, energy-saving, reliable temperature control
Product advantages: low loss, low noise, strong anti-corrosion, energy-saving operation, high reliability
Applicable scenarios: power distribution network, industrial enterprise substation, power plant, large industrial and commercial parks, outdoor box-type transformer, underground substation, photovoltaic grid connection site, small hydropower reinforcement, etc.
