750kV 260MVA~380MVA Oil-immersed Three-phase Double-winding Power Transformer

The 750kV 750MVA–1140MVA Oil-Immersed Three-Phase Double-Winding Power Transformer is designed for ultra-high-voltage transmission networks and large-scale power infrastructure projects. Built with a premium CRGO silicon steel core and high-conductivity copper windings, it delivers outstanding energy efficiency, low no-load and load losses, and stable long-term performance. The advanced oil-immersed cooling system ensures efficient heat dissipation, enabling reliable operation under continuous heavy-load conditions. Its robust insulation structure and excellent short-circuit withstand capability enhance system safety and operational reliability. Manufactured using advanced production processes and rigorous quality control, each transformer undergoes comprehensive routine and type testing to ensure compliance with IEC, IEEE, or customer-specific standards. Widely used in 750kV substations, utility transmission networks, renewable energy integration, and large industrial power systems, this transformer provides dependable performance, low maintenance requirements, and flexible customization to meet diverse project specifications.