10MVA 35kV All-Copper Dry-Type Three-Phase Power Transformer | Factory Direct

The 10MVA 35kV all-copper dry-type three-phase transformer is designed for high-voltage distribution backbone nodes, large industrial load centers, and renewable energy integration. With advanced all-copper windings, dry-type epoxy resin insulation, and intelligent monitoring functions, this transformer delivers excellent performance in terms of efficiency, safety, and long-term reliability.

Key Technical Parameters

Capacity Rating: 10MVA (megavolt-ampere), suitable for medium-to-large power systems such as communities, factories, and substations.

Voltage Rating: High-voltage side rated at 35kV. Low-voltage side customizable from 0.4kV to 10.5kV to meet diverse application requirements.

Transformer Structure: Dry-type design with epoxy resin insulation, ensuring oil-free, safe, and environmentally friendly operation.

Winding Material: 100% high-purity electrolytic copper (red copper) conductors, offering superior conductivity, durability, and mechanical strength compared to aluminum windings.

Advantages of All-Copper Windings

Energy Efficiency: Copper conductors reduce resistance, minimizing no-load and load losses and lowering overall power consumption.

Safety and Durability: Copper’s mechanical strength provides superior short-circuit resistance, enhancing operational safety and stability.

Long Service Life: Copper’s corrosion resistance ensures long-term stability and reliability, extending equipment lifespan.

High Value: Although initial costs are higher than aluminum windings, the transformer’s performance, safety, and low maintenance costs provide excellent long-term value.

Core Features and Technical Highlights

High Energy Efficiency: Meets Class 1 efficiency standards of GB 20052-2020. Reduces energy waste in transmission and supports green, low-carbon operation.

Safety and Reliability: Oil-free dry-type structure eliminates risks of explosion or combustion. Combined with robust copper windings, the transformer achieves exceptional short-circuit resistance and operational reliability.

Eco-Friendly: Oil-free design eliminates pollution risks. Low operating noise and recyclable materials support sustainable development and green power grid construction.

Low Maintenance: Unlike oil-immersed transformers, no need for oil filtration or replacement, reducing maintenance costs over its lifetime.

Strong Overload Capacity: F- or H-class insulation system withstands load surges, ensuring adaptability to complex industrial and commercial power scenarios.

Intelligent Monitoring: Equipped with a temperature controller, cooling fan, alarms, and intelligent interfaces for real-time monitoring, remote data transmission, and integration with smart grid systems.

Application Scenarios

Urban Distribution Networks: Serves as the main transformer in 35kV substations, powering commercial districts, residential communities, and data centers. Replaces outdated oil-immersed transformers, improving safety, efficiency, and eco-friendliness of city power grids.

Industrial Applications: Reliable for energy-intensive industries such as steel, chemical, and cement. Withstands continuous heavy loads and surges. Also used in hospitals, airports, and large commercial complexes requiring continuous, interruption-free power supply with N+1 redundancy.

Renewable Energy Integration: Boosts power from wind farms and photovoltaic plants to 35kV for grid connection. Supports energy storage systems for peak regulation and frequency stability, enabling reliable renewable energy integration.

The 10MVA 35kV all-copper dry-type three-phase power transformer represents advanced technology in the medium-voltage sector. With high capacity, safety, efficiency, reliability, and intelligent monitoring, it is the ideal choice for urban grid upgrades, industrial facilities, renewable energy integration, and commercial complexes. As the core of a modern, safe, and green intelligent distribution network, this transformer ensures stable and sustainable power for the future.