Technical Specifications

Phases: Three-phase
Coil Structure: Toroidal
Number of Coils: 2 (primary and secondary)
Voltage Level: 10 kV (used in high-voltage power networks)
Rated Power: 30–2500 kVA
Air-Breaking Losses: 105–2080 W (depending on model power)
No-Load Current: 0.6–2% (efficient energy consumption in idle mode)
Operating Temperature: -25°C to +50°C
Insulation: Epoxy resin (protects against moisture and contaminants, allows operation in up to 100% humidity)
Standards: IEC 60076, IEEE
Noise Level: Low, suitable for installation near residential or work areas
Applications

Industrial Facilities: Used in factories and other industrial sites where stable power supply and reliable protection are needed.
Commercial Buildings and Infrastructure: Suitable for offices, shopping centers, airports, railways, and other commercial areas.
Residential Areas: Ensures reliable power supply in residential buildings and neighborhoods through electrical distribution systems.
Solar Energy and Renewable Systems: Used in solar power systems for conversion and electrical transmission to the main grid.
Pros

High Safety Level: Resin insulation protects against fire and environmental pollution, making these transformers suitable for high-security areas.
Reliability and Durability: The toroidal design and resin insulation provide longevity and ensure reliable performance with minimal maintenance.
Environmental Resistance: Resin insulation protects the transformer from moisture, dust, and other contaminants, enabling operation in highly humid environments.
Low Noise Level: Suitable for installation in residential and work environments.
Efficient Heat Dissipation: Operates efficiently even under heavy load, capable of handling 120% load in forced-air cooling mode.
Low Energy Losses: No-load losses are only 0.6–2%, making the transformer economical.
Cons

High Initial Investment: Resin-insulated transformers are more expensive due to material quality and advanced construction.
Cooling Requirement Under Heavy Loads: Additional cooling may be needed during peak operation to maintain efficiency.
Heavier and Larger: Resin insulation makes these transformers heavier and bulkier than oil-insulated ones, requiring more installation space.
Not Suited for Extreme Temperatures: These transformers handle a moderate temperature range but may need additional protection for extreme conditions.
Summary

Resin-insulated dry transformers are high-quality, reliable electrical distribution devices. They ensure stable power supply, protect against voltage fluctuations, and are both safe and eco-friendly, as the resin insulation does not harm the environment. Due to their efficiency, safety, and durability, these transformers are an ideal choice for both industrial and commercial power systems.