100-2500kVA/10kV H-insulation Three Phase Dry Type Power Transformer (Air Insulated Dry Type Transformer)

If you are seeking high-performance, maintenance-free, ultra-safe and highly reliable distribution transformers for critical power supply scenarios, the SGB10 series 10kV air-insulated dry-type transformers are your definitive solution. With a flexible capacity range from 100kVA to 2500kVA, this series is engineered to satisfy diversified power distribution demands while setting a new benchmark for operational safety, environmental adaptability and long-term stability in modern power systems.

1. Intrinsically Safe & Explosion-Proof Design

Adopting cutting-edge air insulation technology, this transformer series completely eliminates flammable insulating oil and uses clean air as the insulating medium. This oil-free, non-combustible structural design fundamentally eradicates hidden dangers of fire, explosion and oil leakage that commonly exist in traditional oil-immersed transformers. It achieves intrinsic safety in operation, effectively avoiding fire risks and property losses, and fully meets the strictest safety standards for densely populated and important power consumption places.

2. Maintenance-Free & Cost-Efficient Operation

Thanks to the air-insulated dry-type structure and high-quality encapsulated components, the SGB10 series requires no regular oil replacement, filtration or leakage inspection during its service life. The maintenance-free design greatly reduces on-site operation and maintenance workload, cuts down labor and material costs, and ensures continuous and stable power supply with minimal downtime, bringing high economic benefits to users.

3. Stable & Reliable Performance

The transformers feature optimized electromagnetic design and robust structural technology, delivering excellent resistance to moisture, dust and chemical corrosion. They maintain stable electrical performance even in harsh indoor environments, with low partial discharge, low energy loss and low operating noise. This series can withstand load fluctuations and short-term overloads, providing a secure and consistent power supply for core electrical equipment.

4. Eco-Friendly & Widely Adaptable

Free of toxic and flammable media, the product is pollution-free and environmentally friendly, complying with green and low-carbon electrical equipment requirements. Its compact structure and high environmental adaptability make it perfectly compatible with various indoor power distribution scenarios that have high standards for safety, cleanliness and quiet operation.

Technical Features

● Rated voltage class: 10kV, with a capacity spectrum of 100kVA–2500kVA to match diversified configuration needs

● Adopts advanced air insulation system, 100% oil-free and non-combustible, eliminating fire and explosion risks

● Maintenance-free construction, no daily upkeep required, reducing full-life-cycle operating costs

● Optimized core and winding design for low no-load loss, low noise and high energy efficiency

● Strong resistance to moisture, dust and corrosion, suitable for long-term operation in complex indoor environments

● High short-circuit withstand strength and excellent operational stability, ensuring safe and continuous power distribution

● Compact and lightweight structure, easy for indoor installation and space-saving layout

Application Scenarios

This series is particularly tailored for indoor distribution sites with extremely stringent safety requirements, including:

● Commercial centers, shopping malls, supermarkets and urban complex buildings

● High-rise office buildings, residential skyscrapers and public service facilities

● Hospitals, schools, scientific research institutions and cultural venues

● Airports, subways, rail transit hubs and transportation infrastructure

● Industrial and mining enterprises, manufacturing workshops and industrial parks

● Data centers, communication base stations and other critical facilities with uninterrupted power demand

1. Installation height: not more than 1000m above sea level;

2. Power supply voltage waveform is approximately sinusoidal;

3. Symmetry of multi-phase power supply voltage: the power supply voltage connected to the multi-phase transformer should be approximately symmetrical.

4. Maximum temperature +40℃;

5. Maximum daily average temperature +30℃;

6. Maximum annual average temperature +20℃;

7. Minimum temperature -25℃ (applicable to indoor transformers).

Note:

1. The data in the table is for reference only.
2. The 2.5mva dry-type transformer is the transformer with the largest capacity in the table. Please consult our company for customized transformers with higher capacity.

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