Dry-type transformers: The safe and reliable choice for the new era of power systems

In power transmission and distribution, transformers are core equipment. With the increasing demand for power safety, environmental protection, and efficiency across various sectors, dry-type transformers, leveraging their unique advantages, are gradually becoming the preferred alternative to traditional oil-immersed transformers.

1. "Oil-Free" Design, Eliminating Safety Hazards

Dry-type transformers use air or gas as the insulating and cooling medium, completely eliminating the need for insulating oil, thereby fundamentally avoiding the risks of oil leakage and combustion. In densely populated areas such as shopping malls, hospitals, and high-rise buildings, they can be directly installed in indoor distribution rooms without requiring additional fire safety spacing or oil storage facilities, saving space while ensuring safety.

2. High Efficiency & Energy Saving + Eco-Friendly and Durable, Cost-Effective and Low Carbon

Energy Efficiency: Utilizing a high-permeability silicon steel core and premium copper wire coils, combined with advanced winding techniques, this transformer achieves 15%-30% lower no-load and load losses compared to traditional oil-immersed transformers, significantly reducing electricity costs during long-term operation.

Environmentally friendly and durable: The insulating materials are primarily high-temperature-resistant and aging-resistant epoxy resins, with a service life of 20-30 years. The materials can be recycled after disposal, avoiding environmental pollution caused by improper handling of oil-immersed transformer insulating oil and reducing long-term environmental protection costs.

3. Adaptable to Diverse Scenarios with Wide Applications

They can be divided into two types based on cooling methods, catering to different needs:

Natural Air Cooling (AN): Utilizes natural convection for heat dissipation, suitable for scenarios with stable loads and lower ambient temperatures, such as office buildings and residential communities.

Forced Air Cooling (AF): Fans provide forced ventilation, enabling short-term tolerance of high overload currents, making it suitable for industrial workshops, data centers, and other environments with significant load fluctuations.

In addition, customized protection levels such as moisture-proof, dust-proof, and corrosion-resistant can be provided to meet the requirements of special environments like underground garages, cement plants, and chemical industrial parks.

4. Simple Maintenance, Hassle-Free and Efficient

Unlike oil-immersed transformers, which require regular oil level and quality inspections as well as breather desiccant replacements, this system only needs periodic dust cleaning, coil temperature checks, grounding status inspections, and fastener maintenance. Additionally, most units are equipped with real-time monitoring systems capable of remote parameter transmission, enabling timely alerts in case of abnormalities, facilitating quick fault diagnosis, and minimizing downtime.

Conclusion

Dry-type transformers, with their advantages of safety, reliability, high energy efficiency, strong environmental adaptability, and simple maintenance, have become the ideal choice for modern power systems. If you are selecting a transformer for a power distribution project, consider this option—it not only ensures a safer operating environment and lower operational costs but also contributes to environmental protection.