Dry-type transformers, also known as cast resin transformers, have gained popularity due to their environmental friendliness, safety, and reliability. This article will discuss the advantages and disadvantages of dry-type transformers, as well as their suitable applications.

Advantages:

Environmental friendliness: Dry-type transformers are free from oil or any other hazardous substances, which makes them an eco-friendly option. They do not emit any harmful gases or fluids, making them ideal for use in environmentally sensitive areas such as hospitals, schools, and public buildings.

Safety: As there is no oil, there is no risk of fire and explosions, which makes dry-type transformers a safer option compared to oil-immersed transformers. This feature is particularly important in high-density areas or where there is a risk of fire or explosion.

Low maintenance: Dry-type transformers require minimal maintenance compared to oil-immersed transformers. They do not require oil monitoring, filtering, or refilling, which can save on maintenance costs.

Small footprint: Dry-type transformers are compact and can be installed in small spaces, making them ideal for use in areas where space is limited.

Disadvantages:

Higher initial cost: Dry-type transformers are generally more expensive than oil-immersed transformers due to their advanced manufacturing process and the use of specialized materials.

Lower capacity: Dry-type transformers have a lower capacity compared to oil-immersed transformers, making them unsuitable for heavy-duty industrial applications.

Susceptibility to moisture: Dry-type transformers are sensitive to moisture, which can lead to insulation breakdown and loss of efficiency.

Suitable applications:

Dry-type transformers are suitable for a wide range of applications such as hospitals, schools, commercial buildings, and small-scale industries. They are particularly ideal for use in densely populated areas, where safety is a concern, and where space is limited. They are also ideal for use in areas where there are stringent environmental regulations, as they do not emit any harmful gases or fluids.

In conclusion, dry-type transformers have several advantages over oil-immersed transformers, including environmental friendliness, safety, low maintenance, and a small footprint. However, they also have some limitations, such as higher initial cost, lower capacity, and susceptibility to moisture. It is important to consider the specific application requirements when choosing between dry-type and oil-immersed transformers.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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