What are the advantages of dry-type transformers compared to oil-immersed transformers?

Dry-type transformers offer a series of significant advantages compared to oil-immersed transformers, particularly in terms of safety, maintenance, space utilization, and environmental adaptability.

Merit

●Enhanced Safety:

Dry-type transformers significantly reduce fire risk due to their use ofsolid insulating materials. In contrast, oil-immersed transformers, which usetransformer oil as an insulating medium, are susceptible to potential safety hazards such asoil leakage andoil aging. The insulating materials used in dry-type transformers, such as epoxy resin and polyester, are inherently fire-resistant. As a result, the risk of fire is greatly minimized even in the event of a transformer failure. This design feature makes dry-type transformers more suitable for environments with higher fire risks.

●Simplified Maintenance and Repair:

Dry-type transformers eliminate issues related to oil leakage and oil aging found in oil-immersed transformers. Consequently, the maintenance and repair workload is significantly reduced. Dry-type transformers generally do not require regular checks of oil quality or replacement of insulating oil, thereby lowering long-term maintenance costs and potentially allowing for maintenance-free operation.

●Installation Flexibility and Space Savings:

Dry-type transformers are typically used indoorsand can be installed within buildings, often alongside switchgear andother equipment in the same room. This configuration results in significant space savings. Compared to oil-immersed transformers, which require separate oil tanks and fire protection measures, the installation of dry-type transformers is more flexible and cost-effective.

●Environmental Adaptability:

Dry-type transformers canoperate effectively in various environmental conditions, including high humidity and dusty environments. Their insulating materials are more resistant to moisture and contamination, ensuring excellent performance in harsh conditions. Furthermore, the absence of oil means that dry-type transformers can be designed more compactly and can handle higher loads.

●Reduced Environmental Impact:

Dry-type transformers do not pose environmental risks related to oil leakage. Oil-immersed transformers can cause environmental pollution if leaks occur, whereas the solid insulating materials in dry-type transformers avoid such issues, contributing to environmental protection.

In summary

In summary, dry-type transformers, with theirsuperior safety features,simplified maintenance requirements,flexible installation options, and environmental adaptability, are ideal for many applications. They are particularly well-suited for scenarios where safety and environmental concerns are paramount.

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LuShan, est.1975, is a Chinese professional manufacturer specializing in power transformers and reactors for 49 years. Leading products are single phase and three phase isolation transformers, electrical transformer, distribution transformer, step down and step up transformer, low voltage transformer, high voltage transformer, control transformer, toroidal transformer, R-core transformer; DC inductors, AC reactors, line and load reactor, chokes, filtering reactor, and intermediate, high-frequency products. Our power 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(furnace), central air conditioning.

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