Dry-Type Transformers: Safe, Reliable, and Maintenance-Free Power Solutions

What Is a Dry-Type Transformer?

Dry-type transformers are transformers that use air or epoxy resin instead of oil for insulation and cooling.

This design eliminates the risk of oil leakage and reduces fire hazards, making them ideal for indoor use in environments such as hospitals, shopping centers, and industrial plants.

How Do They Work?

They operate on the same electromagnetic induction principle as traditional transformers, but heat generated during operation is dissipated through natural or forced air circulation.

Epoxy encapsulation provides additional mechanical strength and resistance to humidity and dust.

Advantages

• Environmentally friendly and maintenance-free

• Fire-safe — no flammable liquids

• Quiet operation suitable for indoor environments

• Resistant to moisture, corrosion, and chemical exposure

Typical Applications

• Indoor substations

• Renewable energy systems

• High-rise buildings and hospitals

• Industrial automation facilities

Nasaen Energy’s Approach

Nasaen Energy collaborates with trusted manufacturers to deliver dry-type transformers that meet international IEC and ANSI standards.

We ensure performance reliability, long service life, and efficient thermal management for critical indoor operations.