Dry-type transformers are a type of transformers that do not use liquid coolant and are typically used in applications requiring higher safety and environmental friendliness. Based on different classification criteria, dry-type transformers can be categorized into several main types:

Dry-Type No-Load Transformer: This type of transformer is mainly used to transfer electrical energy from one voltage level to another without generating losses under load conditions. They are often employed in power systems for voltage transformation purposes, such as step-up, step-down, or isolation between different voltage levels.

Dry-Type Cast Resin Transformer: This is the most common type of dry-type transformer. They use insulating materials like epoxy resin to encapsulate windings and other critical components. This type of transformer is widely used in indoor environments due to its excellent insulation performance, absence of liquid coolant requirements, and environmental friendliness.

Dry-Type Isolation Transformer: This transformer is used to isolate the power supply voltage from the load voltage, providing electrical safety and insulation performance. They can also be used to suppress electromagnetic interference and provide grounding insulation.

Dry-Type Rectifier Transformer: This type of transformer is typically used in direct current (DC) power systems to convert alternating current (AC) voltage to direct current voltage. It finds applications in industrial equipment and power electronic devices.

Dry-Type Autotransformer: Autotransformers, unlike conventional transformers, share a portion of their winding. These transformers allow for different voltage transformations within a relatively smaller volume, but careful consideration of electrical isolation is needed.

These are just some of the main types of dry-type transformers. In practice, there might also be other customized transformer types to meet specific application needs. Regardless of the type of dry-type transformer used, they share common advantages such as lower maintenance requirements, higher safety, and environmental benefits.

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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