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Definition and Principle of Dry-Type Transformer


Release time:

Sep 20,2024

Dry-type transformers, that is, transformers that do not rely on natural wind cooling of other cooling media, the insulating medium is air or other dry gases.

Dry-type transformers, that is, transformers that do not rely on natural wind cooling of other cooling media, the insulating medium is air or other dry gases. According to Faraday's law of electromagnetic induction, it uses AC electromagnetic field to generate electromotive force in a coil, so as to realize the rise and fall of voltage. Compared with oil-immersed transformers, the main difference of dry-type transformers is that their cores and windings are not immersed in insulating oil.

Focus on hot spots

Transformer core grounding and safety

The manufacturing process of transformer iron core involves many links, including cutting, stacking and fixing of silicon steel sheet.

Application and classification of transformer core

Transformers according to its use can be divided into power transformers, test transformers, instrument transformers and special purpose transformers and other types.

Material and structure of transformer core

Material: Transformer core is usually made of silicon steel sheet or NiFe (nickel-iron) alloy and other materials.

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