What are the structures of dry-type transformers?

The structure of dry-type transformers is divided into three parts: open type, closed type, and pouring type.

1. Open type: It is a commonly used form. Its body will be in direct contact with the atmosphere. It is usually used in a clean room without dust influence. (When the ambient temperature is 20 degrees, the relative humidity should not exceed 90%). Generally, there are Air self-cooling and air-cooling two cooling methods.

2. dry-type transformer

3.