Product structure characteristics of photovoltaic power generation combined transformer (Meichang structure).
1. The box transformer structure is divided into transformer body, high-voltage room, low-voltage room and testing room. The six parts of the switch operation room and the fuse curtain can be arranged vertically or in a triangle type

2. The high-voltage side adopts a terminal load switch and fuse protection, and the fuse is a full-range current-limiting protection breaker.

3. The load switch and fuse are installed in the transformer oil tank, and the insulating oil of the transformer is used as the insulating medium and the heat dissipation medium, which has the advantages of compact structure and good heat dissipation performance as a whole.

4. The high-voltage side outlet adopts high-voltage dry-type casing to support the copper bus structure, which can facilitate the connection of multiple cables. The low-voltage side outlet can be directly discharged or the low-voltage outlet scheme can be configured according to user requirements.

5. The box door adopts windproof hinge, and all the doors on the box are opened outward, and the opening angle is not less than 90" and is equipped with a positioning device. The door has sealing measures, is equipped with door seals, has a buffer function, and is equipped with a handle, and the secret door can prevent rain, blockage, rust and damage.
6. The box body is a sealed anti-theft structure, and the cover is sealed with concealed high-strength bolts and oil-resistant nitrile rubber washers, and the whole box has no exposed detachable bolts.

7. The box body is made of stainless steel plate, and the paint is imported automobile paint, all of which are made of fanning paint method, which is anti-smoke, anti-humid heat, anti-mildew, and strong outdoor weather resistance. The area where the photovoltaic power station is located has low temperature, large temperature difference, high humidity, windy sand, and the box transformer has a reasonable protective structure, dustproof structure and low temperature resistance, which can meet the requirements of normal and safe operation of bad environmental conditions.