Product category: product center box type substation Series Product Description: urban power supply underground workers, low noise, green environmental protection; Unique ventilation structure; High reliability, simple installation details product introduction:     About 1 / 3 or 2 / 3 of the height of the whole box transformer is directly buried underground, which effectively reduces the ground height, does not block the sight of pedestrians and drivers, and makes the equipment more harmonious with the environment; The underground part is made of steel frame and BFE high strength cement short glass fiber composite material, which is used to make the shell of sealed bottom cabin structure; Electrical scheme configuration is flexible, high-voltage ring network or terminal can be used, low-voltage fixed or panel type is flexible; The production cycle is short, the foundation is simple, the installation can be done only by laying the cushion, and the backfill can be directly tamped after connecting the cables, so as to save the foundation materials and shorten the construction period. Performance features: patented technology, national patented technology, maintenance free, anti-seepage, leak proof. Unique in and out way, flexible cable duct. Perfect ventilation system, unique ventilation duct and structure. The shell has strong adaptability to the environment. About 1 / 3 or 2 / 3 of the height of the whole box transformer is directly buried underground, which effectively reduces the ground height, does not block the sight of pedestrians and drivers, and makes the equipment more harmonious with the environment. The inner part of the steel structure framework is made of steel structure framework, and the outer part is made of BFE high strength cement short glass fiber composite material, which is a sealed shell of the bottom cabin structure.