The secondary equipment cabin is highly integrated with the integrated automation system, which has the functions of monitoring, control and telecontrol communication of conventional substation. At the same time, it is equipped with perfect security and video monitoring system, fire alarm system and air conditioning system. It has unattended conditions to realize the installation and connection of panels and cabinets in the factory and transport them to the site in sections or as a whole, Only the cabin needs to be simply spliced on site, which greatly reduces the on-site workload.The overall product has the advantages of safety and reliability, small floor area, short construction cycle, long service life and flexible layout. It can be designed flexibly according to the geographical location and meteorological conditions of the station, and can also be constructed by stages according to the long-term planning of this phase. It can be relocated in different places in a short time. It has a beautiful and diverse appearance, and the color painting and spraying can be integrated with the surrounding environment.