HGGN□-12 AC solid insulated enclosed ring main unit is a kind of solid insulated vacuum switchgear with full insulation, full sealing and maintenance free. The high-voltage live parts are all cast with epoxy resin materials with excellent insulation performance. The vacuum interrupter, main electric circuit and insulation support are organically combined as a whole. The functional units are connected through fully insulated solid bus.

PLC control cabinet refers to a complete set of control cabinets, which can realize the automatic operation of motors, switches and other equipment, and can also be a signal processing cabinet that receives, processes and stores external signals.

With the large-scale development of distributed photovoltaic power generation, the use of photovoltaic grid-connected cabinets is increasing. There are many types of distribution cabinets in the domestic power supply and distribution system, and their cabinet structures and technical parameters are different. Under the influence of the following factors, the designed drawings often need to be modified or even redesigned, which not only affects the construction plan of the power supply and distribution system, but also brings certain troubles to the distribution cabinet manufacturers to complete the production of distribution cabinets on time and with quality.