The difference between solid cabinet, inflatable cabinet and ring network cabinet is as follows:

1. Solid cabinet (solid insulated ring network cabinet) is the upgrading equipment of ordinary ring network cabinet with the same nature as inflatable cabinet. The insulation of solid cabinet is different from that of inflatable cabinet which is insulated by gas. The insulation form of solid cabinet is epoxy resin, which is used to cast the switch and the high-voltage live parts as a whole. Epoxy resin is used to seal the switch as a new type of power distribution equipment with ground and phase insulation of the charged body. As an upgraded version of ordinary ring network cabinet, solid cabinet has better insulation performance compared with inflatable cabinet, and has better adaptability to harsh environment than inflatable cabinet. Solid cabinet and inflatable cabinet can be reasonably selected according to the use environment.

2, inflatable cabinet (gas insulated ring network cabinet) in addition to the power supply inlet and outlet line has a special connecting appliance, cabinet and cabinet connection is in a complete gas chamber, which is filled with SF6 gas, switch and high pressure live parts are sealed in the SF6 gas box, compared with the traditional ring network cabinet has a quality improvement in life and safety, Compared with solid cabinet, it has higher economy and cost performance. At present, most of the new ring network cabinets have been inflatable cabinets as the first choice to replace the ring network cabinets!

3, ring network cabinet has three forms of air insulation, fully enclosed inflatable cabinet and solid insulation, air insulation is the use of ordinary SF6 load switch through copper bar connected into a set of system, SF6 load switch is filled with sulfur hexafluoride gas, other live parts are made by ordinary insulation.

First, the production and processing technology of solid cabinet and inflatable cabinet is different:

1, solid insulation cabinet is the arc extinguishing chamber and its related components are selected to carry out the overall casting of epoxy resin glue. That benefit is to make the high voltage switch cabinet goods volume is reduced, compact structure, the power switch internal two colors and safety insulation spacing to reduce to a lot of mm, waterproof level further improved, more than IP68. Enhanced explosion-proof characteristics, no exposed point body, so it is not easy to suffer from dust or damp and cold harm and lead to short circuit fault.

2, the inflatable cabinet is air-tight structure, the busbar slot, power switch and part of the induction are enclosed in the stainless steel plate housing. The benefit is that a conductive system software completely separate in the software environment as vapor material, not easy to suffer from external hazards such as essence, dirt, corrosion resistance, animals and so on, to ensure free maintenance. Suitable for a variety of extreme sites, waterproof rating over IP67.

Ii. The power transmission and distribution modes of solid cabinet and inflatable cabinet are different:

The inflatable cabinet has different lines and different distribution stations. After going out, the door handle between each other is usually disconnected and operated separately. But if a power station fails, the route of the power station can be cut off, the connection is covered, and another power station can close the switch. Or a route load is too high, and the load is too low, can be broken from a point, by the lower load of the route to share part of the load, so as to ensure the credibility of the power supply system, but also to ensure the smooth operation of the power network.

Three, solid cabinet and inflatable cabinet common fault handling methods:

1. The inflatable cabinet is composed of many components. If most of the components are broken, the inflatable cabinet can't be used;

2, because the solid insulation cabinet is composed of many sealing modules, so if the inside 1 sealing module is removed to replace the bad components on the line.