Solar high current ring main unit connector China

What is ring main unit construction?

A ring main unit construction is made up of four parts. The switching room consists of several functional circuits. It includes load switches and ground switches. These are sealed in the busbar and metal housing between them. Three cold welds the shell rolled steel plates. Every functional loop is composed of a ground switch and a load switch.

Are solid insulated ring main units a good choice?

Solid insulated RMUs are more compact and environmentally safer. They are built as logical choices for consumers using medium voltage distribution systems. So if you want to provide power for up to 24kV substations, solid insulated ring main units will be probably a good option.

What is ring main unit specification?

The ring main unit specification of the components shall follow to the requirements of the specifications of the rmu unit manufacturer. The number shall follow to the electrical wiring drawings; the positions shall be organized according to the order of the upper, lower, left and right of the components.

Which ring main unit is the most cost-efficient?

Among the ring main unit types, the fuse type ring main unit is the most cost-efficient and can support up to 2000kVA distribution substations. Breaker type ring main units are used especially in protecting the ring main network from fault currents.

Where is ring the main unit used?

So ring the main unit is now widely used in residential buildings, public places, factory buildings and other buildings, especially in medium and small capacity compact stations.

Are air insulated ring main units a good choice?

These ring main units are also ideal for rural and industrial settings. Some oil insulated RMU manufacturers provide non-extensible, extensible and modular options that can be incorporated even in the most extreme conditions. Air insulated ring main units on the other hand can work smoothly even reducing a number of its components.