Ring Main Unit Rmu Electrical

Read more ring main unit rmu introduction.

Ring main unit rmu electrical.

The function of the ring main unit rmu is to connect the loop network and improve the reliability of the power supply such as the loop operation of the loop network or the load cut of the ring network. The ring main unit rmu is an electrical device applied to the power supply unit of the secondary distribution system. Sfa rm units are designed to supply reliable energy and protect electrical equipment in secondary distribution networks up to 36 kv. The primary switching devices can be either switch disconnectors or fused switch disconnectors or circuit breakers.

In an electrical power distribution system a ring main unit rmu is a factory assembled metal enclosed set of switchgear used at the load connection points of a ring type distribution network. It is a complete switchgear in itself. It includes in one unit two switches that can connect the load to either or both main conductors and a fusible switch or circuit breaker and switch that feed a distribution transformer. A complete switchgear means assembly of required switching devices protection device as well as metering device.

Sfa rm units are the best solution for indoor outdoor distribution substations as their compact design makes them suitable for various network applications such as transformer substations. Visit our website to get more information. Ring main unit rmu is a compact enclosed and sealed type of switchgear used for medium voltage power distribution. A ring main unit rmu is a totally sealed gas insulated compact switchgear unit.

Rmu of different voltage mostly 12 kv and 24 kv and current ratings are. Both oil and gas insulated ring main units are the result of extensive innovation using advanced technologies and are subjected to extensive testing and safety. With over 20 years experience in mv electrical products manufacturing orecco brings unmatched expertise and quality compliance by conforming to iec standard requirements. Rmu is an all in one solution and is safe easy to install and maintenance free switchgear helping the utilities improve reliability uptime of the network and reduce the operational costs.

An rmu is a ring main unit a type of switchgear used to connect distribution transformers to an underground secondary distribution 11 kv in the uk cable ring main system. Electrical automation offer expertise for ring main unit rmu in india. Ring main units our range of ring main units rmus are all suitable for both indoor and outdoor locations and are designed to operate in the most extreme environmental conditions. Currently orecco operates 6 member factories who producing the products ranges such as gas insulated ring main unit gas insulated switchgear vacuum circuit breakers.

Different combinations of these primary switching devices within the unit are commonly used.