Rmu 11kv Ring Main Unit Circuit Diagram

Technical specification for 22 and 11 kv ring main unit switchgear table of contents 1 0 scope 2 0 general 3 0 standards 4 0 the standards mentioned above are available from 5 0 climate conditions 6 0 rmu outdoor metal clad 7 0 take off terminal units for future automation 8 0 isolator load break type.

Rmu 11kv ring main unit circuit diagram. Front view and single line diagram efi 21ka 17 5 kv 400a ct. 17 5 kv 2 ring switches up to 630a 1 vacuum circuit breaker up to 630a. 11kv sf6 ring main unit. Advantages of ring main units.

The major advantage of ring main units is the safety they provide to the operators. A ring main unit rmu is a totally sealed gas insulated compact switchgear unit. Front view and single line diagram figure 2. Ring main unit circuit diagram.

11kv ring main distribution network scientific diagram. 17 5 kv 2 ring switches up to 630 a 1 vacuum circuit breaker up to 630a. This incomer feeder is given with the provision of bushing protruding from the enclosure of rmu for supply cable connection. Different combinations of these primary switching devices within the unit are commonly used.

Ideal power transmission and distribution system huanghua group co ltd. Is a science and technology professional company specializing in power transmission and distribution electrical equipment and new energy industry below 35kv. Ring main unit comprises of one incomer feeder and one or more outgoing feeder. The incomer feeder is either vacuum circuit breaker or sf 6 circuit breaker with associated disconnect switch and earth switch.

Sbs 3 way compact indoor type rmu sbs 3 way compact outdoor type rmu figure 1. As one of the leading manufacturers of sf6 ring main unit manufacturers orecco focusing on providing the medium voltage rmu unit ranging from 11kv to 33kv. 11kv sf6 ring main unit rmu for secondary distribution network was designed by orecco with the advantages of uninterrupted power supply. These units allow the connection of transformers through under ground cables and also provide protection to the transformers.

Ring main units are available in different voltage ratings ranging from 11kv to 33kv. 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. The primary switching devices can be either switch disconnectors or fused switch disconnectors or circuit breakers. Ring main distribution with rmu power unit as an important part of circuit breaker introduction it is the manufacturers and function does a serve cur interruption technologies.

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.