HV side switchgear for compact substation

HV side switchgear for compact substation

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HV side switchgear for compact substation(GIS RMU):


RMR is a ring main unit for the secondary distribution network. RMR can be supplied in 10 different configurations suitable for most switching applications in 12/24/36 kV distribution networks. It is extendable and combined with the Safe Plus concept, which is ABB’s flexible, modular compact switch gear, they represent a complete solution for 12/24/36 kV secondary distribution networks.

RMR is a completely sealed system with a stainless steel tank containing all live parts and switching functions. A sealed steel tank with constant atmospheric conditions ensures a high level of reliability as well as personnel safety and a virtually maintenance-free system. The RMR concept offers a choice of either switch-fuse combination or circuit-breaker with relay for protection of the transformer. RMR can be supplied with an integrated remote control and monitoring unit.

This product is in conformity with the standards of IEC60420, GB/T11022, GB3804,GB3906

 

Service environment:


a) Air temperature: Maximum temperature: +40℃; Minimum temperature:-20℃

b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .

c) Altitude above sea level: Maximum installation altitude: 2500m

d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

e) No frequent violent shake

 

Specification:

No

Item

Unit

C Module

F Module

V Module

1

Rated voltage

kV

12/24/36

2

Rated current

A

630

3

Rated frequency

Hz

50/60

4

1min Power frequency withstand voltage

kV

28/50/70/80

5

Lightning impulse withstand voltage

kV

75/95/125/170/195



RMR is a ring main unit for the secondary distribution network. RMR can be supplied in 10 different configurations suitable for most switching applications in 12/24/36 kV distribution networks.