GAS INSULATED SWITCHGEAR

Cavanna GIS RMU

Gas Insulated Switchgear:

We can provide a series of SF6 RMU components and also give the technical supporting for valued customers to produce SF6 RMU. 

  • Incoming cabinets(C cabinet)
  • Fuse cabinets(F cabinet)
  • Vcb cabinets(V cabinet)
  • PT cabinets(PT cabinet)

Gas Insulated Switchgear Common combination of cabinet as follow:

  • C+C+C
  • C+C+F
  • C+F+C
  • C+V+V
  • C+C+F+F
  • C+V+V+PT

gas electric switch, us SF6  gas as insulating medium for breaker and switchgear.

ItemUnitC CabinetF CabinetV CabinetCB Cabinet
LBSLBS+FuseVacuum circuit switchDisconnecting switch
/ground switch
Vacuum circuit breakerDisconnecting switch
/ground switch
Rated voltageKV 1212121212
Rated frequencyHZ505050505050
Withstand voltageKV42/4842/4842/4842/4842/4842/48
BILKV75/8575/8575/8S75/8575/8575/85
Rated current A630 630 1250/630 
Breaking capacity       
Rated open circuit currentA630     
Rated peak withstand currentkA50     
Rated short-time withstand currentkA/3520     
Rated short circuit breaking currentkA 31.520 25 
Rated transfer currentA 1700    
Max fuse currentA 125    
mechanical service lifeTime500030005000200050005000

 

Non-extended standard modules of gas insulated switchgear:

Each module of the CA-SRM switch cabinet has the following configuration:

D cabinet – Lifting module,
Standard feature in “Cable connection module without grounding switch “
C cabinet – Load switch module
Standard feature in “Load Switch Module”
F cabinet – load switch fuse combined electrical module
Standard feature in “load switch fuse combination electrical module”
V cabinet – Vacuum switch module
Standard feature in Vacuum Switch Module

Configuration:
Capacitive voltage indicator for linear access bushings
SF6 density gauge is installed in each chamber
Hanging lugs for lifting
operating handle

gas insulated switchgear

General common gas tank combination:

Basic Functional Modules - Expansionable gas insulated switchgear

C cabinet – Load switch module (width =325mm)
De cabinet – Cable connection module with grounding knife (width =325mm)
D cabinet – cable connection module without grounding knife (width =325mm)
F cabinet – Load switch fuse combined electrical module (width =325mm)
V cabinet – Vacuum switch module (width =325mm)
SL cabinet – bus block switch module (load switch)(width =325mm)
SvBr cabinet – bus segment switch module (vacuum switch)( width =650mm)
Be cabinet – bus grounding module (width =325mm)
M/PT cabinet – meter module 12KV(width =650mm)
Meter module 24KV(width =900mm)
CB cabinet – Vacuum circuit breaker module (width =650mm)
Note:
Single CA-SRM module can only be used with an extension header. All width base on 12/24kV.