Gas Insulated Switchgear, RMU components
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
| Item | Unit | C Cabinet | F Cabinet | V Cabinet | CB Cabinet | ||
| LBS | LBS+Fuse | Vacuum circuit switch | Disconnecting switch /ground switch | Vacuum circuit breaker | Disconnecting switch /ground switch | ||
| Rated voltage | KV | 12 | 12 | 12 | 12 | 12 | |
| Rated frequency | HZ | 50 | 50 | 50 | 50 | 50 | 50 |
| Withstand voltage | KV | 42/48 | 42/48 | 42/48 | 42/48 | 42/48 | 42/48 |
| BIL | KV | 75/85 | 75/85 | 75/8S | 75/85 | 75/85 | 75/85 |
| Rated current | A | 630 | 630 | 1250/630 | |||
| Breaking capacity | |||||||
| Rated open circuit current | A | 630 | |||||
| Rated peak withstand current | kA | 50 | |||||
| Rated short-time withstand current | kA/35 | 20 | |||||
| Rated short circuit breaking current | kA | 31.5 | 20 | 25 | |||
| Rated transfer current | A | 1700 | |||||
| Max fuse current | A | 125 | |||||
| Mechanical service life | Time | 5000 | 3000 | 5000 | 2000 | 5000 | 5000 |
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
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.
Components of gas insulated switchgear
