Areva WSB - Page 11

11
Basic modules of a
single busbar WSA switchgear
Circuit-breaker panel
- Circuit-breaker
- Disconnecting / earthing
switch
- Toroidal-core current trans-
former
- Multi-cable connection
- disconnectable, flange-
mounted voltage transfor-
mers with primary fuse
protec tion (on request in
case of 36 kV)
Circuit-breaker panel
- Circuit-breaker
- Disconnecting /
earthing switch
- Toroidal-core current
transformer
- Single cable connection
Circuit-breaker panel
- Circuit-breaker
- Disconnecting / earthing
switch
- Toroidal-core current
transformer
- Multi-cable connection
- disconne table, flange-
mounted voltage trans-
formers
Circuit-breaker panel
- Circuit-breaker
- Disconnecting / earthing
switch
- Toroidal-core current
transformer
- Single cable connection
- disconnectable, flange-
mounted voltage trans-
formers on the busbar
Bus section coupler
- Circuit-breaker
- Disconnecting / earthing
switch
- Toroidal-core current
transformer
- lower busbar tie connec-
tion in gas-filled compart-
ment
Bus sectionalizer
with disconnector in the
busbar run