Areva WSB - Page 12

12
Basic modules of a
single busbar WSA switchgear
End panel
Cable connection in
downward direction
for inner cone-type bushings
size 1 – 3, or fully insulated
conductor bar terminal
End panel
Cable connection in
upward direction
for inner cone-type bushings
size 1 – 3, or fully insulated
conductor bar terminal
Busbar metering panel
with current transformers in
the busbar run
Busbar metering panel
with current transformers in
the busbar run and metal-
enclosed voltage transfor-
mers in feeder panel area,
connected via cable
Busbar earthing
with earthing switch in the
busbar run
1 Cable connection
and earthing for work
purposes on the
busbar, e.g. for
metal-enclosed bus-
bar voltage trans -
formers or cable
connections. Inner
cone-type bushings,
size 1 or 2
2 Fully insulated con-
ductor bar terminal
forward, to busbar
ends
1
2