22
1
1
1
1
1
1
2
2
2
2
2
2
BB = busbar
Interlocks in case of busbar earthing switch and bus sectionalizer
Switch positiong
Interlock
The earthing switch can only be switched on if all disconnectors assigned to
the busbar are “OFF”.
Earthing switch "ON". The interlock acts on all disconnectors assigned to
the busbar.
Bus sectionalizer locked in “ON” or “OFF” position, except when all disconnectors
in a busbar section are in “OFF” position.
Interlocks in case of bus coupler in two panel widths
on front control panel (interrogating lever locked electro-magnetically)
The interlocks act as appropriate in case of remote control
- Bus section coupler: analogously in case of single and double busbar switchgear
- Bus coupler: analogously in one panel width
- Interlocks: apply analogously even if BB1 and BB2 are interchanged
Circuit-breaker
ON
OFF
ON
OFF
OFF
ON
OFF button
free
–
blocked
–
–
blocked
2)
Energy-storing device
–
–
–
–
released
–
Disconnector panel 1
ON/(OFF)
ON
OFF
OFF
ON
ON
Interrogator lever, panel 1
blocked
free
blocked
free
free
blocked
Disconnector panel 2
OFF/(ON)
OFF
ON
OFF
OFF
ON
Interrogator lever, panel 2
blocked
free
blocked
free
free
blocked
Earthing switch, panel 1
OFF
OFF
ON
OFF
OFF
OFF
Interrogator lever, panel 1
blocked
blocked
free
blocked
blocked
blocked
Earthing switch, panel 2
OFF
OFF
OFF
OFF
OFF
OFF
Interrogator lever, panel 2
blocked
blocked
1)
blocked
blocked
blocked
blocked
1)
Blocked, if a disconnector in at least one feeder panel of BB1 is ON; interlocks apply analogously even if BB1 and BB2 are interchanged
2)
Blocked, if both disconnectors are in position “ON“ in at least one feeder panel (only valid for bus couplers)
Содержание WS Series
Страница 34: ...34 Fig 9 4 Circuit breaker drive 1 2 3 4 5 6 7 8 ...
Страница 36: ...36 Fig 9 6 Disconnector and earthing switch drive WSA Fig 9 7 Disconnector and earthing switch drive WSB ...
Страница 40: ...40 Notes ...
Страница 41: ...41 Notes ...
Страница 42: ...42 Notes ...
Страница 43: ......