Notes
No access in application mode
A05
.
9016 Connect open load to B alive 2 [On] The CBB closure of an open load onto
an alive busbar system B is enabled.
O The CBB closure of an open load onto
an alive busbar system B is disabled.
This parameter determines an open
load closure in a situation when
busbar system B is alive.
Notes
No access in application mode
A05
.
Case 2: System A / System B Closure
This logic works in breaker mode "PARALLEL" only.
This case describes the coupling from System A and System B (both breakers will be
closed). The closing of CBA has a higher priority than the closing of CBB.
System A
System B
CBA
CBB
Connect
A dead to B dead
On/Off
System A
System B
CBA
CBB
Connect
A dead to B alive
On/Off
System A
System B
CBA
CBB
System A
System B
CBA
CBB
Connect
A alive to B dead
On/Off
System A
System B
CBA
CBB
System A
System B
CBA
CBB
Close
Command
active
Close
Command
active
Close
Command
active
Close
Command
active
Close
Command
active
Close
Command
active
Fig. 78: Dead busbar: System A/B closure
The LS-5x2 provides dierent cases of dead busbar closure. These cases are individually
detected and can be blocked by conguration.
The cases are congured by parameter:
• 8802 Connect A dead to B dead On/O
• 8803 Connect A dead to B alive On/O
156 LS-5 v2 Series 37650
4 Conguration
4.4 Congure Application