ABB Relion 605 Series - Page 30

Section 4 1MDU07212-YN Rev. D
Protection and Control Function
24 REF601 / REJ601 / REM601
Application Manual
Figure 5: Auto reclose control
O→I cycle 2 … 4 are initiated with a protection trip signal according the selected
initiation logic during the set reclaim time t
r
. which is started by close command of
the previous O→I cycle. For the start of O→I cycle 2 … 4 the CB ready signal is
not considered.
The auto reclose cycle could get interrupted respective aborted by the signal O→I
blocked and result in a final trip:
Figure 6: Auto reclose control
If the CB gets closed manually, the auto reclose function is
blocked for the time t
b
.
In case if no binary inputs are configured for indicating circuit
breaker position, the setting O→I cycle will automatically sets to
“0” (Auto Reclose not in use) to avoid any mal-operation.
4.7.2.1 Setting range for Auto-reclose function
Table 12: Setting ranges for Auto-reclose function I <-> O, 79
Parameter
Description
Range
Unit
Step
Default
O→I start mode
Auto reclose initialization mode
1 = Select Trip
2 = Gen Start &
Trip
1
1
CB ready
Type of CB ready signal
available
1 = OCO
2 = CO
1
1
# of cycle
Number of Auto reclose cycles
(0 = Auto-reclose not in use)
0 … 4
1
1
Activate t
Time between General Start
and General Trip for activation
of O→I in Mode 2
0.1 … 5
s
0.1
0.8