ABB Relion 605 Series Applications Manual page 30

Section 4
Protection and Control Function
4.7.2.1
24
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
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
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.
Setting range for Auto-reclose function
Table 12: Setting ranges for Auto-reclose function I <-> O, 79
Parameter Description
O→I start mode Auto reclose initialization mode
CB ready Type of CB ready signal
available
# of cycle Number of Auto reclose cycles
(0 = Auto-reclose not in use)
Activate t Time between General Start
and General Trip for activation
of O→I in Mode 2
. which is started by close command of
r
.
b
Range
1 = Select Trip
2 = Gen Start &
Trip
1 = OCO
2 = CO
0 ... 4
0.1 ... 5
REF601 / REJ601 / REM601
1MDU07212-YN Rev. D
Unit Step Default
1 1
1 1
1 1
s 0.1 0.8
Application Manual