ABB Relion 620 Series - Page 780

Name Type Default Description
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
CB_CLOSED BOOLEAN 0=False Input showing the
status of capacitor
circuit breaker
Table 740: COLPTOC Output signals
Name Type Description
OPR_OVLOD BOOLEAN Overload operated
OPR_UN_I BOOLEAN Operate under current
ST_OVLOD BOOLEAN Overload started
ST_UN_I BOOLEAN Under current started
ALARM BOOLEAN Alarm
BLK_CLOSE BOOLEAN Inhibit re-close of capacitor
bank
4.12.1.7 Settings
Table 741: COLPTOC Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Start value over-
load
0.30...1.50 xIn 0.01 1.00 Start value for
overload stage
Alarm start value 80...120 % 1 105 Alarm start value
(% of Start value
overload)
Start value Un Cur 0.10...0.70 xIn 0.01 0.50 Start value for un-
der current opera-
tion
Time multiplier 0.05...2.00 0.01 1.00 Time multiplier for
Capacitor Bank
protection curves
Table continues on the next page
Protection functions 1MRS757644 H
780 620 series
Technical Manual