ABB REF 610 Operator's Manual page 28

REF 610 REF 610
Main Menu
MEASUREMENTS
RECORDED DATA
OPERATION
SETTINGS
CONFIGURATION
INFO
Fig. 4.2.1.2.-1 Monitoring measurements
28
Feeder Protection Relay
Operator's Manual - ANSI Version
Group Menu
MEASUREMENTS
la CT x 0.00
lb CT x 0.00
lc CT x 0.00
ln CT% 0.0
46 l(unbal)%
49 TH LEVEL% 0
DEMAND VALUES
To access the primary current values by activating the monitoring state:
1. Press and
and I and the ground-fault current, I
c
2. Press to return the display to the idle mode.
The display has to be in the idle mode to be able to activate the monitoring state.
The display is not returned to the idle mode automatically as the monitoring state
does not have a time out. In case a fault is detected, however, the fault target
displaces the monitoring state.
- ABB
Ia x.xx
Ic x.xx
Fig. 4.2.1.2.-2
Before you can monitor the correct primary current values, the
parameters M80 and M83 must be correctly set via serial
communication.
Parameter Menu
MEASUREMENTS
la CT:x.xx
lb CT:x.xx
lc CT:x.xx
ln CT:x.xx
MEASUREMENTS
1 minute CT x 0.00
n minute CT x 0.00
Max CT x 0.00
simultaneously to view the primary line currents on phases I
.
n
-
+
Ib x.xx
In x.xx
Activating the monitoring state
Cancel
MEASUREMENTS
1 minute CT:x.xx
n minute CT:x.xx
Max CT:x.xx
1MRS755539
A070065
, I
a b