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MEASUREMENTS
MEASUREMENTS
MEASUREMENTS
MEASUREMENTS
DEMAND VALUES
INFO
ln CT% 0.0
lc CT x 0.00
la CT x 0.00
lb CT x 0.00
ln CT:x.xx
lc CT:x.xx
lb CT:x.xx
la CT:x.xx
Cancel
n minute CT x 0.00
OPERATION
46 l(unbal)%
49 TH LEVEL% 0
1 minute CT x 0.00
Max CT x 0.00
1 minute CT:x.xx
n minute CT:x.xx
Max CT:x.xx
A070065
Fig. 4.2.1.2.-1 Monitoring measurements
To access the primary current values by activating the monitoring state:
1. Press
and simultaneously to view the primary line currents on phases I
a
,I
b
and I
c
and the ground-fault current, I
n
.
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 Ib x.xx
Ic x.xx In x.xx
Fig. 4.2.1.2.-2 Activating the monitoring state
Before you can monitor the correct primary current values, the
parameters M80 and M83 must be correctly set via serial
communication.
28
REF 610REF 610
Feeder Protection Relay
Operator's Manual - ANSI Version
1MRS755539
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