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5 ACTUAL VALUES
5.3 A2 METERING DATA
S CURRENT METERING
S [ENTER] for more
All measured current values are displayed here. The CURRENT UNBALANCE is defined as the ratio of negative-
sequence to positive-sequence current, I
the motor I
is less than FLA, unbalance is defined as I
avg
vent nuisance alarms and trips when a motor is lightly loaded. The U/B BIASED MOTOR LOAD value shows the
equivalent motor heating current caused by the unbalance k factor.
GE Power Management
ð
A:
0 B:
0
ENTER
C:
0 Amps
ESCAPE
AVERAGE PHASE
ESCAPE
CURRENT: 0 Amps
MESSAGE
MOTOR LOAD:
ESCAPE
0.00 x FLA
MESSAGE
CURRENT UNBALANCE:
ESCAPE
0%
MESSAGE
U/B BIASED MOTOR
ESCAPE
LOAD: 0.00 x FLA
MESSAGE
GROUND CURRENT:
ESCAPE
0.0 Amps
MESSAGE
GROUND CURRENT:
ESCAPE
0.00 Amps
MESSAGE
A:
0 B:
0
ESCAPE
C:
0 Amps Diff.
MESSAGE
/ I
when the motor is operating at a load ( I
2
1
469 Motor Management Relay
5.3 A2 METERING DATA
5.3.1 CURRENT METERING
Range: 0 to 100000 A
Range: 0 to 100000 A
Range: 0.00 to 20.00 x FLA
Range: 0 to 99.99%
Range: 0.00 to 20.00 x FLA
Range: 0.0 to 5000.0 A
Seen only if Ground CT has 1 A or 5 A secondary
Range: 0.00 to 25.00 A
Seen only if Ground CT is 50:0.025
Range: 0 to 5000 A
/ I
× I
/ FLA. This derating is necessary to pre-
2
1
avg
) greater than FLA. If
avg
5-9
5
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