GE 489 - Manual (Page 138)

5-6 489 Generator Management Relay GE Multilin
5.2 A1 STATUS 5 ACTUAL VALUES
5
Any active or latched alarms may be viewed here.
5.2.4 TRIP PICKUPS
PATH: ACTUAL VALUES Ö A1 STATUS ÖØ TRIP PICKUPS
THERMAL MODEL
ALARM: 100% TC USED
Range: 1 to 100%
The thermal capacity used is shown here.
TRIP COUNTER
ALARM: 25 Trips
Range: 1 to 10000
The number of generator trips is shown here.
BREAKER FAILURE
ALARM: Active
Range: Active, Latched. Active if condition that caused
the alarm is still present.
TRIP COIL MONITOR
ALARM: Active
Range: Active, Latched. Active if condition that caused
the alarm is still present.
VT FUSE FAILURE
ALARM: Active
Range: Active, Latched. Active if condition that caused
the alarm is still present.
CURRENT DEMAND
ALARM: 1053 A
Range: 1 to 999999 A.
The running current demand is shown here.
MW DEMAND
ALARM: 50.500
Range: –2000.000 to +2000.000 MW
Current Running MW Demand is shown here
Mvar DEMAND
ALARM: –20.000
Range: –2000.000 to +2000.000 Mvar
Current Running Mvar Demand is shown here
MVA DEMAND
ALARM: 20.000
Range: 0 to 2000.000 MVA
Current Running MVA Demand is shown here
GEN. RUNNING HOURS
ALARM: 1000 h
Range: 0 to 1000000 hrs. Seen only if the Running
Hour Alarm is enabled.
ANALOG I/P 1
ALARM: 201 Units
Range: –50000 to +50000. Reflects the Analog Input 1
Name. The Analog Input level is shown here.
ANALOG I/P 2
ALARM: 201 Units
Range: –50000 to +50000. Reflects the Analog Input 2
Name. The Analog Input level is shown here.
ANALOG I/P 3
ALARM: 201 Units
Range: –50000 to +50000. Reflects the Analog Input 3
Name. The Analog Input level is shown here.
ANALOG I/P 4
ALARM: 201 Units
Range: –50000 to +50000. Reflects the Analog Input 4
Name. The Analog Input level is shown here.
ALARM, 489 NOT
INSERTED PROPERLY
If the 489 chassis is only partially engaged with the
case, this service alarm appears after 1 sec.
Secure the chassis handle to ensure that all
contacts mate properly
489 NOT IN SERVICE
Simulation Mode
Range: Not Programmed, Simulation Mode, Output
Relays Forced, Analog Output Forced, Test
Switch Shorted
IRIG-B FAILURE
ALARM: Active
Range: Active. Seen only if IRIG-B is enabled and the
associated signal input is lost.
„ TRIP PICKUPS
„ [ENTER] for more
Input A
PICKUP: Not Enabled
Range: Not Enabled, Inactive, Timing Out, Active Trip,
Latched Trip. Reflects Input Name as
programmed. Seen only if function assigned is
an input.
Input B
PICKUP: Not Enabled
Range: see Input A PICKUP above
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