Technical description
3 Supporting functions
3.13 Combined overcurrent status
VM259.EN007
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175
3.13.
Combined overcurrent status
This function is collecting faults, fault types and registered
fault currents of all enabled overcurrent stages.
Line fault parameters
Parameter
Value
Unit
Description
Note
IFltLas
xIn
Current of the latest
overcurrent fault
(Set)
LINE ALARM
Alr
L1
Alr
L2
Alr
L3
0
1
Start (=alarm) status for each
phase.
0=No start since alarm ClrDly
1=Start is on
OCs
0
1
Combined overcurrent start
status.
Alr
L1
=Alr
L2
=Alr
L3
=0
Alr
L1
=1 orAlr
L2
=1 or Alr
L3
=1
LxAlarm
On
Off
'On' Event enabling for
Alr
L1
...3
Events are enabled
Events are disabled
Set
LxAlarmOff
On
Off
'Off' Event enabling for
Alr
L1
...3
Events are enabled
Events are disabled
Set
OCAlarm
On
Off
'On' Event enabling for
combined o/c starts
Events are enabled
Events are disabled
Set
OCAlarmOff
On
Off
'Off' Event enabling for
combined o/c starts
Events are enabled
Events are disabled
Set
IncFltEvnt
On
Off
Disabling several start and
trip events of the same fault
Several events are enabled
*)
Several events of an
increasing fault is disabled
**)
Set
ClrDly
0 ...
65535
s
Duration for active alarm
status Alr
L1
, Alr2, Alr
L3
and
OCs
Set