VAMP 259 - Page 82

2.7 Directional overcurrent protection
Idir> (67)
2 Protection functions
Technical description
82
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VM259.EN007
Recorded values of the latest eight faults
There are detailed information available of the eight latest
faults: Time stamp, fault type, fault current, load current
before the fault, elapsed delay and setting group.
Recorded values of the directional overcurrent stages (8
latest faults) I
dir
>, I
dir
>>, I
dir
>>>, I
dir
>>>> (67)
Parameter
Value
Unit
Description
yyyy-mm-dd
Time stamp of the recording, date
hh:mm:ss.ms
Time stamp, time of day
Type
1-N
2-N
3-N
1-2
2-3
3-1
1-2-3
Fault type
Ground fault
Ground fault
Ground fault
Two phase fault
Two phase fault
Two phase fault
Three phase fault
Flt
xIn
Maximum fault current
Load
xIn
1 s average phase currents before
the fault
EDly
%
Elapsed time of the operating time
setting. 100% = trip
Angle

Fault angle in degrees
U1
xUn
Positive sequence voltage during
fault
SetGrp
1
2
Active setting group during fault