VAMP 259 - Page 184

3.16 Earth-fault location
3 Supporting functions
Technical description
184
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VM259.EN007
Setting parameters of earth-fault location EFDi:
Parameter
Value
Unit
Default
Description
EFMode
Normal;
Reverse
-
Normal
Normal: The resistor is
switched ON during a fault.
Reverse: The resistor is
switched OFF during a fault
TrigIn
I
0
;I2;DI1
-
I
0
Triggering input:
I
0
: earth fault current will
trig the function.
I2: negative phase sequence
current will trig the function
DI1: the function is
triggered by activating the
digital input 1
U
0
Trig
1 … 80
% Uon
20
Trig level for U
0
Itrig
10 … 800
% In
80
Trig level for current
Event
On: Off
-
On
Event mask
Measured and recorded values of earth-fault location EFDi:
Parameter
Value
Unit
Description
Measured
values/
recorded
values
Fault ph
Fault phase information
X
ohm
Fault reactance
Date
-
Fault date
Time
-
Fault time
Time
ms
Fault time
Count
-
Number of faults