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4-30
Supporting Functions
857-UM001A-EN-P – July 2009
Table 4.21 – Setting Parameters of Earth-fault Location: EFDi
Parameter
Value
EFMode
Normal;
Reverse
TrigIn
Io1;Io2;DI1
UoTrig
1 ... 80
Itrig
10 ... 800
Event
On: Off
Table 4.22 – Measured and Recorded Values of Earth-fault Location: EFDi
Parameter
Measured
Fault ph
values/
X
recorded
Date
values
Time
Time
Count
Unit
Default
-
Normal
Normal: The resistor is switched
ON during a fault.
Reverse: The resistor is switched
OFF during a fault
-
Io
Triggering input:
Io1: earth fault current will trig the
function.
Io2: negative phase sequence
current will trig the function
DI1: the function is triggered by
activating the digital input 1
% Uon
20
Trig level for Uo
% In
80
Trig level for current
-
On
Event mask
Value
Unit
Fault phase information
ohm
Fault reactance
-
Fault date
-
Fault time
ms
Fault time
-
Number of faults
Description
Description
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