Distance Relay Settings
GARD 8000 Distance Relay
RFL Electronics Inc.
7.8
FAULT RECORDER (DFR)
Description Range
Units
Step
Default
Trip Required
Determines whether a digital fault record should be saved
following a trip only (Yes) or from Pickup of the trig elements
(No).
No - Yes
-
1
No
Continuous Mode
If set to ‘Yes’, the DFR starts when a trig is activated and keeps
recording until the trig elements reset. When set to ‘No’, the
record starts when a trip is activated and keeps recording until
the pre-set ‘Length’ time is reached.
No - Yes
-
1
No
Pretrig Length
Number of pre-fault cycles in the record.
0 - 25
cycls 1
2
Total length
Number of fault cycles in the record when ‘Continuous Mode’ is set to ‘No’.
5 - 240
cycls 1
8
VA
Enables recording of analog channel voltage phase A
No - Yes
-
-
Yes
VB
Enables recording of analog channel voltage phase B
No - Yes
-
-
Yes
VC
Enables recording of analog channel voltage phase C
No - Yes
-
-
Yes
VSYNC
Enables recording of analog channel voltage synchronizing input
No - Yes
-
-
No
IA
Enables recording of analog channel current phase A
No - Yes
-
-
Yes
IB
Enables recording of analog channel current phase B
No - Yes
-
-
Yes
IC
Enables recording of analog channel current phase C
No - Yes
-
-
Yes
IPOL
Enables recording of analog channel current polarizing input
No - Yes
-
-
No
IGPAR
Enables recording of analog channel neutral current from parallel line
No - Yes
-
-
No
July 21, 2009
7-30
973.334.3100