intermittent ground fault is present or not. For with oper. dir., recording starts when a direction pulse in
the direction parameterized at 3402 has been detected.
Settings
Addr. Parameter Setting Options Default Setting Comments
3401 Dir. Interm. EF OFF
ON
ON with GF log
Alarm Only
OFF Dir. Intermittent earth fault
protection
3402 Direction Forward
Reverse
Forward Direction to be protected
3403 No. of pulses 2 .. 50 5 Pulse no. for detecting the interm.
E/F
3404 Monitoring time 0.04 .. 10.00 sec 2.00 sec Monitoring time after pickup
detected
3405 Vgnd> / 3V0> 2.0 .. 100.0 V 20.0 V Vgnd> measured / 3V0> calcu-
lated
3406 Pickup with Vgnd/3V0>
with oper. dir.
with Vgnd/3V0> Pickup of the function
Information List
No.
Information Type of
Informa-
tion
Comments
6951 >dIEF block SP >Block directional interm. E/F prot.
6961 dIEF OFF OUT Dir. Interm. E/F prot. is switched off
6962 dIEF blocked OUT Dir. Interm. E/F prot. is blocked
6963 dIEF active OUT Dir. Interm. E/F prot. is active
6972 dIEF pick up OUT dIEF: pick up
6973 dIEF TRIP OUT dIEF: Trip
6974 No.forward= VI dIEF: No. of detected forward pulses =
6975 No.reverse= VI dIEF: No. of detected reverse pulses =
6976 No.undef.= VI dIEF: No. of detected undefined pulses =
6979 dIEF ALARM OUT dIEF: Alarm
2.15.3
2.15.4
Functions
2.15 Dir. Intermittent earth fault protection
SIPROTEC 4, 7SJ62/64, Manual 235
C53000-G1140-C207-8, Edition 08.2016