Siemens SIPROTEC 7SJ80

Addr. Parameter Function C Setting Options Default Setting Comments
3160 α1 red.dir.area Sens. Gnd Fault 1 .. 15 ° 2 ° Alpha1 (reduction direc-
tional area)
3161 α2 red.dir.area Sens. Gnd Fault 1 .. 15 ° 2 ° Alpha2 (reduction direc-
tional area)
3301 INTERM.EF Intermit. EF OFF
ON
OFF Intermittent earth fault
protection
3302 Iie> Intermit. EF 1A 0.05 .. 35.00 A 1.00 A Pick-up value of interm.
E/F stage
5A 0.25 .. 175.00 A 5.00 A
3302 Iie> Intermit. EF 1A 0.05 .. 35.00 A 1.00 A Pick-up value of interm.
E/F stage
5A 0.25 .. 175.00 A 5.00 A
3302 Iie> Intermit. EF 0.005 .. 1.500 A 1.000 A Pick-up value of interm.
E/F stage
3303 T-det.ext. Intermit. EF 0.00 .. 10.00 sec 0.10 sec Detection extension time
3304 T-sum det. Intermit. EF 0.00 .. 100.00 sec 20.00 sec Sum of detection times
3305 T-reset Intermit. EF 1 .. 600 sec 300 sec Reset time
3306 Nos.det. Intermit. EF 2 .. 10 3 No. of det. for start of int.
E/F prot
3401 Dir. Interm. EF Dir. Interm. EF OFF
ON
ON with GF log
Alarm Only
OFF Dir. Intermittent earth
fault protection
3402 Direction Dir. Interm. EF Forward
Reverse
Forward Direction to be protected
3403 No. of pulses Dir. Interm. EF 2 .. 50 5 Pulse no. for detecting
the interm. E/F
3404 Monitoring time Dir. Interm. EF 0.04 .. 10.00 sec 2.00 sec Monitoring time after
pickup detected
3405 Vgnd> / 3V0> Dir. Interm. EF 2.0 .. 100.0 V 20.0 V Vgnd> measured / 3V0>
calculated
3406 Pickup Dir. Interm. EF with Vgnd/3V0>
with oper. dir.
with Vgnd/3V0> Pickup of the function
3501 EPTR E Flt(ext) OFF
ON
OFF EPTR
3502 Trans. Neutral E Flt(ext) OFF
ON
OFF Transformer Neutral
protection(TNP)
3503 Pickup current E Flt(ext) 1A 0.001 .. 1.400 A 0.008 A Pickup current
5A 0.005 .. 7.000 A 0.040 A
3504 Pickup current E Flt(ext) 0.05 .. 4.00 A 0.12 A Pickup current
3505 EPTR I Tmax E Flt(ext) 1A 0.001 .. 1.400 A 0.008 A Current at Maximum
Time Delay
5A 0.005 .. 7.000 A 0.040 A
3506 TNP I Tmax E Flt(ext) 0.05 .. 4.00 A 0.12 A Current at Maximum
Time Delay
3507 EPTR I Tmin E Flt(ext) 1A 0.003 .. 4.000 A 3.333 A Current at Minimum Time
Delay
5A 0.015 .. 20.000 A 16.665 A
3508 TNP I Tmin E Flt(ext) 0.05 .. 20.00 A 1.00 A Current at Minimum Time
Delay
3509 EPTR I Tknee E Flt(ext) 1A 0.003 .. 1.400 A 0.100 A Current at Knee Point
5A 0.015 .. 7.000 A 0.500 A
3510 TNP I Tknee E Flt(ext) 0.05 .. 17.00 A 0.20 A Current at Knee Point
Functions, Settings, Information
F.2 Settings
SIPROTEC 4, 7SJ80, Manual 487
E50417-G1140-C343-A8, Edition 12.2017