Siemens SIPROTEC 4 - Page 630

Addr. Parameter Function C Setting Options Default Setting Comments
3128 51Ns I T knee Sens. Gnd Fault 0.003 .. 0.650 A 0.040 A 51Ns Current at Knee
Point
3128 51Ns I T knee Sens. Gnd Fault 1A 0.05 .. 17.00 A 5.00 A 51Ns Current at Knee
Point
5A 0.25 .. 85.00 A 25.00 A
3129 51Ns T knee Sens. Gnd Fault 0.20 .. 100.00 sec 23.60 sec 51Ns Time Delay at Knee
Point
3130 PU CRITERIA Sens. Gnd Fault Vgnd OR INs
Vgnd AND INs
Vgnd OR INs Sensitive Ground Fault
PICKUP criteria
3131 M.of PU TD Sens. Gnd Fault 1.00 ..
20.00 MofPU; ∞
0.01 .. 999.00 TD
Multiples of PU Time-Dial
3132 51Ns TD Sens. Gnd Fault 0.05 .. 1.50 0.20 51Ns Time Dial
3140 51Ns Tmin Sens. Gnd Fault 0.00 .. 30.00 sec 1.20 sec 51Ns Minimum Time
Delay
3140 51Ns T min Sens. Gnd Fault 0.10 .. 30.00 sec 0.80 sec 51Ns Minimum Time
Delay
3141 51Ns Tmax Sens. Gnd Fault 0.00 .. 30.00 sec 5.80 sec 51Ns Maximum Time
Delay
3141 51Ns T max Sens. Gnd Fault 0.50 .. 200.00 sec 93.00 sec 51Ns Maximum Time
Delay (at 51Ns PU)
3142 51Ns TIME DIAL Sens. Gnd Fault 0.05 .. 15.00 sec; ∞ 1.35 sec 51Ns Time Dial
3143 51Ns Startpoint Sens. Gnd Fault 1.0 .. 4.0 1.1 51Ns Start Point of
Inverse Charac.
3144 51Ns IEC CURVE Sens. Gnd Fault Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Normal Inverse IEC Curve
3145 51Ns ANSI CURVE Sens. Gnd Fault Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
Very Inverse ANSI Curve
3146 51Ns Drop-out Sens. Gnd Fault Instantaneous
Disk Emulation
Disk Emulation Drop-out characteristic
3150 50Ns-2 Vmin Sens. Gnd Fault 0.4 .. 50.0 V 2.0 V 50Ns-2 minimum voltage
3150 50Ns-2 Vmin Sens. Gnd Fault 1.8 .. 50.0 V 2.0 V 50Ns-2 minimum voltage
3150 50Ns-2 Vmin Sens. Gnd Fault 10.0 .. 90.0 V 10.0 V 50Ns-2 minimum voltage
3151 50Ns-2 Phi Sens. Gnd Fault -180.0 .. 180.0 ° -90.0 ° 50Ns-2 angle phi
3152 50Ns-2 DeltaPhi Sens. Gnd Fault 0.0 .. 180.0 ° 30.0 ° 50Ns-2 angle delta phi
3153 50Ns-1 Vmin Sens. Gnd Fault 0.4 .. 50.0 V 6.0 V 50Ns-1 minimum voltage
3153 50Ns-1 Vmin Sens. Gnd Fault 1.8 .. 50.0 V 6.0 V 50Ns-1 minimum voltage
3153 50Ns-1 Vmin Sens. Gnd Fault 10.0 .. 90.0 V 15.0 V 50Ns-1 minimum voltage
3154 50Ns-1 Phi Sens. Gnd Fault -180.0 .. 180.0 ° -160.0 ° 50Ns-1 angle phi
3155 50Ns-1 DeltaPhi Sens. Gnd Fault 0.0 .. 180.0 ° 100.0 ° 50Ns-1 angle delta phi
3160 α1 red.dir.area Sens. Gnd Fault 1 .. 15 ° 2 ° Alpha1 (reduction direc-
tional area)
Functions, Settings, Information
F.2 Settings
630 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016