Functions
2.11 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
197
3109 64-1 VGND 1.8 .. 200.0 V; ∞ 40.0 V 64-1 Ground Displace-
ment Voltage
3110 64-1 VGND 10.0 .. 225.0 V; ∞ 70.0 V 64-1 Ground Displace-
ment Voltage
3111 T-DELAY Pickup 0.04 .. 320.00 sec; ∞ 1.00 sec Time-DELAY Pickup
3112 64-1 DELAY 0.10 .. 40000.00 sec; ∞ 10.00 sec 64-1 Time Delay
3113 50Ns-2 PICKUP 1A 0.001 .. 1.600 A 0.300 A 50Ns-2 Pickup
5A 0.005 .. 8.000 A 1.500 A
3113 50Ns-2 PICKUP 1A 0.05 .. 35.00 A 10.00 A 50Ns-2 Pickup
5A 0.25 .. 175.00 A 50.00 A
3114 50Ns-2 DELAY 0.00 .. 320.00 sec; ∞ 1.00 sec 50Ns-2 Time Delay
3115 67Ns-2 DIRECT Forward
Reverse
Non-Directional
Forward 67Ns-2 Direction
3117 50Ns-1 PICKUP 1A 0.001 .. 1.600 A 0.100 A 50Ns-1 Pickup
5A 0.005 .. 8.000 A 0.500 A
3117 50Ns-1 PICKUP 1A 0.05 .. 35.00 A 2.00 A 50Ns-1 Pickup
5A 0.25 .. 175.00 A 10.00 A
3118 50Ns-1 DELAY 0.00 .. 320.00 sec; ∞ 2.00 sec 50Ns-1 Time delay
3119 51Ns PICKUP 1A 0.001 .. 1.400 A 0.100 A 51Ns Pickup
5A 0.005 .. 7.000 A 0.500 A
3119 51Ns PICKUP 1A 0.05 .. 4.00 A 1.00 A 51Ns Pickup
5A 0.25 .. 20.00 A 5.00 A
3120 51NsTIME DIAL 0.10 .. 4.00 sec; ∞ 1.00 sec 51Ns Time Dial
3121A 50Ns T DROP-OUT 0.00 .. 60.00 sec 0.00 sec 50Ns Drop-Out Time
Delay
3122 67Ns-1 DIRECT. Forward
Reverse
Non-Directional
Forward 67Ns-1 Direction
3123 RELEASE DIRECT. 1A 0.001 .. 1.200 A 0.010 A Release directional
element
5A 0.005 .. 6.000 A 0.050 A
3123 RELEASE DIRECT. 1A 0.05 .. 30.00 A 0.50 A Release directional
element
5A 0.25 .. 150.00 A 2.50 A
3124 PHI CORRECTION -45.0 .. 45.0 ° 0.0 ° Correction Angle for Dir.
Determination
3125 MEAS. METHOD COS ϕ
SIN ϕ
COS ϕ Measurement method for
Direction
3126 RESET DELAY 0 .. 60 sec 1 sec Reset Delay
3130 PU CRITERIA Vgnd OR INs
Vgnd AND INs
Vgnd OR INs Sensitive Ground Fault
PICKUP criteria
3131 M.of PU TD 1.00 .. 20.00 MofPU; ∞
0.01 .. 999.00 TD
Multiples of PU Time-
Dial
Addr. Parameter C Setting Options Default Setting Comments