Siemens siprotec 7SA6, Manual

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Appendix
B-6
7SA6 Manual
C53000-G1176-C156-2
1140A I-CTsat. Thres. Power System Data
2 0.2..50.0 A;
∞
20.0 A CT Saturation Threshold
1150A SI Time Man.Cl Power System Data
2 0.01..30.00 sec 0.30 sec Seal-in Time after MANUAL closures
1151 MAN. CLOSE Power System Data
2 with Synchronism-check
without Synchronism-check
NO without Synchronism-check Manual CLOSE COMMAND genera-
tion
1155 3pole coupling Power System Data
2 with Pickup
with Trip with Trip 3 pole coupling
1156A Trip2phFlt Power System Data
2 3pole
1pole, leading phase
1pole, lagging phase 3pole Trip type with 2phase faults
1201 FCT Distance Distance protec-
tion, general set-
tings ON
OFF ON Distance protection is
1202 Minimum Iph> Distance protec-
tion, general set-
tings 0.10..4.00 A 0.10 A Phase Current threshold for dist.
meas.
1203 3I0> Threshold Distance protec-
tion, general set-
tings 0.05..4.00 A 0.10 A 3I0 threshold for neutral current pickup
1204 3U0> Threshold Distance protec-
tion, general set-
tings 1..100 V;
∞
5 V 3U0 threshold zero seq. voltage pickup
1205 3U0> COMP/ISOL. Distance protec-
tion, general set-
tings 10..200 V 40 V 3U0> pickup (comp/ isol. star-point)
1206 T3I0 1PHAS Distance protec-
tion, general set-
tings 0.00..0.50 sec;
∞
0.04 sec Delay 1ph-faults (comp/isol. star-point)
1207A 3I0>/ Iphmax Distance protec-
tion, general set-
tings 0.05..0.30 0.10 3I0>-pickup-stabilisation (3I0> /Iph-
max)
1215 Paral.Line Comp Distance protec-
tion, general set-
tings NO
YES YES Mutual coupling parall.line compensa-
tion
1220 PHASE PREF.2phe Distance protec-
tion, general set-
tings
L3 (L1) acyclic
L1 (L3) acyclic
L2 (L1) acyclic
L1 (L2) acyclic
L3 (L2) acyclic
L2 (L3) acyclic
L3 (L1) cyclic
L1 (L3) cyclic
all loops L3 (L1) acyclic Phase preference for 2ph-e faults
1221A 2Ph-E faults Distance protec-
tion, general set-
tings block leading ph-e loop
block lagging ph-e loop
all loops
only phase-phase loops
only phase-earth loops block leading ph-e loop Loop selection with 2Ph-E faults
1232 SOTF zone Distance protec-
tion, general set-
tings with Pickup (non-directional)
with Zone Z1B
Inactive Inactive Instantaneous trip after SwitchOnTo-
Fault
1241 R load (Ø-E) Distance protec-
tion, general set-
tings 0.100..250.000 Ohm;
∞ ∞
Ohm R load, minimum Load Impedance (ph-
e)
1242
ϕ
load (Ø-E) Distance protec-
tion, general set-
tings 20..60
°
45
°
PHI load, maximum Load Angle (ph-e)
1243 R load (Ø-Ø) Distance protec-
tion, general set-
tings 0.100..250.000 Ohm;
∞ ∞
Ohm R load, minimum Load Impedance (ph-
ph)
Addr. Setting Title Function Setting Options Default Setting Comments