Siemens SIPROTEC

Appendix
A.7 Settings
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
688
1235 I-DIF>>SWITCHON Diff. Prot 1A 0.8 .. 100.0 A; ∞ 1.2 A I-DIFF>>: Value under switch on
cond.
5A 4.0 .. 500.0 A; ∞ 6.0 A
1301 I-TRIP SEND Intertrip YES
NO
NO State of transmit. the intertrip
command
1302 I-TRIP RECEIVE Intertrip Alarm only
Trip
Trip Reaction if intertrip command is
receiv.
1303 T-ITRIP BI Intertrip 0.00 .. 30.00 sec 0.02 sec Delay for intertrip via binary input
1304 T-ITRIP PROL BI Intertrip 0.00 .. 30.00 sec 0.00 sec Prolongation for intertrip via
bin.input
1401 HSD HighSpeedDIS ON
OFF
OFF High Speed Distance Protection
1402 HSD ZHSD HighSpeedDIS 1A 0.050 .. 600.000 Ω 2.000 Ω High Speed Distance ZHSD
5A 0.010 .. 120.000 Ω 0.400 Ω
1407 BL.ZHSD.DIFF.A HighSpeedDIS YES
NO
NO High Speed Distance blocked if
Diff.A
1501 FCT Distance Dis. General ON
OFF
ON Distance protection
1502 Minimum Iph> Dis. General 1A 0.05 .. 4.00 A 0.10 A Phase Current threshold for dist.
meas.
5A 0.25 .. 20.00 A 0.50 A
1503 3I0> Threshold Dis. General 1A 0.05 .. 4.00 A 0.10 A 3I0 threshold for neutral current
pickup
5A 0.25 .. 20.00 A 0.50 A
1504 3U0> Threshold Dis. General 1 .. 100 V; ∞ 5 V 3U0 threshold zero seq. voltage
pickup
1505 3U0> COMP/ISOL. Dis. General 10 .. 200 V; ∞∞V 3U0> pickup (comp/ isol. star-
point)
1507A 3I0>/ Iphmax Dis. General 0.05 .. 0.30 0.10 3I0>-pickup-stabilisation (3I0>
/Iphmax)
1508 SER-COMP. Dis. General NO
YES
NO Series compensated line
1509A E/F recognition Dis. General 3I0> OR 3U0>
3I0> AND 3U0>
3I0> OR 3U0> criterion of earth fault recognition
1510 Start Timers Dis. General on Dis. Pickup
on Zone Pickup
on Dis. Pickup Condition for zone timer start
1511 Distance Angle P.System Data 2
Dis. General
30 .. 90 ° 85 ° Angle of inclination, distance
charact.
1515 Paral.Line Comp Dis. General NO
YES
YES Mutual coupling parall.line com-
pensation
1520 PHASE PREF.2phe Dis. General 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
1521A 2Ph-E faults Dis. General Block leading Ø
Block lagging Ø
All loops
Ø-Ø loops only
Ø-E loops only
Block leading Ø Loop selection with 2Ph-E faults
1523 Uph-ph unbal. Dis. General 5 .. 50 % 25 % Max Uph-ph unbal. for 1ph Flt.
detection
1532 SOTF zone Dis. General PICKUP
Zone Z1B
Z1B undirect.
Zone Z1
Z1 undirect.
Inactive
Inactive Instantaneous trip after Switch-
OnToFault
1533 Z1 blkd by diff Dis. General YES
NO
YES Zone Z1 blocked by diff. active
1541 R load (Ø-E) Dis. General 1A 0.100 .. 600.000 Ω; ∞∞Ω R load, minimum Load Imped-
ance (ph-e)
5A 0.020 .. 120.000 Ω
; ∞∞Ω
1541 R load Dis. General 1A 0.100 .. 600.000 Ω; ∞∞Ω R load, minimum Load Imped-
ance
5A 0.020 .. 120.000 Ω; ∞∞Ω
Addr. Parameter Function C Setting Options Default Setting Comments