A Appendix
622
7SD5 Manual
C53000-G1176-C169-1
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 40 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 for earth fault recogni-
tion
1510 Start Timers Dis. General on Dis. Pickup
on Zone Pickup
on Dis. Pickup Condition for zone timer start
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
1532 SOTF zone Dis. General PICKUP
Zone Z1B
Inactive
Z1B undirect.
Inactive Instantaneous trip after Switch-
OnToFault
1533 Z1 blkd by diff Dis. General YES
NO
YES Zone Z1 blocked by diff. active
1540 Distance Angle P.System Data 2
Dis. General
30 .. 90 ° 85 ° Angle of inclination, distance
charact.
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
1542 ϕ load (Ø-E) Dis. General 20 .. 60 ° 45 ° PHI load, maximum Load Angle
(ph-e)
1543 R load (Ø-Ø) Dis. General 1A 0.100 .. 600.000 Ω; ∞∞Ω R load, minimum Load Imped-
ance (ph-ph)
5A 0.020 .. 120.000 Ω; ∞∞Ω
1544 ϕ load (Ø-Ø) Dis. General 20 .. 60 ° 45 ° PHI load, maximum Load Angle
(ph-ph)
1601 Op. mode Z1 Dis. Quadril. Forward
Reverse
Non-Directional
Inactive
Forward Operating mode Z1
1602 R(Z1) Ø-Ø Dis. Quadril. 1A 0.050 .. 600.000 Ω 1.250 Ω R(Z1), Resistance for ph-ph-
faults
5A 0.010 .. 120.000 Ω 0.250 Ω
1603 X(Z1) Dis. Quadril. 1A 0.050 .. 600.000 Ω 2.500 Ω X(Z1), Reactance
5A 0.010 .. 120.000 Ω 0.500 Ω
1604 RE(Z1) Ø-E Dis. Quadril. 1A 0.050 .. 600.000 Ω 2.500 Ω RE(Z1), Resistance for ph-e
faults
5A 0.010 .. 120.000 Ω 0.500 Ω
1605 T1-1phase Dis. General
Dis. Quadril.
Dis. MHO
0.00 .. 30.00 sec; ∞ 0.00 sec T1-1phase, delay for single
phase faults
1606 T1-multi-phase Dis. General
Dis. Quadril.
Dis. MHO
0.00 .. 30.00 sec; ∞ 0.00 sec T1multi-ph, delay for multi phase
faults
1607 Zone Reduction Dis. Quadril. 0 .. 45 ° 0 ° Zone Reduction Angle (load
compensation)
1611 Op. mode Z2 Dis. Quadril. Forward
Reverse
Non-Directional
Inactive
Forward Operating mode Z2
Addr. Parameter Function C Setting Options Default Setting Comments
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