2.5 Distance Protection
133
7SD5 Manual
C53000-G1176-C169-1
1509A E/F recognition 3I0> OR 3U0>
3I0> AND 3U0>
3I0> OR 3U0> criterion for earth fault rec-
ognition
1510 Start Timers on Dis. Pickup
on Zone Pickup
on Dis. Pickup Condition for zone timer
start
1515 Paral.Line Comp NO
YES
YES Mutual coupling parall.line
compensation
1520 PHASE PREF.2phe 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 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 PICKUP
Zone Z1B
Inactive
Z1B undirect.
Inactive Instantaneous trip after
SwitchOnToFault
1533 Z1 blkd by diff YES
NO
YES Zone Z1 blocked by diff.
active
1540 Distance Angle 30 .. 90 ° 85 ° Angle of inclination, dis-
tance charact.
1541 R load (Ø-E) 1A 0.100 .. 600.000 Ω; ∞∞Ω R load, minimum Load Im-
pedance (ph-e)
5A 0.020 .. 120.000 Ω; ∞∞Ω
1542 ϕ load (Ø-E) 20 .. 60 ° 45 ° PHI load, maximum Load
Angle (ph-e)
1543 R load (Ø-Ø) 1A 0.100 .. 600.000 Ω; ∞∞Ω R load, minimum Load Im-
pedance (ph-ph)
5A 0.020 .. 120.000 Ω; ∞∞Ω
1544 ϕ load (Ø-Ø) 20 .. 60 ° 45 ° PHI load, maximum Load
Angle (ph-ph)
1605 T1-1phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1-1phase, delay for
single phase faults
1606 T1-multi-phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1multi-ph, delay for multi
phase faults
1615 T2-1phase 0.00 .. 30.00 sec; ∞ 0.30 sec T2-1phase, delay for
single phase faults
1616 T2-multi-phase 0.00 .. 30.00 sec; ∞ 0.30 sec T2multi-ph, delay for multi
phase faults
1617A Trip 1pole Z2 NO
YES
NO Single pole trip for faults in
Z2
1625 T3 DELAY 0.00 .. 30.00 sec; ∞ 0.60 sec T3 delay
1635 T4 DELAY 0.00 .. 30.00 sec; ∞ 0.90 sec T4 delay
Addr. Parameter C Setting Options Default Setting Comments
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