2 Functions
76
7SA522 Manual
C53000-G1176-C155-3
2.2.1.4 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the
corresponding secondary nominal current of the current transformer.
Addr. Parameter C Setting Options Default Setting Comments
1201 FCT Distance ON
OFF
ON Distance protection is
1202 Minimum Iph> 1A 0.05 .. 4.00 A 0.10 A Phase Current threshold for
dist. meas.
5A 0.25 .. 20.00 A 0.50 A
1203 3I0> Threshold 1A 0.05 .. 4.00 A 0.10 A 3I0 threshold for neutral
current pickup
5A 0.25 .. 20.00 A 0.50 A
1204 3U0> Threshold 1 .. 100 V; ∞ 5 V 3U0 threshold zero seq.
voltage pickup
1205 3U0> COMP/ISOL. 10 .. 200 V 40 V 3U0> pickup (comp/ isol.
star-point)
1206 T3I0 1PHAS 0.00 .. 0.50 sec; ∞ 0.04 sec Delay 1ph-faults (comp/isol.
star-point)
1207A 3I0>/ Iphmax 0.05 .. 0.30 0.10 3I0>-pickup-stabilisation
(3I0> /Iphmax)
1208 SER-COMP. NO
YES
NO Series compensated line
1209A E/F recognition 3I0> OR 3U0>
3I0> AND 3U0>
3I0> OR 3U0> criterion of earth fault rec-
ognition
1210 Start Timers on Dis. Pickup
on Zone Pickup
on Dis. Pickup Condition for zone timer
start
1211 Distance Angle 30 .. 90 ° 85 ° Angle of inclination, dis-
tance charact.
1215 Paral.Line Comp NO
YES
YES Mutual coupling parall.line
compensation
1220 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
1221A 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
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