Settings - Siemens SIPROTEC 7SA522 Manual

2 Functions
2.2.1.4

Settings

Addr. Parameter
1201 FCT Distance
1202 Minimum Iph>
1203 3I0> Threshold
1204 3U0> Threshold
1205 3U0> COMP/ISOL.
1206 T3I0 1PHAS
1207A 3I0>/ Iphmax
1208 SER-COMP.
1209A E/F recognition
1210 Start Timers
1211 Distance Angle
1215 Paral.Line Comp
1220 PHASE PREF.2phe
1221A 2Ph-E faults
76
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.
C Setting Options
ON
OFF
1A 0.05 .. 4.00 A
5A 0.25 .. 20.00 A
1A 0.05 .. 4.00 A
5A 0.25 .. 20.00 A
1 .. 100 V; ∞
10 .. 200 V
0.00 .. 0.50 sec; ∞
0.05 .. 0.30
NO
YES
3I0> OR 3U0>
3I0> AND 3U0>
on Dis. Pickup
on Zone Pickup
30 .. 90 °
NO
YES
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
Block leading Ø
Block lagging Ø
All loops
Ø-Ø loops only
Ø-E loops only
Default Setting
ON Distance protection is
0.10 A Phase Current threshold for
dist. meas.
0.50 A
0.10 A 3I0 threshold for neutral
current pickup
0.50 A
5 V 3U0 threshold zero seq.
voltage pickup
40 V 3U0> pickup (comp/ isol.
star-point)
0.04 sec Delay 1ph-faults (comp/isol.
star-point)
0.10 3I0>-pickup-stabilisation
(3I0> /Iphmax)
NO Series compensated line
3I0> OR 3U0> criterion of earth fault rec-
ognition
on Dis. Pickup Condition for zone timer
start
85 °
Angle of inclination, dis-
tance charact.
YES Mutual coupling parall.line
compensation
L3 (L1) ACYCLIC Phase preference for 2ph-e
faults
Block leading Ø Loop selection with 2Ph-E
faults
Comments
7SA522 Manual
C53000-G1176-C155-3