Siemens siprotec 7SA522 User Manual

2.2 Distance protection
101
7SA522 Manual
C53000-G1176-C155-3
2.2.3.3 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
1305 T1-1phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1-1phase, delay for single
phase faults
1306 T1-multi-phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1multi-ph, delay for multi
phase faults
1315 T2-1phase 0.00 .. 30.00 sec; ∞ 0.30 sec T2-1phase, delay for single
phase faults
1316 T2-multi-phase 0.00 .. 30.00 sec; ∞ 0.30 sec T2multi-ph, delay for multi
phase faults
1317A Trip 1pole Z2 NO
YES
NO Single pole trip for faults in
Z2
1325 T3 DELAY 0.00 .. 30.00 sec; ∞ 0.60 sec T3 delay
1335 T4 DELAY 0.00 .. 30.00 sec; ∞ 0.90 sec T4 delay
1345 T5 DELAY 0.00 .. 30.00 sec; ∞ 0.90 sec T5 delay
1355 T1B-1phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1B-1phase, delay for
single ph. faults
1356 T1B-multi-phase 0.00 .. 30.00 sec; ∞ 0.00 sec T1B-multi-ph, delay for
multi ph. faults
1357 1st AR -> Z1B NO
YES
YES Z1B enabled before 1st AR
(int. or ext.)
1401 Op. mode Z1 Forward
Reverse
Inactive
Forward Operating mode Z1
1402 ZR(Z1) 1A 0.050 .. 200.000 Ω 2.500 Ω ZR(Z1), Impedance Reach
5A 0.010 .. 40.000 Ω 0.500 Ω
1411 Op. mode Z2 Forward
Reverse
Inactive
Forward Operating mode Z2
1412 ZR(Z2) 1A 0.050 .. 200.000 Ω 5.000 Ω ZR(Z2), Impedance Reach
5A 0.010 .. 40.000 Ω 1.000 Ω
1421 Op. mode Z3 Forward
Reverse
Inactive
Reverse Operating mode Z3
1422 ZR(Z3) 1A 0.050 .. 200.000 Ω 5.000 Ω ZR(Z3), Impedance Reach
5A 0.010 .. 40.000 Ω 1.000 Ω
1431 Op. mode Z4 Forward
Reverse
Inactive
Forward Operating mode Z4

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English