Siemens SIPROTEC 4 7UT6 Series Manual page 563

Addr. Parameter
1243A SLOPE 2
1244A BASE POINT 2
1251A I-REST. STARTUP
1252A START-FACTOR
1253 T START MAX
1261A I-ADD ON STAB.
1262A T ADD ON-STAB.
1263A CROSSB. ADD ON
1271 2. HARMONIC
1272A CROSSB. 2. HARM
1276 n. HARMONIC
1277A CROSSB. n.HARM
1278A IDIFFmax n.HM
1281 I-DIFF> MON.
1282 T I-DIFF> MON.
1283A Inst. Idiff Rec
1300 Blocked w. CWA
1301 REF PROT.
1311 I-REF>
1312A T I-REF>
1313A SLOPE
1401 REF PROT.
1411 I-REF>
1412A T I-REF>
1413A SLOPE
1701 COLDLOAD PICKUP ColdLoadPickup
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
Function C Setting Options
Diff. Prot 0.25 .. 0.95
Diff. Prot 0.00 .. 10.00 I/InO
Diff. Prot 0.00 .. 2.00 I/InO
Diff. Prot 1.0 .. 2.0
Diff. Prot 0.0 .. 180.0 sec
Diff. Prot 2.00 .. 15.00 I/InO
Diff. Prot 2 .. 250 Cycle; ∞
Diff. Prot 2 .. 1000 Cycle; 0; ∞ 15 Cycle
Diff. Prot 10 .. 80 %
Diff. Prot 2 .. 1000 Cycle; 0; ∞ 3 Cycle
Diff. Prot 10 .. 80 %
Diff. Prot 2 .. 1000 Cycle; 0; ∞ 0 Cycle
Diff. Prot 0.5 .. 20.0 I/InO
Diff. Prot 0.15 .. 0.80 I/InO
Diff. Prot 1 .. 10 sec
Diff. Prot NO
YES
Diff. Prot ON
OFF
REF OFF
ON
Block relay
REF 0.05 .. 2.00 I/InS
REF 0.00 .. 60.00 sec; ∞ 0.00 sec
REF 0.00 .. 0.95
REF 2 OFF
ON
Block relay
REF 2 0.05 .. 2.00 I/InS
REF 2 0.00 .. 60.00 sec; ∞ 0.00 sec
REF 2 0.00 .. 0.95
OFF
ON
Functions, Settings, Information
Default Setting Comments
0.50 Slope 2 of Tripping Char-
acteristic
2.50 I/InO Base Point for Slope 2 of
Charac.
0.10 I/InO I-RESTRAINT for Start
Detection
1.0 Factor for Increasing of
Char. at Start
5.0 sec Maximum Permissible
Starting Time
4.00 I/InO Pickup for Add-on Stabili-
zation
15 Cycle Duration of Add-on Stabi-
lization
Time for Cross-blocking
Add-on Stabiliz.
15 % 2nd Harmonic Content in
I-DIFF
Time for Cross-blocking
2nd Harm.
30 % n-th Harmonic Content in
I-DIFF
Time for Cross-blocking n-
th Harm.
1.5 I/InO Limit IDIFFmax of n-th
Harm.Restraint
0.20 I/InO Pickup Value of diff.
Current Monitoring
2 sec T I-DIFF> Monitoring Time
Delay
NO Fault record with inst. diff
current
ON Blocking with CWA
OFF Restricted Earth Fault
Protection
0.15 I/InS Pick up value I REF>
T I-REF> Time Delay
0.00 Slope of Charac. I-REF> =
f(I-SUM)
OFF Restricted Earth Fault
Protection
0.15 I/InS Pick up value I REF>
T I-REF> Time Delay
0.00 Slope of Charac. I-REF> =
f(I-SUM)
OFF Cold-Load-Pickup Func-
tion
F.2 Settings
563