Settings; Information List - Siemens 7SK80 Manual

Siprotec motor protection
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Functions
2.12 Intermittent Ground Fault Protection
2.12.3

Settings

The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
Addr.
Parameter
3301
INTERM.EF
3302
Iie>
3302
Iie>
3302
Iie>
3303
T-det.ext.
3304
T-sum det.
3305
T-reset
3306
Nos.det.
2.12.4

Information List

No.
Information
6903
>IEF block
6921
IEF OFF
6922
IEF blocked
6923
IEF enabled
6924
IIE Fault det
6925
IIE stab.Flt
6926
IIE Flt.det FE
6927
Intermitt.EF
6928
IEF Tsum exp.
6929
IEF Tres run.
6930
IEF Trip
6931
Iie/In=
6932
Nos.IIE=
212
C
Setting Options
OFF
ON
1A
0.05 .. 35.00 A
5A
0.25 .. 175.00 A
1A
0.05 .. 35.00 A
5A
0.25 .. 175.00 A
0.005 .. 1.500 A
0.00 .. 10.00 sec
0.00 .. 100.00 sec
1 .. 600 sec
2 .. 10
Type of In-
formation
SP
>block interm. E/F prot.
OUT
Interm. E/F prot. is switched off
OUT
Interm. E/F prot. is blocked
OUT
Interm. E/F prot. is active
OUT
Interm. E/F detection stage Iie>
OUT
Interm. E/F stab detection
OUT
Interm.E/F det.stage Iie> f.Flt. ev.Prot
OUT
Interm. E/F detected
OUT
Counter of det. times elapsed
OUT
Interm. E/F: reset time running
OUT
Interm. E/F: trip
VI
Max RMS current value of fault =
VI
No. of detections by stage Iie>=
Default Setting
OFF
Intermittent earth fault pro-
tection
1.00 A
Pick-up value of interm.
E/F stage
5.00 A
1.00 A
Pick-up value of interm.
E/F stage
5.00 A
1.000 A
Pick-up value of interm.
E/F stage
0.10 sec
Detection extension time
20.00 sec
Sum of detection times
300 sec
Reset time
3
No. of det. for start of int.
E/F prot
Comments
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
Comments

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