Functions
2.2 Overcurrent Protection 50, 51, 50N, 51N
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
91
2.2.12
Settings
Addresses which have an appended "A" can only be changed with DIGSI, under "Display Additional Settings".
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
Addr.
Parameter
C
Setting Options
Default Setting
Comments
1201
FCT 50/51
ON
OFF
ON
50, 51 Phase Time Over-
current
1202
50-2 PICKUP
1A
0.10 .. 35.00 A;
∞
2.00 A
50-2 Pickup
5A
0.50 .. 175.00 A;
∞
10.00 A
1203
50-2 DELAY
0.00 .. 60.00 sec;
∞
0.00 sec
50-2 Time Delay
1204
50-1 PICKUP
1A
0.10 .. 35.00 A;
∞
1.00 A
50-1 Pickup
5A
0.50 .. 175.00 A;
∞
5.00 A
1205
50-1 DELAY
0.00 .. 60.00 sec;
∞
0.50 sec
50-1 Time Delay
1207
51 PICKUP
1A
0.10 .. 4.00 A
1.00 A
51 Pickup
5A
0.50 .. 20.00 A
5.00 A
1208
51 TIME DIAL
0.05 .. 3.20 sec;
∞
0.50 sec
51 Time Dial
1209
51 TIME DIAL
0.50 .. 15.00 ;
∞
5.00
51 Time Dial
1210
51 Drop-out
Instantaneous
Disk Emulation
Disk Emulation
Drop-out characteristic
1211
51 IEC CURVE
Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Normal Inverse
IEC Curve
1212
51 ANSI CURVE
Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
Very Inverse
ANSI Curve
1213A
MANUAL CLOSE
50-3 instant.
50-2 instant.
50 -1 instant.
51 instant.
Inactive
50-2 instant.
Manual Close Mode
1214A
50-2 active
Always
with 79 active
Always
50-2 active
1215A
50 T DROP-OUT
0.00 .. 60.00 sec
0.00 sec
50 Drop-Out Time Delay
1216A
50-3 active
Always
with 79 active
Always
50-3 active
1217
50-3 PICKUP
1A
1.00 .. 35.00 A;
∞
∞
A
50-3 Pickup
5A
5.00 .. 175.00 A;
∞
∞
A
1218
50-3 DELAY
0.00 .. 60.00 sec;
∞
0.00 sec
50-3 Time Delay
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