Settings - Siemens SIPROTEC 4 Manual

Overcurrent time protection
Hide thumbs Also See for SIPROTEC 4:
Table of Contents

Advertisement

release signal of an internal or external automatic reclosing system. Address with 79 active determines
that the 50N-2 or the 50N-3 element will only operate if automatic reclosing is not blocked. If not desired,
select the setting Always so that the 50N-2 or the 50N-3 element will always operate, as configured.
The integrated automatic reclosing function of 7SJ62/64 also provides the option to individually determine for
each overcurrent element whether tripping or blocking is to be carried out instantaneously or unaffected by
the AR with the set time delay (see Section
2.2.12

Settings

Addresses which have an appended "A" can only be changed with DIGSI, under "Additional Settings".
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding
secondary nominal current of the current transformer.
Addr.
Parameter
1201
FCT 50/51
1202
50-2 PICKUP
1203
50-2 DELAY
1204
50-1 PICKUP
1205
50-1 DELAY
1207
51 PICKUP
1208
51 TIME DIAL
1209
51 TIME DIAL
1210
51 Drop-out
1211
51 IEC CURVE
1212
51 ANSI CURVE
1213A
MANUAL CLOSE
1214A
50-2 active
1215A
50 T DROP-OUT
1216A
50-3 active
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
2.15 Automatic Reclosing System
C
Setting Options
ON
OFF
1A
0.10 .. 35.00 A; ∞
5A
0.50 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A
0.10 .. 35.00 A; ∞
5A
0.50 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A
0.10 .. 4.00 A
5A
0.50 .. 20.00 A
0.05 .. 3.20 sec; ∞
0.50 .. 15.00 ; ∞
Instantaneous
Disk Emulation
Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
50-3 instant.
50-2 instant.
50 -1 instant.
51 instant.
Inactive
Always
with 79 active
0.00 .. 60.00 sec
Always
with 79 active
2.2 Overcurrent Protection 50, 51, 50N, 51N
79).
Default Setting
Comments
ON
50, 51 Phase Time Overcur-
rent
4.00 A
50-2 Pickup
20.00 A
0.00 sec
50-2 Time Delay
1.00 A
50-1 Pickup
5.00 A
0.50 sec
50-1 Time Delay
1.00 A
51 Pickup
5.00 A
0.50 sec
51 Time Dial
5.00
51 Time Dial
Disk Emulation
Drop-out characteristic
Normal Inverse
IEC Curve
Very Inverse
ANSI Curve
50-2 instant.
Manual Close Mode
Always
50-2 active
0.00 sec
50 Drop-Out Time Delay
Always
50-3 active
Functions
77

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Siprotec 7sj80Siprotec 4 7saj8

Table of Contents