Functions
2.4 Dynamic Cold Load Pickup
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
126
Directional 67/67–TOC Elements (phases)
The dynamic pickup values and time delays associated with directional overcurrent phase protection are set at
address block 20
The dynamic pickup and delay settings for the 67-2 high-set element are set at addresses
2001
67c-2
PICKUP
and
2002
67c-2 DELAY
respectively; the dynamic pickup and delay settings for the 67-1 element are
set at addresses
2003
67c-1 PICKUP
and
2004
67c-1 DELAY
respectively; and the pickup, time multiplier
(for IEC curves or user-defined curves), and time dial (for ANSI curves) settings for the 67-TOC element are
set at addresses
2005
67c-TOC PICKUP
,
2006
67c-TOC T-DIAL
,
2007
67c-TOC T-DIAL
respectively.
Directional 67/67N Elements (ground)
The dynamic pickup values and time delays associated with directional overcurrent ground protection are set
at address block 21:
The dynamic pickup and delay settings for the 67N-2 high-set element are set at addresses
2101
67Nc-2
PICKUP
and
2102
67Nc-2 DELAY
respectively; the dynamic pickup and delay settings for the 67N-1 element
are set at addresses
2103
67Nc-1 PICKUP
and
2104
67Nc-1 DELAY
respectively; and the pickup, time mul-
tiplier (for IEC curves or user-defined curves), and time dial (for ANSI curves) settings for the 67N-TOC element
are set at addresses
2105
67Nc-TOC PICKUP
,
2106
67Nc-TOC T-DIAL
,
2107
67Nc-TOC T-DIAL
respec-
tively.
2.4.3
Settings
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
Addr.
Parameter
C
Setting Options
Default Setting
Comments
1701
COLDLOAD PICKUP
OFF
ON
OFF
Cold-Load-Pickup Func-
tion
1702
Start Condition
No Current
Breaker Contact
79 ready
No Current
Start Condition
1703
CB Open Time
0 .. 21600 sec
3600 sec
Circuit Breaker OPEN
Time
1704
Active Time
1 .. 21600 sec
3600 sec
Active Time
1705
Stop Time
1 .. 600 sec;
∞
600 sec
Stop Time
1801
50c-2 PICKUP
1A
0.10 .. 35.00 A;
∞
10.00 A
50c-2 Pickup
5A
0.50 .. 175.00 A;
∞
50.00 A
1802
50c-2 DELAY
0.00 .. 60.00 sec;
∞
0.00 sec
50c-2 Time Delay
1803
50c-1 PICKUP
1A
0.10 .. 35.00 A;
∞
2.00 A
50c-1 Pickup
5A
0.50 .. 175.00 A;
∞
10.00 A
1804
50c-1 DELAY
0.00 .. 60.00 sec;
∞
0.30 sec
50c-1 Time Delay
1805
51c PICKUP
1A
0.10 .. 4.00 A
1.50 A
51c Pickup
5A
0.50 .. 20.00 A
7.50 A
1806
51c TIME DIAL
0.05 .. 3.20 sec;
∞
0.50 sec
51c Time dial
1807
51c TIME DIAL
0.50 .. 15.00 ;
∞
5.00
51c Time dial
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