Setting Notes - Siemens SIPROTEC 4 7SD80 Manual

Line differential protection
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Functions
2.4 Backup overcurrent
Table 2-2
Internal indication
67-1 PU A
67-2 PU A
67-TOC PU A
67-1 PU B
67-2 PU B
67-TOC PU B
67-1 PU C
67-2 PU C
67-TOC PU C
67-1 PU N
67-2 PU N
67-TOC PU N
67-1 PU A
67-1 PU B
67-1 PU C
67-1 PU N
67-2 PU A
67-2 PU B
67-2 PU C
67-2 PU N
67-TOC PU A
67-TOC PU B
67-TOC PU C
67-TOC PU N
(All pickups)
The trip is signaled specifically for each element, e.g.
NOTE
i
i
There is no indication for tripping of the grounding stages. If you need information link the internal pickup
signal with the OFF command of the stage, e.g, 67-1 PU N and
Behavior during Measuring Voltage Failure
An element-specific parameter, e.g. 67(N)-B1 on FFM allows you to define how the directional overcurrent
protection acts when the measuring voltage fails. The overcurrent protection then works either Non-Direc-
tional or it is BLOCKED.

Setting Notes

2.4.4
General
The setting notes described in the following apply to non-directional and directional overcurrent protection.
Operating Modes
You set the operating mode of the overcurrent protection elements specifically for each element. The setting
applies collectively to the corresponding phase and ground element.
50-1, 3I0>
82
Pickup signals of the single phases
Display
address 2620
Output indication
67 Pickup ØA
67 Pickup ØB
67 Pickup ØC
67N Pickup Gnd
67(N)-B2 PICKUP
67(N)-B1 PICKUP
67(N)-TOC PICK.
67(N) PICKUP
67(N)-B2 TRIP .
67(N)-B2 TRIP
E50417-G1100-C474-A2, Edition 02.2018
No.
17536
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7252
17535
SIPROTEC 4, 7SD80, Manual

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