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Functions
2.16 Backup Time Overcurrent Protection
Internal Indication
I>>> PU L1
I>>> PU L2
I>>> PU L3
I>>> PU E
(All pickups)
For the tripping signals (table 2-13) the stage which caused the tripping is also output. If the device has the
option to trip single-pole, and if this option has been activated, the pole which has been tripped is also indicated
(refer also to Section 2.25.1„Tripping Logic of the Entire Device").
Table 2-13
Internal indication
I>> PU L1
I> PU L1
Ip PU L1
1)
I>>> PU L1
I>> PU L2
I> PU L2
Ip PU L2
1)
I>>> PU L2
I>> PU L3
I> PU L3
Ip PU L3
1)
I>>> PU L3
I>> PU E
I> PU E
Ip PU E
2)
I>>> PU E
I>> PU L1
I>> PU L2
I>> PU L3
I>> PU E
I> PU L1
I> PU L2
I> PU L3
I> PU E
Ip PU L1
Ip PU L2
Ip PU L3
Ip PU E
I>>> PU L1
I>>> PU L2
I>>> PU L3
I>>> PU E
(PU all)
1)
If tripping by the 3I0 measuring unit is performed simultaneously with or after tripping by a phase measuring
unit and if 1-pole tripping is active, „O/C TRIP 1p.L1", „O/C TRIP 1p.L2" or „O/C TRIP 1p.L3" is signalled.
2)
If tripping is only performed by the 3I0 measuring unit but not by a phase measuring unit, „O/C TRIP L123"
is signalled.
308
Display
2-155
2-155
2-155
2-155
Trip signals of the indvidual phases
Display
2-153
2-154
2-155
2-153
2-154
2-155
2-153
2-154
2-155
2-153
2-154
2-155
2-153
2-153
2-153
2-153
2-154
2-154
2-154
2-154
2-155
2-155
2-155
2-155
Output Indication
„I-STUB PICKUP"
„O/C PICKUP"
Output indication
„O/C TRIP 1p.L1" or „O/C TRIP L123"
„O/C TRIP 1p.L2" or „O/C TRIP L123"
„O/C TRIP 1p.L3" or „O/C TRIP L123"
„O/C TRIP L123"
„O/C TRIP I>>"
„O/C TRIP I>"
„O/C TRIP Ip"
„I-STUB TRIP"
„O/C TRIP"
C53000-G1176-C169-5, Release date 02.2011
No.
7201
7161
No.
7212 or
7215
7213 or
7215
7214 or
7215
7215
7221
7222
7223
7235
7211
SIPROTEC, 7SD5, Manual
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