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Annunciations - Siemens SIPROTEC 7SS60 Manual

Centralized numerical busbar protection
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5.4.3
Overview of parameters
DIGSI
Parameter
addr.
1501
10BUSBAR
PROTECT.
1505
10Id>
1506
10K fac
1511
10 TrpDly
1 I
: normalized rated current; I
no
5.4.4

Annunciations

FNo.
Text on LC display
7721
LockOut
7911
BP act.
7914
BP Trip
7915
BP Tdel
7922
BIPulS.
7SS60 Manual
E50417-G1176-C132-A2
Condition
none
Possible settings
ON
OFF
BLO.TRP
1
1
0.2 I
to 2.50 I
no
no
0.25 to 0.80
0.00 to 10.00
=100mA with a symmetrical rated current flowing on the primary side
no
Lock Out state
Busbar protection active
Busbar protection: Trip
Busbar protection: Delay time started
Supervision of blocking pulse
Check zone protection
Default setting
ON
Busbar protection function
Threshold for differential current
1
1.00 I
no
0.60
Sensitivity to internal faults
0.00
Time delay of trip
Logical functions
Functions
Setting of
10 K fac (1506)
0.3
Explanation
5-19

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