Settings
Addr.
Parameter
C
Setting Options
Default Setting
Breaker settings
_:2311:112
General:Current thresh.
CB open
1 A @ 100 Irated 0.030 A to 10.000 A
0.100 A
5 A @ 100 Irated 0.15 A to 50.00 A
0.50 A
1 A @ 50 Irated
0.030 A to 10.000 A
0.100 A
5 A @ 50 Irated
0.15 A to 50.00 A
0.50 A
1 A @ 1.6 Irated
0.001 A to 1.600 A
0.100 A
5 A @ 1.6 Irated
0.005 A to 8.000 A
0.500 A
_:2311:136
General:Op. mode BFP
•
unbalancing
•
I> query
unbalancing
Circuit-Breaker Condition for the Protected Object
Logic
[loprolsz-140611-01.tif, 2, en_US]
Figure 5-96
Logic Diagram of the Circuit-Breaker Condition for the Protected-Object Function Block
The circuit-breaker position recognition in the Circuit-breaker (CB) function group provides the circuit-breaker
condition by way of the internal signal
CB pos. recogn. prot. obj.
.
If a protected object is supplied via 2 circuit breakers (CBs), for example with the 1 1/2 circuit-breaker layout,
then the circuit-breaker switch position of the protected object must be determined with the aid of both circuit
breakers. In this case, the Circuit-breaker position recognition for the protected object function block
connects the individual CB states. The connection provides the internal
CB pos. recogn. prot. obj.
signal to the other function blocks of the process monitor and to other functions, for example, Trip in the
event of weak infeed and Echo function for teleprotection method, within the same function group.
If one of the following 2 conditions is met, the
CB pos. recogn. prot. obj.
signal is in the
Open
state:
•
All connected circuit breakers signal the
Open
state internally.
•
The
>Disconnector open
input is active.
If the following 2 conditions are met, the
CB pos. recogn. prot. obj.
signal is in the
Closed
state:
•
At least one of the connected circuit breakers signals the
Closed
state internally.
•
The
>Disconnector open
input is not active.
Closure Detection
The closure detection enables the immediate tripping of selected protection functions or protection stages
when switching to a short circuit or the reduction of the responsivity. The closure detection determines
whether the protected object is switched on.
5.8.5
5.8.6
5.8.7
Function-Group Types
5.8 Process Monitor
SIPROTEC 5, High-Voltage Bay Controller, Manual
295
C53000-G5040-C015-9, Edition 11.2017
Summary of Contents for 6MD85
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