Addr. Parameter C Setting Options Default Setting
General
_:5071:1 Synchrocheck 1:Mode
•
off
•
on
•
test
off
_:5071:101 Synchrocheck 1:Min.
operating limit Vmin
0.300 V to 340.000 V 90.000 V
_:5071:102 Synchrocheck 1:Max.
operat. limit Vmax
0.300 V to 340.000 V 110.000 V
_:5071:110 Synchrocheck
1:Max.durat.
sync.process
0.00 s to 3600.00 s; ∞ 30.00 s
_:5071:108 Synchrocheck 1:Direct
close command
•
no
•
yes
no
_:5071:126 Synchrocheck 1:Voltage
adjustment
0.500 to 2.000 1.000
General
_:5041:1 Sychr./Asycr.1:Mode
•
off
•
on
•
test
off
_:5041:101 Sychr./Asycr.1:Min. oper-
ating limit Vmin
0.300 V to 340.000 V 90.000 V
_:5041:102 Sychr./Asycr.1:Max.
operat. limit Vmax
0.300 V to 340.000 V 110.000 V
_:5041:110 Sychr./Asycr.
1:Max.durat.
sync.process
0.00 s to 3600.00 s; ∞ 30.00 s
_:5041:108 Sychr./Asycr.1:Direct
close command
•
no
•
yes
no
_:5041:126 Sychr./Asycr.1:Voltage
adjustment
0.500 to 2.000 1.000
Dynamic Measuring-Point Switching
Dynamic measuring-point switching provides the capability to connect the voltages used in the Synchro-
check function to various measuring points. In this way, for example, it is possible to use the correct voltage
on the basis of the switch position on the switching devices. If more than 1 measuring point is connected to
V
sync1
or
V sync2
, you must create the V sync select. function block in the Circuit-breaker function
group.
Selection of the desired voltage measuring points (
V sync1
and
V sync2
) for the Circuit-breaker function
group is controlled via Continuous Function Chart.
Example
Figure 6-67 shows an example of a Synchrocheck in a breaker-and-a-half arrangement. If circuit breaker QA2
is to be closed, the reference voltages must be selected from several possible measuring points. This selection
of measuring points is dependent on the switch positions of all circuit breakers and disconnectors.
6.4.5
Control Functions
6.4 Synchronization Function
372 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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