Note the following special features:
•
As soon as there is a synchronization function available in the device, the measured values are calculated
and displayed. One stage must be activated for calculating all Delta settings. It is not necessary to start
the stage for this purpose.
•
If all synchronization stages are deactivated within the function, closure via the control will no longer be
possible, as none of the stages can generate an closing release. If the synchronization function is deleted,
the circuit breaker is no longer regarded as subject to compulsory synchronization. In this case, it is
possible to activate via the control without synchronization.
•
If more than one synchronization stage is switched on, then the
>Selection
signal must be active for
exactly one stage, so that it can be activated via the controls.
You can block the entire synchronization stage via the binary signal
>Block stage
. A started process is
completed and the entire stage reset after blocking. The stage must be restarted to initiate a new switching
procedure. The blocking only affects the test process for the closing conditions. The measured values are still
calculated and displayed.
Operating Range
[losyn002-160311-01.tif, 1, en_US]
Figure 6-65
Logic of the Operating Ranges
The operating range of the synchronization function is defined by the configurable voltage limits
Min.
operating limit Vmin
and
Max. operat. limit Vmax
as well as by the specified frequency band
f
rated
±4 Hz.
If one or both voltages are outside the permitted operating range when the measurement is started or a
voltage leaves the range, this is displayed via corresponding indications
Frequency f1 > fmax
,
Frequency f1 < fmin
,
Voltage V1 > Vmax
,
Voltage V1 < Vmin
etc. The closing conditions are
then not checked.
Control Functions
6.4 Synchronization Function
366
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Summary of Contents for 6MD85
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