Settings Description
Close cmd. at V1< & V2>
Closing release under the condition that the part V
1
of the power
system is de-energized and the part of the electrical power
system U
2
is energized.
Close cmd. at V1< & V2<
Closing release provided mains adapters V
1
and V
2
are de-ener-
gized.
Each of these conditions can be made effective individually via parameters or binary input. You can also set
parameters for combinations, for example a release for closure, if Close cmd. at V1> & V2< or Close
cmd. at V1< & V2> has been fulfilled.
[losyn003-160311-01.tif, 1, en_US]
Figure 8-70
Release Conditions for Switching to De-Energized Line/Busbar
The indications Cond. V1>V2< fulfilled, Cond. V1<V2> fulfilled and Cond. V1<V2<
fulfilled indicate that the relevant conditions are fulfilled.
You can use the Supervision time parameter to set a supervision time for which the closing conditions
must at least be fulfilled with de-energized connection, before closing is allowed.
Control Functions
8.4 Synchronization Function
SIPROTEC 5, Overcurrent Protection, Manual 1155
C53000-G5040-C017-8, Edition 07.2017
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