Protective Elements
Voltage release by (self-) measured voltage values AND via remote control connection from
the PCC
This method can be used if the PCC is on the HV side.
If the PCC is on the HV side the VDE AR-N 4120 (01/2015) permits connecting the power generation unit only if
both the remote control release signal is present and the mains voltage connected to the generation unit is healthy.
Therefore the logical AND operation of the internal and external signals has been made available and can be
selected in case of HV network applications.
In the menu [Protection Para\Set[x]\Intercon-Prot\ReCon\General settings] the parameter
»V Ext Release
PCC Fc«
has to be set to
»active«
. With this setting the voltage release signal from the PCC is used (e. g.
signal via digital input).
Additionally the parameter
»Reclosure Release Cond« in the menu
[Protection Para\Set[x]\Intercon-Prot\ReCon\Release Para\Reconnect. Release Cond] has to be set to
»Both«.
Moreover the remote control release signal has to be assigned to the parameter
»V Ext Release PCC«
in the
menu
[Protection Para\Global Prot Para\Intercon-Prot\ReCon\General settings].
971 MCDGV4 DOK-HB-MCDGV4-2E
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