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EDR-5000
IM02602007E
Voltage release via remote control connection from the PCC
The voltage has to be recovered at the PCC before the reconnection is
done.
If the PCC is located in the HV level the distance to the PCC is in general
large.
The Information that the voltage is restored is to be transmitted via a
remote control signal to the distributed energy resource.
This method has to be used, if the PCC is on the HV side.
This method can be used, if the PCC is on the MV side.
If
reconnection relaese
should be done via remote control signal from the PCC:
In the menu [Protection Para\Set[x]\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 should be used (e. g. signal via digital
input)
Additionally the parameter
»Reclosure Release Cond« in the menu [Protection Para\Set[x]\ReCon\Release
Para\Reconnect. Release Cond] has to be set to
»V Ext Release PCC«
Also 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]
Voltage release by (self-) measured voltage values
This method can be used, if the PCC is on the MV side.
If the PCC is on the MV side, the device can measure the phase to phase voltages on the mains side and decide if the
mains voltage has stabilized sufficiently for reconnection.
For this method the parameter »
V Ext Release PCC Fk« in the menu
[Protection Para\Set[x]\ReCon\General settings] has to be set to »
inactive«
.
Additionally the parameter »
Reclosure. Release Cond« in the menu
[Protection Para\Set[x]\ReCon\Reclosure Release] has to be set to
»
V internal release «
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