ET HER N ET N E T W OR K V ER IF I CAT IO N PROTE CT IO N R E LAYS
1VLG5 00 0 17 C 5
Figure 4: PTP priority setting for Master clock
Other protection relays
On the protection relay LHMI go to -> Main Menu/Configuration/Time/Synchronisation
– PTP priority 1 = 128
– PTP priority 2 = 128
Figure 5: PTP priority setting for Slave clock
If both, Master and Backup master clocks fails, the protection relays establish a new
primary source for time synchronization information automatically.
Check time synchronization status at the voltage sender protection relay.
On the protection relay LHMI go to -> Main Menu/Monitoring/IED status/
Time synchronisation
– Synch source = IEEE 1588 master
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