GE Industrial Solutions Entellisys 4.0 System User Manual - Manual (Page 99)

Synch Check relay 99
5
5.3.3.1 Event logging
The following events are logged for the Synch Check relay:
•
Synch Check Control Enabled 1…12 – Synch check relay 1…12 has been enabled
•
Synch Check Control Disabled 1…12 – Synch check relay 1…12 has been disabled
•
Synch Check 1…12 Sources Not Synchronized – Messengers that are providing voltage
information for synch check relay are not synchronized, so Entellisys is unable to check for
synchronization between voltage sources.
•
Synch Check 1…12 Sources Not Compatible – Voltage sources for synch check relay 1…12 are
not compatible; i.e. they have different PT configurations or ratings
•
Synch Check 1…12 Dead Source Operate – Dead source criteria for synch check relay 1…12
have been met
•
Synch Check 1…12 Dead Source Drop Out – Dead source criteria for synch check relay 1…12
have been met
•
Synch Check 1…12 V1 Above Minimum – Voltage source 1 for synch check relay 1…12 is
above the live source threshold
•
Synch Check 1…12 V1 Below Maximum – Voltage source 1 for synch check relay 1…12 is
below the dead source threshold
•
Synch Check 1…12 V2 Above Minimum – Voltage source 2 for synch check relay 1…12 is
above the live source threshold
•
Synch Check 1…12 V2 Below Maximum – Voltage source 2 for synch check relay 1…12 is
below the dead source threshold
To view these events, click Sequence of Events on the Main Menu.