INT ER LOCKS BE TW EEN PANE LS AP PAR ATUS CO NTR O L TESTING
60 1 VLG 5000 17 C
Step 2/11
On the protection relay LHMI (upstream circuit breaker such as the Incomer, Generator and
Bus tie receiving the ARCSARC trip signal) go to -> Main Menu/Test/IED test
– Test mode = IED test
The ready LED is flashing when the protection relay is in test mode.
Figure 92: Entering test mode
Step 3/11
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/IED test
– Test mode = IED test
The ready LED is flashing when the protection relay is in test mode.
Step 4/11
Close all circuit breakers in the relative section. Check all the circuit breakers status on the
protection relay LHMIs.
Figure 93: Single line diagram, the circuit breaker is closed and in the service position
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