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I NT ER LO C K S BE T W EE N PA NE LS
Step 8/11
Repeat step 5 for other stages of Arc protection (represent other compartments of switch-
gear)
On the protection relay LHMI go to-> Main Menu/Test/Function tests/Other protection
– ARCSARC2 = Activate OPERATE
– ARCSARC2 = Deactivate OPERATE
– ARCSARC3 = Activate OPERATE
– ARCSARC3 = Deactivate OPERATE
Step 9/11
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/IED test
– Test mode = Normal mode
Ready LED is steady ON.
Figure 96: Entering test mode
Step 10/11
Repeat steps 4-8 for all feeders.
Step 11/11
On the protection relay LHMI (upstream circuit breaker) go to -> Main Menu/Test/IED test
– Test mode = Norma mode
6 2
AP PAR ATU S CO NTR O L T E S TI NG
1 VLG 5000 17 C
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