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Answer Posted / prasanna
LBB IS THE LOCAL BREAKAR BACKUP
RELAY.
All the trip command are go via the
mastar trip relay. Suppose mastar
trip relay fail means lbb gives the
trip command... Commant ANSI
code of LBB is 96. It is energised by
67RYBN means overload relay
| Is This Answer Correct ? | 4 Yes | 15 No |
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