1.what is bus cuplour and main funtions.
2.what is main function of alternator.
3.how many types of dg oils.
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Answer Posted / murali
Buscoupler is nothing a but a breaker which is medium of
the two source(two I/c) and it operate while absent of
eightr one i/c for uninterruption supply to Load
If Both I/c ON Buscoupler should OFF,
If any One OFF buscoupler should ON
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