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what is the function of a Master
trip relay? why is it used ?
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Answer Posted / sennapparajan
Master trip realy is the main trip relay.The breaker will
trip through This relay only. in transmission &
disttribution line there are so many protection relays
like....distence relay overcurrent earth fault,
diffrential. All the relay'S contact will connet parelly to
master trip relay. if any of the protection rely sence the
fault... it will energise the master trip rely and the
master trip relay will trip the breaker.it got one more
name like lock out relay.
| Is This Answer Correct ? | 197 Yes | 18 No |
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