Two alternators say 1 & 2 are poised to parallel operation.
But at the time of paralleing alternator 2 gets out of the
system by tripping Earth fault relay. Please send me reply
why this is happening?

Answer Posted / amit khamesra

In addition to the above answer, what type of earthing is
provided for both the generators also matters. Secondly, if
it is NGR, which NGR is closed, or both are closed.

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