As shown in the illustrated alternator protection scheme diagram, what would cause the differential relay (DIFF) to trip the alternator circuit breaker? See illustration EL-0067.

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Accepted Answer

a difference in current between each end of a stator phase winding

Answer

a difference of voltage between each end of a stator phase winding

Answer

a difference in voltage between each end of the main field winding

Answer

a difference in current between each end of the main field winding

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