Engine: Electricity

Question 805 of 1,386

From the information given in the illustration, what would be the maximum output amperage available from the emergency generator if it operated with a power factor of 0.9? EL-0106

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Comments from mariners who studied this question.

an andrewmillar · Oct 8, 2017

I = P/V, 500,000W/480V = 1041.xx (0.9) = 937.5

TB TBird999 · Nov 25, 2018

yeah i'm getting the same thing. answer is A

St Stan · May 4, 2019

P=SQR(3)xIxVxPF
500000=1.73xIx480X0.9
i=500000/1.73x480x0.9
i=669 Amps