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How to calculate earth flat size for 250 Kva DG and
transformer?

Answer Posted / uma sanker dwivedi

THE RATED CURRENT OUTPUT WILLBE 434AMP AND THE EARTH
CONTINUITY CONDUCTOR SHOULD BE HALF OF THE LARGEST CURRENT
CARRYING CONDUCTOR.
IF THERE IS CU CONDUCTOR OF SIZE 400SQ. MM IS USED THEN
EARTH CONDUCTOR SHOULD BE 200 SQ. MM OF DIMENSION 40X6 CU
STRIP CAN WORK EFFECTIVELY.

Is This Answer Correct ?    14 Yes 12 No



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