why CT ratio stand for 50/5, 100/5, 25/5.
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Answer Posted / sanjay kumar
it is very easy to standered of primary current e.i
25,50,100,150,200,250,300,400,600,800,1000,1250,1600 and
2000 etc convert in to secondry current in perfect number
between minimum and maximum primary current, losses (i2r)
in ckt very low.
For that purpose 5 is perfect number
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