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what is the formular for the calculation of CT'S when
installed as part of a electrical installation so the
correct meter is used
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Answer Posted / denzel101
Calculate the maximum current you want to measure from your
system. for example calculate the full load current of a
supply transformer. if the full load current is 200 Amps
and your meters have 1amp rating, choose the ratio of 200:1
CT.
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