{HEAD ~ The current} in {TAIL ~ the inductor} is measured, and, by applying an appropriate constant of proportionality, the exciting current of the current transformer is determined 
in
{ HEAD ~ The current } in { TAIL ~ the inductor } is measured , and , by applying an appropriate constant of proportionality , the exciting current of the current transformer is determined
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH