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