The exciting current of {TAIL ~ a current transformer} is calculated and added to the measured secondary current to produce {HEAD ~ a corrected signal} 
The exciting current of { TAIL ~ a current transformer } is calculated and added to the measured secondary current to produce { HEAD ~ a corrected signal }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD