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