A corrected secondary current is then calculated by adding {HEAD ~ the calculated exciting current} to {TAIL ~ the measured secondary current} 
to
A corrected secondary current is then calculated by adding { HEAD ~ the calculated exciting current } to { TAIL ~ the measured secondary current }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL