With such arrangement, undesirable energy spikes produced in {HEAD ~ the primary windings} from {TAIL ~ stray and leakage inductances} is returned to the voltage source means for subsequent use by the voltage source means 
from
With such arrangement , undesirable energy spikes produced in { HEAD ~ the primary windings } from { TAIL ~ stray and leakage inductances } is returned to the voltage source means for subsequent use by the voltage source means
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH