{HEAD ~ A first diode}, connected to {TAIL ~ the junction} of the primary winding and a series switch, conducts the demagnetizing energy out of the primary circuit into a shunt connected storage capacitor 
connected to
{ HEAD ~ A first diode } , connected to { TAIL ~ the junction } of the primary winding and a series switch , conducts the demagnetizing energy out of the primary circuit into a shunt connected storage capacitor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH