The fail safe transformer circuit 1, wherein said {HEAD ~ secondary winding} of said transformer supplies {TAIL ~ the a.c. voltage signals} to a rectifier for producing a d.c. control signal for a transductor which controls the supply of a.c. voltage to a transformer having primary, secondary and tertiary windings 
supplies
The fail safe transformer circuit 1 , wherein said { HEAD ~ secondary winding } of said transformer supplies { TAIL ~ the a.c . voltage signals } to a rectifier for producing a d.c . control signal for a transductor which controls the supply of a.c . voltage to a transformer having primary , secondary and tertiary windings
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH