The reactor comprises an comrises {HEAD ~ an annular iron core} 11 constituting {TAIL ~ a closed magnetic path} and a coil 12, a conductor wound around the iron core 11 
constituting
The reactor comprises an comrises { HEAD ~ an annular iron core } 11 constituting { TAIL ~ a closed magnetic path } and a coil 12 , a conductor wound around the iron core 11
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH