The three phase alternating current circuit configuration 2, wherein said pulse generator includes an optical coupler that electrically isolates said {HEAD ~ control voltage} from said {TAIL ~ pulse generator} 
from
The three phase alternating current circuit configuration 2 , wherein said pulse generator includes an optical coupler that electrically isolates said { HEAD ~ control voltage } from said { TAIL ~ pulse generator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL