1. IN A SYNCHRONOUSLY CONTROLLED AC TO AC CONVERTER THE COMBINATION OF: AN ELECTRICAL ENERGY SOURCE OF AN ANGULAR AC FREQUENCY, SAID ENERGY SOURCE INCLUDING AN OUTPUT CIRCUIT; A FIRST PLURALITY OF CIRCUITS COMPRISING A FIRST PLURALITY OF SEQUENTIALLY OPERATED AND APARALEL COUPLED CIRCUIT INTERRUPTERS BEING COUPLED TO THE OUTPUT CIRCUIT OF SAID ELECTRICAL ENERGY SOURCE, SAID FIRST PLURALITY OF CIRCUITS FURTHER COMPRISING A CURRENT RECTIFIER BEING COUPLED IN SERIES WITH EACH SAID INTERRUPTER MEANS OF SAID FIRST PLURALITY; A SECOND PLURALITY OF CIRCUITS COMPRISING A SECOND PLURALITY OF SEQUENTIALLY OPERATED AND PARALLEL COUPLED INTERRUPTER MEANS BEING COUPLED TO THE OUTPUT CIRCUIT OF SAID ELECTRICAL SOURCE AND IN PARALLEL WITH SAID FIRST PLURALITY OF CIRCUITS, SAID SECOND PLURALITY OF CIRCUITS FURTHER COMPRISING A CURRENT RECTIFIER COUPLED IN SERIES WITH EACH INTERRUPTER MEANS OF SAID SECOND PLURALITY; A RESONATOR MEANS BEING RESPONSIVE TO THE OUTPUT OF SAID FIRST AND SAID SECOND PLURALITY OF CIRCUITS, SAID RESONATOR MEANS BEING CAPABLE OF RESONATING AT AN ODD MULTIPLE OF THE FREQUENCY OF SAID ELECTRICAL ENERGY SOURCE; AND MEANS FOR SYNCHRONOUSLY AND ALTERNATELY OPERATING SAID FIRST AND SAID SECOND PLURALITY OF INTERRUPTER MEANS THROUGH A SEQUENCE OF OPERATIONS AT PREDETERMINED EQUALLY SPACED TIME INTERVALS, SAID MEANS BEING COUPLED TO SAID FIRST AND SAID SECOND PLURALITY OF CIRCUITS, SAID MEANS BEING RESPONSIVE TO SAID ELECTRICAL SOURCE.