Application of power at zero reference time

Claim 1

A POWER SUPPLY CONTROL SYSTEM COMPRISING IN COMBINATION: FIRST AND SECOND CONTROLLED RECTIFIERS EACH HAVING A GATE ELECTRODE AND HAVING THE ANODE AND CATHODE OF ONE RECTIFIER CONNECTED RESPECTIVELY TO THE CATHOD AND ANODE OF THE OTHER FOR CONTROLLING FULL WAVE POWER FROM AN ALTERNATING POWER SUPPLY TO A LOAD; A TRANSFORMER HAVING A PRIMARY WINDING AND FIRST AND SECOND SECONDARY WINDINGS RESPECTIVELY COUPLED WITH SAID GATE ELECTRODES; A UNIDIRECTIONAL CURRENT CONTROL DEVICE CONNECTED IN SERIES CIRCUIT WITH SAID PRIMARY WINDING FOR CONTROLLING THE FLOW OF CURRENT THERETHROUGH; FIRST TIMING CIRCUIT MEANS CONNECTED TO THE ANODE OF ONE OF SAID RECTIFIERS, TO SAID PRIMARY WINDING, AND TO SAID DEVICE FOR PROVIDING A VOLTAGE TO SAID PRIMARY WINDING AND SAID DEVICE WHICH LEADS THE PHASE OF THE VOLTAGE ON THE ANODE OF SAID ONE RECTIFIER BY A FIRST AMOUNT, AND SECOND TIMING CIRCUIT MEANS CONNECTED TO SAID PRIMARY WINDING, SAID DEVICE, AND TO SAID FIRST TIMING CIRCUIT MEANS FOR DECREASING THE AMOUNT OF SAID PHASE LEAD FOLLOWING CONDUCTION OF SAID ONE RECTIFIER.