Power rectifying apparatus

Claim 1

A CONTROLLABLE POWER-RECTIFYING APPARATUS, COMPRISING A MULTIPHASE POWER-INPUT TRANSFORMER HAVING A PRIMARY CIRCUIT FOR CONNECTION TO AN ALTERNATING-CURRENT POWER SOURCE AND HAVING FOR EACH PHASE A GROUP OF MUTUALLY INSULATED AND INDUCTIVELY INTERLINKED SECONDARY WINDINGS; TWO DIRECT-CURRENT OUTPUT TERMINALS; A PLURALITY OF MULTIPHASE RECTIFIER BRIDGE NETWORKS EACH HAVING ALTERNATING CURRENT FEEDER POINTS IN MULTIPHASE CONNECTION WITH ONE OF SAID RESPECTIVE SECONDARY WINDINGS IN EACH OF SAID WINDING GROUPS, EACH OF SAID NETWORKS HAVING A CONTROLLABLE SATURABLE RECTOR AND A SEMICONDUCTOR RECTIFIER UNIT CONNECTED IN SERIES WITH EACH OTHER BETWEEN EACH FEEDER POINT AND EACH OF SAID OUTPUT TERMINALS, THOSE OF SAID REACTORS THAT ARE DISPOSED IN DIFFERENT RESPECTIVE NETWORKS BUT ARE CONNECTED TO RESPECTIVE SECONDARY WINDINGS OF THE SAME WINDING GROUP BEING INDUCTIVELY INTERLINKED AND CONSTRUCTED TO ADJUST FORWARD VOLTAGE DROP ON THEIR CORRESPONDING RECTIFIER UNITS UNTIL FORWARD CURRENTS OF EACH OF SAID RECTIFIER UNITS ARE SUBSTANTIALLY OF A PREDETERMINED PROPORTION REGARDLESS OF THEIR FORWARD VOLTAGE CHARACTERISTICS; EACH OF SAID RECTIFIER NETWORKS BEING ELECTRICALLY INSULATED THROUGHOUT FROM EACH OF THE OTHER NETWORK WITH THE EXCEPTION OF THEIR COMMON CONNECTION TO SAID OUTPUT TERMINALS, WHEREBY ALL SAID NETWORKS AND RECTIFIER UNITS ARE CONSTRAINED TO SHARE THE LOAD OF THE RECTIFYING APPARATUS IN A GIVEN PROPORTION.