Capacitance tuning circuit for variable speed alternator current control

Claim 1

A PARALLEL TUNING CAPACITANCE CIRCUIT FOR VARIABLE SPEED ALTERNATOR CURRENT CONTROL, AND COMPRISING: A FIRST CAPACITANCE RECEIVED ACROSS THE OUTPUT LEADS OF A VARIABLE SPEED ALTERNATOR, A SECOND CAPACITANCE RECIEVED ACROSS THE OUTPUT LEADS OF SAID ALTERNATOR AND IN SERIES WITH SAID FIRST CAPACITANCE, A PAIR OF MAGNETIC AMPLIFIERS HAVING THE POWER WINDINGS THEREOF EACH CONNECTED IN SERIES WITH SAID SECOND CAPACITANCE ACROSS SAID ALTERNATOR OUTPUT LEADS, RECTIFIER MEANS CONNECTED IN SERIES WITH SAID MAGNETIC AMPLIFIER POWER WINDINGS AND EACH CONDUCTIVE OF CURRENT FLOW IN OPPOSITE DIRECTIONS, A NON-LINEAR INDUCTOR AND A RESISTOR CONNECTED IN SERIES ACROSS SAID ALTERNATOR OUTPUT LEADS, A CONTROL SIGNAL SOURCE CONNECTED TO THE CONTROL WINDINGS OF SAID MAGNETIC AMPLIFIERS AND INCLUDING A CONTACT RELAY IN SERIES THEREWITH, AND MEANS PROVIDED ACROSS SAID RESISTOR AND OPERATIVE OF SAID CONTACT RELAY FOR INACTIVATION AT REDUCED ALTERNATOR SPEEDS.