Governor control circuit including a plurality of compensating networks

Claim 1

AN ELECTRONIC GOVERNOR CONTROL CIRCUIT FOR A TURBINE DRIVEN ALTERNATOR IN WHICH THE TURBINE IS PROVIDED WITH GOVERNOR MEANS FOR ADJUSTING THE FUEL SUPPLY TO SAID TURBINE SO AS TO MAINTAIN A SUBSTANTIALLY CONSTANT TURBINE SPEED AND ALTERNATOR OUTPUT, COMPRISING: (A) CIRCUIT MEANS CONNECTED TO SAID ALTERNATOR FOR SENSING AND MEASURING A LOAD APPLIED TO SAID ALTERNATOR AND PRODUCING AN ELECTRICAL SIGNAL PROPORTIONAL TO THE LOAD; (B) MEANS RESPONSIVE TO SAID ELECTRICAL SIGNAL FOR ADJUSTING THE FUEL SUPPLY TO SAID TURBINE INDEPENDENTLY OF ANY SPEED ADJUSTMENT PERFORMED BY SAID GOVERNOR MEANS; (C) A LAG NETWORK FOR ACTUATING SAID ADJUSTING MEANS TO REDUCE THE FUEL FLOW TO THE TURBINE AN AMOUNT PROPORTIONAL TO SAID ELECTRICAL SIGNAL WHEN SAID ALTERNATOR IS COUPLED IN PARALLEL WITH ANOTHER ALTERNATOR; (D) AN ANTICIPATION NETWORK IN PARALLEL WITH SAID LAG NETWORK FOR ACTUATING SAID ADJUSTING MEANS TO INCREASE THE FUEL FLOW TO SAID TURBINE AN AMOUND PROPORTIONAL TO SAID ELECTRICAL SIGNAL WHEN SAID ALTERNATOR IS NOT COUPLED IN PARALLEL WITH ANOTHER ALTERNATOR; AND (E) MEANS FOR SELECTIVELY CONNECTING SAID NETWORKS INTO THE ELECTRONIC CONTROL CIRCUIT BETWEEN SAID ADJUSTING MEANS AND SAID CIRCUIT MEANS.