Patent ID: 8362740

Claim:
A system of a plurality of parallel-connected fuel cell converter devices, comprising: a plurality of fuel cell converter devices; a parallel connection unit electrically connected to output ends of the fuel cell converter devices; a power control unit electrically connected to a load and configured to calculate electrical energy required by the load; a Mux control unit electrically connected to the parallel connection unit and configured to read electrical energy output by the parallel connection unit; a master controller electrically connected to the power control unit and the Mux control unit and configured to read signals from the power control unit and the Mux control unit and control the fuel cell converter devices accordingly; an array controller electrically connected to the parallel connection unit, the master controller, and each said fuel cell converter device; a bi-directional converter electrically connected to and controlled by the array controller; and a battery electrically connected to and controlled by the bi-directional converter so as to be charged or discharged.