POWER NET APPARATUS OF A FUEL CELL AND CONTROL METHOD THEREOF

A power net apparatus for a fuel cell includes a fuel cell configured to supply power to an inverter of a vehicle, a supercapacitor configured to assist the fuel cell, a bidirectional converter configured to charge and discharge the fuel cell and the supercapacitor, a switching device configured to distinguish driving modes for the vehicle, and a controller configured to drive the vehicle by controlling the supercapacitor to charge or discharge by controlling the switching device and the bidirectional converter according to the driving modes for the vehicle, and by assisting the fuel cell.