Power management in fuel cell system based microgrids

A microgrid, comprising:

• a plurality of direct current (DC) power sources;
• a plurality of voltage source inverters, wherein a DC end of each of the plurality of voltage source inverters is electrically connected to a respective DC power source of the plurality of DC power sources;
• a microgrid side bus, wherein an alternating current (AC) end of each of the plurality of voltage source inverters is electrically connected to the microgrid side bus, and the microgrid side bus is configured to be electrically connected to a load;
• a plurality of current source inverters, wherein a DC end of each of the plurality of current source inverters is electrically connected to a respective DC power source of the plurality of DC power sources;
• a grid side bus, wherein an AC end of each of the plurality of current source inverters is electrically connected to the grid side bus;
• a transfer switch configured to control a selective electrical connection of the grid side bus to an electric utility power grid or to the microgrid side bus;
• and
• a transmission bus electrically connected between the microgrid side bus and the grid side bus.