Distributed optimization for hybrid ac-dc microgrid

A method for optimizing a hybrid microgrid including direct current (DC) loads and alternating current (AC) loads, the method comprising:

• receiving, by a microgrid controller, energy resource information from each energy resource system of a plurality of energy resource systems,
• wherein the plurality of energy resource systems includes DC energy resource systems configured to supply DC power, and AC energy resource systems configured to supply AC power, and
• wherein the energy resource information includes an available output power;
• determining, by the microgrid controller, based on the available output power indicated by each energy resource system, a net available DC output power available from the DC energy resource systems and a net available AC output power available from the AC energy resource systems;
• determining, by the microgrid controller, a net DC load corresponding to the DC loads;
• determining, by the microgrid controller, a net AC load corresponding to the AC loads;
• dispatching, by the microgrid controller, power from the plurality of energy resource systems to the DC loads and the AC loads, including prioritizing the net available DC output power to the DC loads for satisfying at least a portion of the net DC load, and prioritizing the net available AC output power to the AC loads for satisfying at least a portion of the net AC load;
• and
• after satisfying the net DC load, dispatching, by the microgrid controller, a remaining DC portion of the net available DC output power to the AC loads for satisfying at least an additional portion of the net AC load, or
• after satisfying the net AC load, dispatching, by the microgrid controller, a remaining AC portion of the net available AC output power to the DC loads for satisfying at least an additional portion of the net DC load.