A reconfigurable power system , comprising: a DC power source ; an electrical energy storage device ; an AC power grid connection ; and a power converter configured to selectively couple two or more of the DC power source , the electrical energy storage device , and the AC power grid connection , characterized in that the reconfigurable power system is configured to sequentially operate in at least three modes: in a first one of the modes the power converter is configured as a DC-DC converter coupling the DC power source to the electrical energy storage device ; in a second one of the modes the power converter is configured as a DC-AC inverter coupling the DC power source and the electrical energy storage device to the AC power grid connection ; and in a third one of the modes the power converter is configured as a DC-AC inverter coupling the electrical energy storage device to the AC power grid connection , and in that the reconfigurable power system is configured to, during a transition from the first one of the modes to the second one of the modes, uncouple the DC power source from the electrical energy storage device and equalize a voltage of the electrical energy storage device to a voltage of a capacitor that is connected in parallel with the electrical energy storage device , and then configure the power converter as a DC-AC inverter and couple the DC power source and the electrical energy storage device to the AC power grid connection . a DC power source ; an electrical energy storage device ; an AC power grid connection ; and a power converter configured to selectively couple two or more of the DC power source , the electrical energy storage device , and the AC power grid connection , characterized in that the reconfigurable power system is configured to sequentially operate in at least three modes: in a first one of the modes the power converter is configured as a DC-DC converter coupling the DC power source to the electrical energy storage device ; in a second one of the modes the power converter is configured as a DC-AC inverter coupling the DC power source and the electrical energy storage device to the AC power grid connection ; and in a third one of the modes the power converter is configured as a DC-AC inverter coupling the electrical energy storage device to the AC power grid connection , in a first one of the modes the power converter is configured as a DC-DC converter coupling the DC power source to the electrical energy storage device ; in a second one of the modes the power converter is configured as a DC-AC inverter coupling the DC power source and the electrical energy storage device to the AC power grid connection ; and in a third one of the modes the power converter is configured as a DC-AC inverter coupling the electrical energy storage device to the AC power grid connection , and in that the reconfigurable power system is configured to, during a transition from the first one of the modes to the second one of the modes, uncouple the DC power source from the electrical energy storage device and equalize a voltage of the electrical energy storage device to a voltage of a capacitor that is connected in parallel with the electrical energy storage device , and then configure the power converter as a DC-AC inverter and couple the DC power source and the electrical energy storage device to the AC power grid connection . <EOS>