Energy management method and device suitable for light storage direct flexible system of residence

The invention relates to an energy management method of an optical storage direct-flexible system suitable for a residence, and provides the energy management method of the optical storage direct-flexible system suitable for the residence in order to solve the problems of high communication cost and high difficulty of a centralized control mode, and the method comprises the following steps: constructing the optical storage direct-flexible system suitable for the residence; obtaining the interaction power of the current residence and the alternating current power grid, the photovoltaic power generation power, the uncontrollable direct current load power, the adjustable direct current load power and the direct current bus voltage; determining the power utilization power change condition of the system according to the actual interaction power of the residence and the alternating-current power grid; and according to the adjusted photovoltaic power generation power, the storage battery power, the uncontrollable di