Photovoltaic micro-grid droop control device

The utility model discloses a photovoltaic micro-grid droop control device, and belongs to the technical field of photovoltaic micro-grids. The device comprises a single-chip microcomputer controller, a power grid parameter detection unit and a droop control unit, the single-chip microcomputer controller is respectively connected with the power grid parameter detection unit and the droop control unit, and the power grid parameter detection unit transmits detected micro-grid digital quantity signals and analog quantity to the single-chip microcomputer controller. After being processed by the single-chip microcomputer controller, the voltage is transmitted to the droop control unit, and the droop control unit controls the voltage output of the photovoltaic micro-grid through the droop relation between the voltage and the power of the photovoltaic micro-grid, so that the stability of the photovoltaic micro-grid is achieved. According to the utility model, power equal distribution of cut-in loads and stable opera