The invention discloses a micro-grid coordinated control device and method, which aim to reduce the power generation cost and the operating cost of a micro-grid. The micro-grid coordinated control method comprises the steps: a micro-grid model and the constraint conditions are determined, a differential evolutionary algorithm is carried out, the active power actually output by all micro-sources isobtained, and a signal is issued to a micro-source controller to be executed by the micro-sources. The micro-grid coordinated control device is provided with a multi-micro-source coordinated controlmodule which conducts coordinated control and protection on the micro-grid, and the differential evolutionary algorithm is carried out. Compared with the prior art, the differential evolutionary algorithm is introduced into the micro-grid coordinated control method, economic operation of a micro-grid system can be maintained under the synchronization and island states, if one certain micro-sourceneeds to be shut down, under coordination of the micro-grid coordinated control device, the other micro-sources can coordinate power output according to the optimal economic operation scheme, extremely high compatibility and flexibility are achieved, convergence is quick, precision is high, and real-time performance is good.