The invention discloses a distributed photovoltaic cluster system, which comprises a distributed cluster monitoring master station, a distributed cluster management and control device and a distributed photovoltaic power station, wherein the distributed cluster management and control device is used for receiving real-time data of the distributed photovoltaic power station, dividing a distributed photovoltaic cluster according to the operation state of distributed photovoltaic, modeling the distributed photovoltaic cluster, generating a model file, transmitting data to the distributed cluster monitoring master station and executing a control instruction of the distributed cluster monitoring master station on the cluster; and the distributed cluster monitoring master station is used for analyzing the model file and dispatching a power supply cluster of the distributed photovoltaic power station. By the distributed photovoltaic cluster system disclosed by the invention, the interoperation problem of a distributed power supply cluster control system can be solved; effective control on grid connection of a distributed power supply is achieved; and the grid connection consumption capability of the distributed power supply in a power grid is improved.