Data acquisition system and method based on photovoltaic power generation

The invention discloses a data acquisition system and method based on photovoltaic power generation, and relates to the technical field of photovoltaic power generation, and the system comprises a data acquisition module, an instruction generation module, a data monitoring module, a data analysis module and a node distribution module. The data monitoring module is used for retrieving, downloading and monitoring the photovoltaic power generation data cached by the management center, and evaluating the observation coefficient GC of the corresponding photovoltaic power station; the instruction generation module is used for determining the acquisition frequency of the corresponding photovoltaic power station according to the observation coefficient GC and reasonably arranging monitoring resources; in response to the data acquisition instruction, the data acquisition module is used for acquiring photovoltaic power generation data of a plurality of photovoltaic modules and transmitting the photovoltaic power genera