Monitoring system of distributed photovoltaic grid-connected power inverters

The utility model relates to a monitoring system of distributed photovoltaic grid-connected power inverters, comprising a monitoring management device and a plurality of data acquisition terminals. The monitoring management device and the plurality of data acquisition terminals are all connected with an internet, and one data acquisition terminal is connected with at least one photovoltaic grid-connected power inverter; each data acquisition terminal comprises a PLC module and a GPRS-GPS module, the PLC module is connected with at least one photovoltaic grid-connected power inverter via a power line, and outputs the acquisition data acquired from the photovoltaic grid-connected power inverter; the GPRS-GPS module sends the geography position information obtained based on the GPS and the acquisition data outputted by the PLC module to the internet. By using the monitoring system of the utility model, the maintainability of the photovoltaic grid-connected power inverters is improved, the structure of the monitoring system of the distributed photovoltaic grid-connected power inverters is simplified, and the robustness is improved.