Photovoltaic inverter capacitance monitoring system

The utility model provides a photovoltaic inverter capacitance monitoring system, which belongs to the field of intelligent capacitance detection and is characterized in that a first signal acquisition module is used for acquiring voltage and current of an input end of a photovoltaic inverter; the second signal acquisition module is used for acquiring voltage and current of the output end of the photovoltaic inverter; the temperature signal acquisition module is used for acquiring the temperature of a capacitor of the photovoltaic inverter; and the control module is used for receiving signals of the first signal acquisition module, the second signal acquisition module and the temperature signal acquisition module, and calculating the received signals to obtain a photovoltaic inverter capacitance monitoring result. And the first signal acquisition module, the second signal acquisition module and the temperature signal acquisition module are all arranged on the outer side of the shell of the photovoltaic invert