Small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system

The utility model relates to a small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system, which comprises a photovoltaic battery panel matrix and a confluence box, wherein a storage battery controller, an inversion/rectification integrated converter and a direct-current load control switch are connected to an output end of the confluence box; the storage battery controller and the direct-current load control switch are connected to a storage battery set and a local direct-current load; an alternating-current load control switch and a grid-connected controller are connected to an output end of the converter; a local alternating-current load is connected to an output end of the alternating-current load control switch; various output ends are connected to a conversion module; a voltage and current sampling and converting module is connected to a signal modulation circuit; a DSP (Digital Signal Processor) is connected to an output end of the signal modulation circuit; and various control ends are connected to a PWM (Pulse Width Modulation) interface. A control method of the small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system comprises the steps of preparing for control parameters and operating a sub-program for controlling output direct-current of a photovoltaic battery. The small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system disclosed by the utility model has the advantages of being good in reliability, convenient for installation, operation and maintenance, high in stability, strong in applicability and high in light usage effectiveness.