a combiner box refers to a user who can connect a certain number of photovoltaic cells with the same specifications in series to form a series of photovoltaic cells. then, several photovoltaic series are connected in parallel to the photovoltaic combiner box. after converging in the photovoltaic combiner box, the controller, dc distribution cabinet, photovoltaic inverter, and ac distribution cabinet are used together to form a complete photovoltaic power generation system, achieving grid connection with the city power supply.
forming a series of photovoltaic arrays
parallel connection to photovoltaic combiner box
used together to form a complete photovoltaic power generation system
realizing grid connection with mains power