Testing apparatus for measuring photovoltaic power generation capacity

The utility model discloses a testing apparatus for measuring the photovoltaic power generation capacity. A photovoltaic module string (2) is arranged on an adjustable photovoltaic bracket (1), wherein a module string inverter (3) is connected with the photovoltaic module string (2); a temperature sensor (4), a wind speed and wind direction sensor (5), a dip angle pyranometer (6) and a horizontal pyranometer (7) are connected with a signal collector (8); a communication module (9) is connected with the signal collector (8) and the module string inverter (3) through communication lines; and the communication module (9) and a GPS module (11) are connected with a monitoring computer (10). The testing apparatus disclosed by the utility model is capable of measuring the solar radiation and the environment temperature of a photovoltaic power station, and the generating capacity and the temperature of a corresponding photovoltaic module or module string; and the field measurement of the generating capacity of a grid-connected photovoltaic power generation system is achieved.