Abstract：The classification standard of solar simulator performance grade is introduced. The influence of three key parameters of the steady-state solar simulator, namely, spectral matching degree, irradiation non-uniformity and irradiation instability, on the short-circuit current test results of photovoltaic cells is studied. The experimental results show that the spectral mismatch correction of solar simulator can reduce the deviation between the test value and the calibration value of short-circuit current; adjust the average irradiance in the effective test plane of the tested battery to meet the requirements of the standard value, which can effectively reduce the impact of the irradiation non-uniformity; controlling the irradiation instability of the simulator can reduce the repeatability test error of short-circuit current.
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［14］IEC 60904-3—2016 Photovoltaic devices-Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data ［S］.
［15］IEC 60904-9—2020 Photovoltaic devices-Part 9: Classification of solar simulator characteristics ［S］.
［16］IEC 60904-7—2019 Photovoltaic devices-Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices ［S］.
2022, Vol. 43 
