Abstract:
The design and implementation of several measuring complexes intended for studying cascade solar photovoltaic converters are considered. The complexes consist of a solar simulator and an electronic unit with an active load. The high-aperture light source of the complex reproduces solar intensity over wide spectral range $\lambda$ = 350–1700 nm with an angle of divergence of $\pm$ 0.26$^\circ$, which are characteristic of solar radiation. The active load of the electronic unit allows taking both dark and illuminated I–V characteristics of test objects within about 1 ms during the quasi-stationary part of the irradiation pulse. The small size and low power consumption of the complexes hold out the hope that they will be widely used in designing, refining, and testing cascade efficient photovoltaic converters made of III–V materials and solar modules integrating these converters with concentrator modules.
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