Study of combined photovoltaic cell/thermoelectric element/solar collector in medium concentrated light

The performance of the hybrid structures PV/TEG/STC which consist of photovoltaic cells PV, thermoelectric elements TEG and solar collector STC is studied in this paper function of different levels of illumination from 30 suns to 130 suns (1 sun = 1000 W/m2). The concentrated light is obtained using a solar simulator with four parabolic xenon lamps and an optical mixer to ensure the quasi homogenous illumination of the hybrid system. The important parameters of the photovoltaic cells and of the thermoelectric generators are determined using the current-voltage characteristics. The measurements and control are realized using the NI-cRIO platform and the software is developed in LabVIEW.

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