Concentrated Photovoltaic Thesis

The system is optically designed using ray-tracing simulations carried out with the calculation program Zemax-EE by Radiant Zemax.

The working conditions of the photocell (solar concentration, incident power density, focused light distribution, image dimension, etc.) are estimated by simulating the concentered light distribution in the image plane.

Outdoor measurements monitor the effects of the exposure of two multijunction photovoltaic cells to focused sunlight.

The main result is the continuous acquisition of the (voltage-current) curve for the cells in different conditions of solar concentration and temperature of exercise to assess their behavior.

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The research investigates electrical power extracted, efficiency, temperatures reached, and possible damages of the photovoltaic cell.

To exploit the recent improvements in the development of photovoltaic (PV) cells and new materials for solar applications, it is important to test them both in laboratory and with direct exposure to the sun.

The device is equipped with a solar tracking system, which ensures the continuity of the measurement, and with accessories that allow to stabilize the temperature of the cell under test.

It is extremely useful for their practical application to experiment with solar photocells exposed to concentrated sunlight, analyzing their behavior.