An aspect to carefully analyze in such applications is the thermal factor. PV power optimizer designs represent a challenging task since they operate in continuously changing operating conditions which strongly influence electronic component properties and thus the performance of complete converters. It is characterized by its circuital simplicity, few devices and high efficiency values - necessary features for a Distributed Maximum Power Point Tracking (DMPPT) converter. A promising one is the boost topology with its different versions. Commercially available converters are characterized by different DC-DC topologies. Photovoltaic (PV) power optimizers are introduced in PV systems to improve their energetic productivity in presence of mismatching phenomena and not uniform operating conditions. Portici Research Center, (NA), Piazzale E. Marta 3, 50139, Firenze, Italy +393jĢ)ĞNEA Italian National agency for new technologies, Energy and sustainable economic development, Marcantonio Catelani1^, Lorenzo Ciani1^, Giorgio Graditi2), Giovanna Adinolfi2)ġ)ĝepartment of Information Engineering, University of Florence, via S. MEASUREMENT AND COMPARISON OF RELIABILITY PERFORMANCE OF PHOTOVOLTAIC POWER OPTIMIZERS FOR ENERGY PRODUCTION
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