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Universidad Politécnica de Madrid (UPM) 2019

Desarrollo de soluciones innovadoras para el aseguramiento de la calidad y mitigación de riesgos en módulos fotovoltaicos

Pérez Abreu, Leonardo Enrique

Titre : Desarrollo de soluciones innovadoras para el aseguramiento de la calidad y mitigación de riesgos en módulos fotovoltaicos

Auteur : Pérez Abreu, Leonardo Enrique

Université de soutenance : Universidad Politécnica de Madrid (UPM)

Grade : Tesis Doctoral 2019

Résumé partiel
In a utility-scale photovoltaic (PV) project, the main investment is associated with the supply of photovoltaic modules. Hence the importance of rigorous and effective quality controls on them that contribute to the minimization of the technological risks associated with this component, which has a critical importance in the profitability of the project. This thesis focuses on quality controls of PV modules in utility-scale PV projects. For this, the following points have been developed : - Design and implementation of a global quality control program of PV modules for utility-scale PV projects. The program is presented and critically analysed. It covers from the previous phase of the manufacture of modules, where the manufacturer is selected, going through the inspections and tests during manufacturing process until the operation phase of the modules. The activities that should be carried out to ensure the quality of the PV modules are described in each phase are presented. This program includes an STC control procedure leading to very low uncertainties. A key aspect of the proposed procedure is the use of a set of PV reference modules, which are previously calibrated in the same independent laboratory, thus ensuring homogeneity on their calibration. Then, they are distributed among the PV module manufacturer and the further control laboratories (at the origin and on-site). This way, the cross-calibration uncertainty is strongly minimized. - Design, development and implementation of three mobile laboratories “PV Mobile Labs”. These laboratories have been designed to carry out the on-site quality control tests of photovoltaic modules according to IEC standards and in-house procedures. These tests are : visual inspections, electrical insulation, maximum power determination at standard test conditions (STC), performance at low irradiance, electroluminescence tests and indoor infrared thermography. The design of the mobile laboratories ensures the reliability of the results as if conducted in a conventional laboratory. The implementation of these mobile laboratories represents a before and after regarding quality control of PV modules worldwide. - In-deep analysis of the data obtained upon the implementation of a specific procedure to control the STC power in PV modules. This procedure was implemented on a supply of approximately 700,000 multicrystalline p-type silicon BSF technology PV modules made by a worldwide known, where the quality of these measurements was evaluated through a comparative contrast study in an independent laboratory on a sample of 4,000 modules.

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Page publiée le 17 février 2021