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Développement de méthodes d'évaluation de l'état de charge et de l'état de santé des batteries utilisées dans les systèmes photovoltaïques.

Abstract : The energy-storage is of major importance in stand alone photovoltaic (PV) systems, to adaptthe energy need to its furniture. For that, the lead-acid battery (LAB) is the most often usedtechnology because of its low investment cost, robustness, and maturity. However, its low service lifecompared with that of the other components of PV systems, and consequently its high life-cycle cost,makes the LAB a critical point of these systems.The evaluation of the state-of-charge (SOC) and state-of-health (SOH) of LABs appears then asa necessary step to increase their lifespan with an improved management, and finally to reduce theenergy-storage cost. Unfortunately, this evaluation is an ambitious task with regard to the complexityof LABs.Three approaches are presented and discussed in this manuscript. The first one is based on thedevelopment of a novel ampere-hour algorithm. The second one consists in the measurement ofimpedance parameters, especially at high frequencies. Finally, the third one consists in the study of aphenomenon proper to LABs and known in the literature as the “coup de fouet”.
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Submitted on : Monday, March 27, 2017 - 11:24:47 AM
Last modification on : Friday, December 10, 2021 - 3:55:19 AM
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  • HAL Id : tel-01496145, version 1

Citation

Arnaud Delaille. Développement de méthodes d'évaluation de l'état de charge et de l'état de santé des batteries utilisées dans les systèmes photovoltaïques.. Autre. Université Paris VI, 2006. Français. ⟨NNT : 2006PAO66251⟩. ⟨tel-01496145⟩

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