Termium.

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Note added at 45 mins (2010-08-03 20:28:58 GMT)
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batteries solaires / DE cellules solaires ...

techniquement parlant, an "array" est un ensemble de modules photovoltaïques combinés en un panneau.

"A photovoltaic array is a linked collection of photovoltaic modules, which are in turn made of multiple interconnected solar cells. By their modularity, they are able to be configured to supply most loads.[1]"
http://en.wikipedia.org/wiki/Photovoltaic_array

et dans le document, il est question d'une régulation "au niveau du module", donc de la cellule constituante des "arrays" (panneaux).

"The Tigo Energy Maximizer Solution implements Maximum Power Point Control (MPPC) at the module level, thus eliminating the impact of underperforming panels on the stronger panels. Negative effects of module mismatch is a major problem found in solar installations worldwide. Even “perfectly” architected systems are subject to: soiling, clouds, uneven thermals, co-planarity, and long-term material degradation. Many arrays are also subject to partial shading. Tigo Energy can deliver up to 20% more energy from these arrays. Tigo Energy uses a patented impedancematching technology, rather than a buck-boost circuit. This makes the Tigo Energy Maximizer Solution an industry best 99.5% efficient, which allows system owners to harvest the maximum potential energy out of their arrays. "
http://www.tigoenergy.com/brochures/overview_brochure.pdf

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Note added at 1 hr (2010-08-03 20:48:11 GMT)
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un "module", ce n'est pas un panneau, mais une cellule.