SYNERGISTIC EFFICIENCY GAIN ANALYSES FOR THE PHOTOVOLTAIC COMMUNITY: AN EASY TO USE SEGA SIMULATION TOOL FOR SILICON SOLAR CELLS

机译：光伏社区的协同效率增益分析：易于使用硅太阳能电池的SEGA仿真工具

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A synergistic efficiency gain analysis (SEGA) determines the efficiency gain to be expected when idealizing a certain cell property. Moreover, it provides valuable information about synergistic effects due to the coupling of loss mechanisms, e.g. various recombination losses. Here we introduce an easy to use simulation tool to the PV community for performing a SEGA for PERC, PERC+, PERT, and IBC silicon solar cells. The simulation tool comes with a graphical user interface. This SEGA-GUI creates the required set of input files after entering all experimental parameters, e. g. the sheet resistance and recombination current of an emitter. The SEGA-GUI then performs the simulations by running Quokka 2 and analyzes the results. Programming knowledge is not required. The SEGA-GUI is designed to help the user in finding options for efficiency improvements. In this work we analyze our 22.1%-efficient PERC+ solar cell. The SEGA-GUI can be downloaded for free from the ISFH website.

机译：协同效率增益分析（SEGA）确定了在理想化某种细胞性质时预期的效率增益。此外，由于损耗机制的耦合，它提供了有关协同效应的有价值的信息，例如，各种重组损失。在这里，我们介绍了一种易于使用的仿真工具，用于PV社区，用于为PERC，PERC +，PERT和IBC硅太阳能电池执行SEGA。仿真工具附带了图形用户界面。在输入所有实验参数之前，该SEGA-GUI在输入所有实验参数后创建所需的输入文件集。 G。发射器的薄层电阻和复合电流。然后通过运行Quokka 2来进行仿真并分析结果。不需要编程知识。 SEGA-GUI旨在帮助用户找到效率改进的选项。在这项工作中，我们分析了我们的22.1％的效率+太阳能电池。可以免费下载Sega-GUI。

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《European Photovoltaic Solar Energy Conference and Exhibition》|2019年|715p|共5页
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C. N. Kruse; K. Bothe; B. Lim; T. Dullweber; R. Brendel;
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7. : "This paper deals with the functionality of the flaked stone assemblages from several Neolithic sites of the NE of the Iberian Peninsula. The chronological framework ranges from the mid-6th to the mid-4th millennium cal. BCE, which corresponds to the Early and Middle Neolithic. This long period ranges from the arrival of the first farming communities in the Iberian Peninsula, around 5600-5500 cal. BCE, to 3600-3500 cal. BCE, two millennia later, when Neolithic communities had stably occupied most of the available territory, from the mountainous areas of the Pyrenees to the coastal areas of the Mediterranean.In this context, the NE of the Iberian Peninsula is one of the areas where a major number of use-wear analyses have been carried out, especially for what concerns the Neolithic period. This is mainly due to the interest shown by the directors of the excavations and by the Spanish use-wear specialists as well; both participated and cooperated in order to enlarge the number of contexts studied, making the NE of the Iberian Peninsula one of the areas of Europe with the largest number of ‘functional studies’. As a result, today we have a reliable picture of the type of lithic tools used by the first farming groups, how they were used, and which needs they were satisfying.The methodology employed for this type of analysis is today broadly shared by most use-wear specialists. A stereoscopic microscope is used together with a reflected-light microscope for the analysis of the archaeological specimens. Afterwards, the observed use-wear traces are compared with the traces from experimental tools. This study primarily made use of the tools preserved at the ‘Traceoteque’ of the Institución Milà y Fontanals of the CSIC of Barcelona.This paper presents the results obtained for the different types of analysed sites and the relative lithic assemblages. In this way, tools from different contexts are compared: open-air sites, caves and rock-shelters, pit-sites, burials, and mining sites. Such a diversity of contexts allowed for the exploration of the existence of recurrences and differences in the functionality of the lithic tools from one site to another. The results obtained have also provided information on some aspects related to the economic processes carried out at the different sites, caves, rock-shelters and open-air contexts. It has been possible to gain fresh data on the types of tasks carried out and their relative importance for each site, their relation with the geographical and environmental context and the natural resources available there. In addition, analysing tools recovered from burials – mainly individual inhumations – provided information on the relationships between the buried individuals and the working tools, in particular exploring the relationships between sex and age patterns and the types of tools deposited as goods.In conclusion, use-wear analysis allowed for the exploration of a variety of issues; from technical aspects related to the production and management of the lithic resources to social aspects related to the subsistence activities and the individuals that carried them out." [O] . Gibaja Bao, Juan Francisco, Mazzucco, Niccolo 2015

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SYNERGISTIC EFFICIENCY GAIN ANALYSES FOR THE PHOTOVOLTAIC COMMUNITY: AN EASY TO USE SEGA SIMULATION TOOL FOR SILICON SOLAR CELLS

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