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首页> 外文期刊>Progress in photovoltaics >Analytical study and evaluation results of power optimizers for distributed power conditioning in photovoltaic arrays
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Analytical study and evaluation results of power optimizers for distributed power conditioning in photovoltaic arrays

机译：用于光伏阵列中分布式功率调节的功率优化器的分析研究和评估结果

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The use of modular or 'micro' maximum power point tracking (MPPT) converters at module level in series association, commercially known as "power optimizers", allows the individual adaptation of each panel to the load, solving part of the problems related to partial shadows and different tilt and/or orientation angles of the photovoltaic (PV) modules. This is particularly relevant in building integrated PV systems. This paper presents useful behavioural analytical studies of cascade MPPT converters and evaluation test results of a prototype developed under a Spanish national research project. On the one hand, this work focuses on the development of new useful expressions which can be used to identify the behaviour of individual MPPT converters applied to each module and connected in series, in a typical grid-connected PV system. On the other hand, a novel characterization method of MPPT converters is developed, and experimental results of the prototype are obtained: when individual partial shading is applied, and they are connected in a typical grid connected PV array.
机译：在模块级别串联使用模块化或“微型”最大功率点跟踪（MPPT）转换器（商业上称为“功率优化器”），可以使每个面板针对负载进行个别调整，从而解决了部分与部分负载相关的问题光伏（PV）模块的阴影和不同的倾斜和/或方向角。这在构建集成光伏系统中尤其重要。本文介绍了级联MPPT转换器的有用的行为分析研究，以及根据西班牙国家研究项目开发的原型的评估测试结果。一方面，这项工作专注于开发新的有用的表达式，这些表达式可用于识别在典型的并网光伏系统中应用于每个模块并串联的单个MPPT转换器的行为。另一方面，开发了一种新颖的MPPT转换器表征方法，并获得了原型的实验结果：当应用单独的局部阴影并将它们连接在典型的并网PV阵列中时。

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