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首页> 外文会议>European Photovoltaic Solar Energy Conference >A NEW TOOL FOR THE MOTHERPV METHOD: MODELLING OF THE IRRADIANCE COEFFICIENT OF PHOTOVOLTAIC MODULES
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A NEW TOOL FOR THE MOTHERPV METHOD: MODELLING OF THE IRRADIANCE COEFFICIENT OF PHOTOVOLTAIC MODULES

机译：MotherPV方法的新工具：光伏模块的辐照度系数建模

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摘要

INES/CEA has developed an accurate method, the MotherPV method, for the prediction of the performance of modules for any well known climate. The MotherPV method uses a short campaign of measurements in outdoor conditions to determine 2 module coefficients. The irradiance coefficient at 25°C expresses the non proportionality of the power of a module as a function of its short circuit current. The irradiance coefficient value at Standard Test Conditions is 1 and is different from 1 at other irradiance levels (the temperature coefficient, depending on the irradiance level, expresses the linearity of the power as a function of the module temperature, at a given irradiance level). In the literature, several models exist to express the irradiance coefficient as a function of the irradiance. The present work compares the accuracy of the different existing models and of a new INES/CEA model, for six module technologies characterised at INES/CEA with the MotherPV method. For crystalline silicon modules, existing models give an excellent representation of the irradiance coefficient. The new model gives the best accuracy for all the modules (better than 1% at a 95% confidence level), especially for thin film modules. This new model can be used in the MotherPV method or in any existing method to predict or monitor very accurately the energy production of photovoltaic modules and systems.
机译：INES / CEA已经开发了一种精确的方法，用于预测模块的模块的性能，用于任何众所周知的气候。 MotherPV方法使用在室外条件下的短暂的测量运动来确定2个模块系数。在25°C时的辐照度系数表示模块的功率的非比例性，作为其短路电流的函数。标准测试条件下的辐照度系数值是1，并且在其他辐照度水平（温度系数的情况下不同于1，根据辐照度水平，在给定的辐照度水平时表达电力的线性度。 。在文献中，存在几种模型以表达作为辐照度的辐照系数。目前的工作比较了不同现有模型和新的INES / CEA模型的准确性，用于六个模块技术，其特征在于INES / CEA的HILMPV方法。对于晶体硅模块，现有模型具有辐照度系数的优异表示。新模型为所有模块提供最佳精度（优于95％置信水平的1％），尤其是薄膜模块。该新型号可用于MotherPV方法或在任何现有的方法中以非常准确地预测或监测光伏模块和系统的能量产生。

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