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Prediction of direct and global solar irradiance using broadband models: Validation of REST model Shah ALam

机译:使用宽带模型预测直接和全球太阳辐照度:REST模型的验证Shah ALam

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In the present paper, three parametric models Yang, CPCR2 and REST (without considering transmittance due to nitrogen dioxide) have been analyzed for four Indian stations, namely New Delhi, Mumbai, Pune and Jaipur over the period of 1995-2002, under cloudless conditions. These stations have different climatic conditions. The beam radiation at normal incidence as well as global solar radiation at horizontal surface.was computed for these locations during all seasons except monsoon (June to September). The computed values of beam and global irradiance was compared with reference values in case of beam and measured values in case of global solar radiation on the basis of percentage root mean square error (RMSE) and mean bias error (MBE). The maximum RMSE is 6.5% in REST model, as compare to 15% in Yang and 11 % in CPCR2 model for predicting direct normal irradiance. The predicted global radiation at horizontal is showing maximum RMSE 7% in REST model, 13.4% in Yang and 25.9% in CPCR2 model. This shows that REST model has good agreement with measured data for these Indian stations as compare to other two models.
机译:在本文中,在无云条件下,对四个印度站(即新德里,孟买,浦那和斋浦尔)在1995-2002年期间分析了三个参数模型Yang,CPCR2和REST(不考虑由于二氧化氮引起的透射率) 。这些气象站的气候条件不同。在除季风(六月至九月)以外的所有季节中,针对这些位置计算了法向入射的束辐射以及水平表面的整体太阳辐射。根据百分比均方根误差(RMSE)和平均偏差误差(MBE),将光束和整体辐照度的计算值与参考光束的参考值进行比较,将整体太阳辐射的测量值与参考值进行比较。 REST模型的最大RMSE为6.5%,相比之下,Yang的为15%,CPCR2模型的为11%,用于预测直接正常辐照度。在REST模型中,水平方向的预测全球辐射显示最大RMSE 7%,在Yang中为13.4%,在CPCR2模型中为25.9%。这表明与其他两个模型相比,REST模型与这些印度站的实测数据具有很好的一致性。

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