STOCHASTIC MODELING OF DAILY GLOBAL SOLAR-RADIATION MEASURED IN MARRAKESH, MOROCCO

被引：30

作者：

ZEROUAL, A ^{[1
]}

ANKRIM, M ^{[1
]}

WILKINSON, AJ ^{[1
]}

机构：

[1] QUEENS UNIV BELFAST,DEPT ELECT & ELECTR ENGN,BELFAST BT7 1NN,ANTRIM,NORTH IRELAND

来源：

RENEWABLE ENERGY | 1995年 / 6卷 / 07期

关键词：

D O I：

10.1016/0960-1481(94)00093-L

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Two stochastic models are presented of the daily global solar radiation obtained from three years of data measured on a horizontal surface in Marrakesh, Morocco (latitude 31 degrees 37'N, longitude 08 degrees 02'W, elevation 463 m). The development of these models is based on the removal of the annual periodicity and seasonal variation of solar radiation using two types of normalisation. The first model is developed using a classical decomposition of the daily radiation as the sum of two components: a trend component and a stochastic component. This model is most useful for long simulated sequences. The second model is developed using a non-dimensional variable, the clearness index, which is modelled as a stochastic process after a preliminary transformation leading to a stationary time series. Both models have satisfactorily passed validation tests for Forecasting and simulation of daily global solar radiation data.

引用

页码：787 / 793

页数：7

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