MULTIFRACTAL ANALYSIS OF SOLAR RADIATION IN THE NORTHEASTERN REGION OF BRAZIL

被引：3

作者：

Sandro Dos Santos, Fabio ^{[1
]}

Do Nascimento, Kerolly Kedma Felix ^{[2
]}

Jale, Jader Silva ^{[1
]}

Xavier Junior, Silvi Fernando Alves

Ferreira, Tiago A. E. ^{[1
]}

机构：

[1] Univ Fed Rural Pernambuco, Dept Stat & Informat, Rua Dom Manoelde Medeiros s-n, BR-52171900 Recife, Pe, Brazil

[2] Federal Univ Pernambuco, Teacher Training Ctr, Av Marielle Franco,s-n,Km 59, BR-55014900 Nova, Pe, Brazil

来源：

FRACTALS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY | 2023年 / 31卷 / 03期

关键词：

Multifractal; Solar Energy; Solar Radiation; Persistence; Complexity; PHOTOVOLTAIC ENERGY;

D O I：

10.1142/S0218348X23500263

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this work, we used hourly data of high frequency of solar radiation from the entire Northeast region of Brazil. We used the Multifractal Detrended Fluctuation Analysis (MFDFA) method to analyze the characteristics of the solar radiation series in 137 meteorological stations from 2010 to 2022. For all analyzed series, the parameter alpha(0) > 0.5 characterizes persistent series. The values of r > 1 reveal asymmetry to the right, indicating that large fluctuations contributed to the multifractality process. The states of Maranhao and Bahia presented the highest values of spectrum width W, indicating greater complexity. We found that long-range correlations are the leading cause of multifractality observed in the dynamics of the series of solar radiation anomalies.

引用

页数：11

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