Long-term performance analysis and power prediction of PV technology in the State of Qatar

Farid Touati, Noor Alam Chowdhury, Kamel Benhmed, Antonio J.R. San Pedro Gonzales, Mohammed A. Al-Hitmi, Mohieddine Benammar, Adel Gastli and Lazhar Ben-Brahim

Renewable Energy, 2017, vol. 113, issue C, 952-965

Abstract: “Solar photovoltaic (PV) energy in GCC”- the term seems convincing to many solar PV industries due to high solar exposure in GCC region. However, long-term effects such as dust accumulation and seasonal variation are major drawbacks for solar PV energy. This research aims to investigate PV performance for two years in the harsh environment of Qatar. For data collection, a wireless system has been developed to record critical parameters such as solar irradiance, relative humidity, ambient temperature, PV module temperature, dust, wind speed, and output PV power. Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. Besides, within one-month, a cloudy condition in Winter causes 20% drop in average output power. Therefore, a strategic plan is needed to build and manage efficiently a PV solar plant in harsh environments such as of Qatar. Energy management requires prediction of energy yield. To this end, using machine-learning, a mathematical model has been established which can predict the output power from PV panels under different environmental conditions.

Keywords: Photovoltaic energy; Environmental parameters; Dust accumulation; Machine-learning; Power prediction (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:113:y:2017:i:c:p:952-965

DOI: 10.1016/j.renene.2017.06.078

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