Power degradation and performance evaluation of PV modules after 31 years of work

Alshushan, Mohamed A. S.; Saleh, Ibrahim M.

doi:10.1109/pvsc.2013.6745088

Cited by 14 publications

(4 citation statements)

References 5 publications

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“…Where L is standing for latitude in degree; T is expressing hour angle in degree (Alshushan & Saleh, 2013;.…”

Section: Solar Irradiancementioning

confidence: 99%

Power Potentiality Analysis of Photovoltaic Module with variation of tilt angle in Bangladesh

Faysal,

Hossain,

Chowdhury

2022

IJRER

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This paper explores the power potentiality analysis of PV modules to monitor the output power. PV module power potentiality analysis is performed in the Bangladesh climate condition. The important factors focused in this paper are solar irradiance, cell temperature, ideality factor, clearness index, tilt angle and fill factor. P-V and I-V characteristics of PV module are observed by MATLAB simulation and the power performance on various tilt angles are investigated by the experimental set up. From the experiment, it is seen that with the change of angle the power has been changed significantly. For this reason data has been collected for a couple of days with set up of various angles of tilt. A perfect choice of tilt angle for the PV module can promote the performance to a great extent. Besides, the performance of module has been checked by MATLAB simulation taking consideration of performance factors like solar radiation, temperature, ideality factor.

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“…Where L is standing for latitude in degree; T is expressing hour angle in degree (Alshushan & Saleh, 2013;.…”

Section: Solar Irradiancementioning

confidence: 99%

Power Potentiality Analysis of Photovoltaic Module with variation of tilt angle in Bangladesh

Faysal,

Hossain,

Chowdhury

2022

IJRER

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“…Nonetheless, batteries are expensive (25-250e, 220e and 1500e per kWh for the battery types Lead-Acid, NaS and Li-Ion, respectively [12]) and have a short lifetime (3 -9 years [13]) compared to the warranty lifetimes of PV cells (PV cell manufacturers guarantee a 80% system performance warranty for around 20 years [14]). Therefore, battery replacements significantly contribute to the system lifetime cost [13].…”

Section: Appendix B Justification For the Used Battery Capacitymentioning

confidence: 99%

PV Cell Angle Optimization for Energy Generation-Consumption Matching in a Solar Powered Cellular Network

Benda

Sun

Chu

et al. 2018

IEEE Trans. on Green Commun. Netw.

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Abstract-An inherent problem of solar-energy-powered-smallcell base stations (SBSs) is that the energy generation of the photovoltaic (PV) cell does not match the energy consumption of the SBS in time. In this paper, we propose to optimize the PV cell orientation angle to achieve a good match between the energy generation and consumption profiles on a daily time scale. The optimization is formulated as an integer linear programming problem. We also derive an expression for the correlation between the energy generation and consumption profiles to evaluate their general interaction independent of the exact PV cell or SBS deployment setup. The numerical evaluation of the proposed angle optimization in a business area in London in summer/winter shows that the optimal PV cell orientation in summer contradicts the conventional assumption of south facing being optimal in the northern hemisphere. Instead, a southwest orientation should be chosen in summer due to its ability to shift the energy generation peak towards the energy consumption peak in the afternoon at a SBS in central London. This is in accordance with the prediction given by our derived correlation between the solar energy generation and consumption profiles.

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“…12) Polverini et al 15) reported that 70 multicrystalline silicon PV modules have survived for more than 20 years of outdoor exposure with an average 4.42% performance decay, installed in Ispra, Northern Italy. Alshushan and Saleh 16) reported that after 30 years, the average peak power degradation of crystalline silicon PV modules installed in Libya was found to be 13.86% of the initial value. Ndiaye et al 17) reported that after a 1-4-year operation of crystalline silicon PV modules in the tropical climate of Dakar, Senegal, the highest loss in the maximum power output was in the range from 0.22 to 2.96%=year, with no degradation of open circuit voltage.…”

Section: )mentioning

confidence: 99%

Performance analysis of field-exposed multicrystalline silicon photovoltaic modules over 30 years

Zhang

Han

Huang

et al. 2018

Jpn. J. Appl. Phys.

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In this paper, we present the energy performance and degradation of multicrystalline silicon photovoltaic (PV) modules after a 30-year operation under hot and humid climatic conditions. A comprehensive analysis was conducted by visual inspection, electrical performance evaluation, and system final yield evaluation. Visual inspection revealed the yellowing and delamination of ethylene vinyl acetate (EVA), and cracks in the backsheet were found to be the most frequent defects. It is possible to perform a comparison between final and initial parameters. The average performance degradation over 30 years from 1986 to 2016 is 6.51%. The annual average degradation has been found to be only 0.22%/year. System output power and performance ratio (PR) were also analyzed, giving an annual PR of 69.72%. These results indicate that the actual lifetime of PV modules is significantly longer than the warranty periods of 25 years, and still with good performance and reliability.

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Power degradation and performance evaluation of PV modules after 31 years of work

Cited by 14 publications

References 5 publications

Power Potentiality Analysis of Photovoltaic Module with variation of tilt angle in Bangladesh

Power Potentiality Analysis of Photovoltaic Module with variation of tilt angle in Bangladesh

PV Cell Angle Optimization for Energy Generation-Consumption Matching in a Solar Powered Cellular Network

Performance analysis of field-exposed multicrystalline silicon photovoltaic modules over 30 years

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