Performance assessment of a thin film photovoltaic system under actual Mediterranean climate conditions in the island of Crete

Savvakis, Nikolaos; Tsoutsos, Theocharis

doi:10.1016/j.energy.2015.06.098

Cited by 34 publications

(13 citation statements)

References 47 publications

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“…This justifies a significant decrease in energy output at higher temperatures even though I SC increases nominally [14]. Furthermore, it has been verified experimentally that a rise in PV module temperature leads to a decrease in maximum output power (P m ) [3]. From the data in Fig.…”

Section: A Thermal Performancementioning

confidence: 57%

“…It depends on several factors such as the local climatic conditions (solar irradiation, ambient temperature, wind velocity, etc. ), the thermal properties of materials used in the PV module encapsulation, the type of PV cells and the PV system configuration [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, the warmest months are July and August when the monthly average temperature value (during daylight hours) is equal to 27.6 o C and 27.3 o C respectively. The monthly average daily solar irradiation on an horizontal surface varied from 1.9 kWh/m 2 /d in December to 7.35 kWh/m 2 /d in June, when the average monthly clearness index varied from 0.4 in January to 0.65 in July and August[3]. These data were collected during outdoor tests.…”

mentioning

confidence: 99%

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Phase Change Materials in Photovoltaics: The Assessment of System Performance in the Present Mediterranean Climate Conditions

Savvakis¹,

Tsoutsos²

2016

Engineering and Industry

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The operating temperature of photovoltaics is amongst the most important parameters affecting their energy output, efficiency and life cycle. This paper is focused on the design, development and evaluation of a modified photovoltaic system, combining a photovoltaic module coupled with a phase change material. The performance of the proposed system has been assessed in the present Mediterranean climate conditions. Moreover, the life cycle assessment has been conducted to estimate its environmental burden. The obtained results provide important findings on the benefits of the proposed system and complement the existing gap in the literature in terms of the real field experience of this configuration's operation.

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Section: A Thermal Performancementioning

confidence: 57%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Phase Change Materials in Photovoltaics: The Assessment of System Performance in the Present Mediterranean Climate Conditions

Savvakis¹,

Tsoutsos²

2016

Engineering and Industry

Self Cite

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“…Statistical analysis was conducted to see the variation between models' estimated and measured results. The coefficient of determination (R 2 ) [48,49], root mean square error (RMSE), and mean absolute error (MAE) [40,[48][49][50] were used as statistical indicators as given in equation 14, respectively. The root mean square error (RMSE) and mean absolute error (MAE) are considered in°C.…”

Section: Discussionmentioning

confidence: 99%

An Improved Empirical Model for Estimation of Temperature Effect on Performance of Photovoltaic Modules

Jatoi

Samo

Jakhrani

2019

International Journal of Photoenergy

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It is prerequisite to predict the behaviour of photovoltaic (PV) modules in a particular geographical area where the system is to be installed for their better performance and increasing lifetime. For that, models are the easiest and acceptable tools to characterise the behaviour of PV modules in any location. The purpose of this study was to develop an empirical model to predict the influence of temperature on the performance of four different PV module technologies, namely, polycrystalline, monocrystalline, amorphous, and thin film in an outdoor environment. The model has been developed by fitting of one year experimental data using the least squares method. The estimated results of the developed model were validated with real-time data (winter and summer season) and a comparison of other existing model estimates using error analysis with 95% confidence interval. The proposed model estimations confirm that the monocrystalline module performs better in winter and polycrystalline in summer as compared to amorphous and thin film in the study area. During analysis, it is revealed that developed model results are more precise and appropriate among other existing model estimations. It is concluded that the proposed model estimations could be used for the prediction of PV module temperature in similar environmental conditions as that of the study area with more accuracy and confidence. It ultimately helps to develop cost-effective and efficient PV systems.

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“…These papers conducted an analysis of the PV performance based on one-year or longer measurements. In [4]- [11], performance analysis of different PV technologies based on one-year measurements is done, while in [12][13][14][15][16][17][18][19][20][21][22] analysis is conducted based on over one year of measurements. All these papers use long-term energy evaluation method for analysis described either in withdrawn IEC 61724:1998 standard or new IEC TS 61724-3:2016 standard, depending on the year of publication.…”

Section: Introductionmentioning

confidence: 99%

Performance and Empirical Analysis of Photovoltaic Modules Made of Different Technologies Using Capacity Evaluation Method

2019

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Performance of 5 photovoltaic (PV) modules made of different technologies (monocrystalline silicon, polycrystalline silicon, amorphous silicon, copper indium selenide and heterojunction with intrinsic layer) is evaluated according to the short-term capacity evaluation method described in IEC TS 61724-2 standard. Measurements for the analysis are obtained from the data acquisition system developed by the Laboratory for Renewable Energy Sources at the Faculty of Electrical Engineering, Computer Science and Information Technology (FERIT) Osijek which is described in the paper. Results of the performance analysis according to the IEC TS 61724-2 standard indicate that the copper indium selenide PV module Solar Frontier SF150-S has the greatest performance, therefore it is the most suitable PV module for the micro-location of Osijek, Croatia with European humid continental climate. The lowest performance of all studied PV modules is achieved by polycrystalline silicon PV module Bisol BMU 250. Empirical analysis of the relations of various electrical and meteorological parameters is performed and dependencies are evaluated. In the last section, mathematical models of PV module efficiency in relation to the module temperature are derived based on empirical analysis of measurements.

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Performance assessment of a thin film photovoltaic system under actual Mediterranean climate conditions in the island of Crete

Cited by 34 publications

References 47 publications

Phase Change Materials in Photovoltaics: The Assessment of System Performance in the Present Mediterranean Climate Conditions

Phase Change Materials in Photovoltaics: The Assessment of System Performance in the Present Mediterranean Climate Conditions

An Improved Empirical Model for Estimation of Temperature Effect on Performance of Photovoltaic Modules

Performance and Empirical Analysis of Photovoltaic Modules Made of Different Technologies Using Capacity Evaluation Method

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