Готові списки джерел за темами / Photovoltaic thermal cell

Добірка наукової літератури з теми "Photovoltaic thermal cell"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Photovoltaic thermal cell"

1

Sopian, Kamaruzzaman, Ali H. A. Alwaeli, and Hussein A. Kazem. "Advanced photovoltaic thermal collectors." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 234, no. 2 (August 13, 2019): 206–13. http://dx.doi.org/10.1177/0954408919869541.

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Анотація:
The solar irradiance received by the solar cell is partially lost as heat, which carries negative effect on its voltage and in turn, its generated power. This trapped heat within the photovoltaic module is considered waste energy. Hence, techniques to extract this heat to utilize it for thermal loads, such as water heating or drying, are presented throughout the literature. Most prominent technique is the hybrid photovoltaic thermal collector. This device will serve in cooling the solar cell and hence improving its efficiency during operation. Meanwhile, it will absorb the heat and transfer it into a working fluid. The fluid could be utilized directly or indirectly for thermal loads in moderate and low temperature range applications. The type of working fluid highly affects the photovoltaic thermal performance and its physical design. This paper tracks the development of working fluids and analyzes highly efficient photovoltaic thermals from the literature. Moreover, a lengthy discussion on state-of-the-art photovoltaic thermal systems is presented and recommendations for future works are listed as well.
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2

Liu, Jing. "Research on fuel cell based on photovoltaic technology." Thermal Science 24, no. 5 Part B (2020): 3423–30. http://dx.doi.org/10.2298/tsci191226134l.

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Анотація:
To investigate the hybrid thermal energy storage in photovoltaic fuel cells, a hybrid thermal energy storage control system for photovoltaic fuel cells is explored model construction and simulation. The correlations between the system components and the external factors are analyzed. The results show a positive correlation of the state of charges between the storage battery and the hydrogen storage tank at 0-15 hours, while no correlation exists between them at 15-35 hours. Meanwhile, the sunshine intensity and the photovoltaic output share a positive correlation. In summary, the hybrid thermal energy storage system is critical for photovoltaic fuel cells. The charging and discharging of the battery depends on the photovoltaic intensity. The constructed grouping management model for storage battery is outstanding and satisfies the operational requirements of photovoltaic fuel cells.
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3

Xu, Zhi Long, Chao Li, Lian Fen Liu, and Zhong Ming Huang. "Key Technology on the Solar Photovoltaic & Thermal System." Advanced Materials Research 347-353 (October 2011): 901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.901.

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Анотація:
Using the concentrating and tracking photovoltaics generation technology, the area of photovoltaic cells is only one-fifth of the traditional one if both generate same power output, and therefore the cost of photovoltaic power generation is greatly reduced. The concentrating solar cells produced with the special construction and lamination technique have the functions of heat exchanging and temperature controlling, which prevent the solar panel from over-temperature caused by the concentrating light and the crystal silicon cell pieces will always work under 60°C, and hence the photoelectric conversion efficiency increase. The rest solar energy that cannot be converted into electrical energy by the concentrating solar cells is absorbed by water flowing through it. The flat-plate collector reheat the water flowed from the concentrating solar cells’ heat exchanger and the additional product, hot water, whose temperature is over 80°C, is got. Hence, the total efficiency of photovoltaic & thermal conversion is more than 55%. The solar photovoltaic & thermal system can high efficiently, but low costly and practicably, utilize the solar photovoltaic & thermal and practical.
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4

Fanney, A. Hunter, Brian P. Dougherty, and Mark W. Davis. "Measured Performance of Building Integrated Photovoltaic Panels*." Journal of Solar Energy Engineering 123, no. 3 (March 1, 2001): 187–93. http://dx.doi.org/10.1115/1.1385824.

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Анотація:
The photovoltaic industry is experiencing rapid growth. Industry analysts project that photovoltaic sales will increase from their current $1.5 billion level to over $27 billion by 2020, representing an average growth rate of 25%. (Cook et. al. 2000)[1]. To date, the vast majority of sales have been for navigational signals, call boxes, telecommunication centers, consumer products, off-grid electrification projects, and small grid-interactive residential rooftop applications. Building integrated photovoltaics, the integration of photovoltaic cells into one or more of the exterior surfaces of the building envelope, represents a small but growing photovoltaic application. In order for building owners, designers, and architects to make informed economic decisions regarding the use of building integrated photovoltaics, accurate predictive tools and performance data are needed. A building integrated photovoltaic test bed has been constructed at the National Institute of Standards and Technology to provide the performance data needed for model validation. The facility incorporates four identical pairs of building integrated photovoltaic panels constructed using single-crystalline, polycrystalline, silicon film, and amorphous silicon photovoltaic cells. One panel of each identical pair is installed with thermal insulation attached to its rear surface. The second paired panel is installed without thermal insulation. This experimental configuration yields results that quantify the effect of elevated cell temperature on the panels’ performance for different cell technologies. This paper presents the first set of experimental results from this facility. Comparisons are made between the electrical performance of the insulated and non-insulated panels for each of the four cell technologies. The monthly and overall conversion efficiencies for each cell technology are presented and the seasonal performance variations discussed. Daily efficiencies are presented for a selected month. Finally, plots of the power output and panel temperatures are presented and discussed for the single-crystalline and amorphous silicon panels.
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5

Pan, Jing. "Research on fuel cell energy storage control and power generation system." Thermal Science 24, no. 5 Part B (2020): 3167–76. http://dx.doi.org/10.2298/tsci191113107p.

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Анотація:
In order to realize the continuous stability of photovoltaic power generation system and the controllability of thermal energy storage, a photovoltaic fuel cell combined power generation system consisting of photovoltaic cell array, proton exchange membrane fuel cell, alkaline electrolysis cell and super capacitor is proposed. The system, at the same time, establishes the mathematical model of its various components and the system cost model, designs the thermal energy distribution of the thermal energy storage management coordination system, and uses the high efficiency battery to meet the load requirements of the power system. In addition, the paper uses simulation technology as a research method to build a simulation model of hybrid fuel cell thermal energy storage control and power generation system, and analyzes the system?s thermal energy supply and demand balance. The simulation results confirm that the photovoltaic fuel cell hybrid power generation system has high economic performance, can meet the user?s power and thermal energy requirements, and realizes the requirement of completely independent power supply.
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6

Huang, Xiaoqin, and Fangming Yang. "Research on thermal energy control of photovoltaic fuel based on advanced energy storage management." Thermal Science 24, no. 5 Part B (2020): 3089–98. http://dx.doi.org/10.2298/tsci191030083h.

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Анотація:
This paper proposes a photovoltaic fuel cell power generation system to convert solar thermal energy into electrical energy after storage. The energy conversion method of the system mainly utilizes hydrogen storage to realize long-term storage of thermal energy, and realizes continuous and stable power supply through the co-operation between the micro-gas turbine and the proton exchange membrane fuel cell. Based on the model of each component, the simulation platform of photovoltaic fuel cell hybrid thermal energy storage control power generation system is built. Based on the design principle and design requirements of photovoltaic power generation system, the photovoltaic fuel cell hybrid power generation system studied in this paper has a simple capacity. Match the design and conduct thermal energy storage management research on the system according to the system operation requirements. The paper studies the management of hybrid fuel energy storage control system for photovoltaic fuel cells. The paper is based on advanced thermal energy storage management for photovoltaic prediction and load forecasting, and through the organic combination of these three layers of thermal energy storage management to complete the thermal energy storage management of the entire system. Finally, the real-time thermal energy storage management based on power tracking control is simulated and analyzed in MATLAB/Simulink simulation environment.
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7

Magdi, Joseph, Irene Samy, and Ehab Mina. "Improving the Performance of Organic Photovoltaic Panels by Integrating Heat Pipe for Cooling." International Journal of Heat and Technology 40, no. 6 (December 31, 2022): 1376–85. http://dx.doi.org/10.18280/ijht.400604.

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Анотація:
A new photovoltaic technology is manufactured from an organic material that easily degrades in nature. Unfortunately, organic photovoltaics suffer from low thermal stability and lower power conversion efficiency compared with silicon-based photovoltaics. Cooling is critical in this type of photovoltaic because of these factors. This research investigates a new method to cool this organic photovoltaic with a heat pipe to achieve a minimum operating temperature and maximum temperature uniformity, the heat pipe design is fixed, and the number of cells served by a single heat pipe is studied. For each case, the temperature distribution is plotted, and the maximum and the range in the temperature distribution are recorded, respectively, as a measure of the cell's performance. The temperature of the cell is evaluated numerically using COMSOL 5.6 Multiphysics™ software with and without the heat pipe. The electrical performance was estimated in both cases using GPVDM™ software. Consequently, the combined system of panel and cell reaches a maximum thermal stability at a minimum temperature of 33.4℃ instead of 52℃ without a heat pipe, which improves the electrical performance and the power conversion efficiency by 0.24%.
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8

Shin, Gilyong, Jei Gyeong Jeon, Ju Hyeon Kim, Ju Hwan Lee, Hyeong Jun Kim, Junho Lee, Kyung Mook Kang, and Tae June Kang. "Thermocells for Hybrid Photovoltaic/Thermal Systems." Molecules 25, no. 8 (April 21, 2020): 1928. http://dx.doi.org/10.3390/molecules25081928.

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Анотація:
The photovoltaic conversion efficiency of solar cells is highly temperature dependent and decreases with increasing temperature. Therefore, the thermal management of solar cells is crucial for the efficient utilization of solar energy. We fabricate a hybrid photovoltaic/thermocell (PV/T) module by integrating a thermocell directly into the back of a solar panel and explore the feasibility of the module for its practical implementation. The proposed PV/T hybrid not only performs the cooling of the solar cells but also produces an additional power output by converting the heat stored in the solar cell into useful electric energy through the thermocell. Under illumination with an air mass of 1.5 G, the conversion efficiency of the solar cell can improve from 13.2% to 15% by cooling the solar cell from 61 °C to 34 °C and simultaneously obtaining an additional power of 3.53 μW/cm2 from the thermocell. The advantages of the PV/T module presented in this work, such as the additional power generation from the thermocell as well as the simultaneous cooling of the solar cells and its convenient installation, can lead to the module’s importance in practical and large-scale deployment.
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9

Zhang, Hai Tao, Zi Long Wang, and Hua Zhang. "Thermal Analysis of Concentrated Photovoltaic System." Applied Mechanics and Materials 44-47 (December 2010): 2213–18. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.2213.

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Анотація:
Studying the thermal process of concentrating system could help us better understand how photovoltaic system works and seek ways to increase electricity production so as to reduce the cost of power generation. Energy transfer of concentrating photovoltaic system includes the process of light to electricity and the process of direct current to alternating current. This paper presents the factors that affect the energy transfer efficiency of the former one. And at last author points out that the key factor to increase the power production of photovoltaic system is controlling the temperatu- re of solar cell.
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10

Sarwar, Jawad, Muhammad Shad, Hassan Khan, Muhammad Tayyab, Qamar Abbas, Shahreen Afzal, Muhammad Moavia, and Aiman Aslam. "A novel configuration of a dual concentrated photovoltaic system: Thermal, optical, and electrical performance analysis." Thermal Science, no. 00 (2022): 209. http://dx.doi.org/10.2298/tsci220917209s.

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Анотація:
In this work, a validated finite element-based coupled optical, thermal, and electrical model is used to assess the performance of a dual concentrated photovoltaic system thermally regulated using a phase change material for the environmental conditions of Lahore, Pakistan. Thermal management of the system is achieved using a selected PCM; that has a melting temperature of 53-56?C, a thermal conductivity of 19 W/m K, and heat of fusion of 220 kJ/kg. Thermal regulation and power output of the system are analyzed for a clear day of six months of a year. It is found that the maximum temperature of the upper photovoltaic cell is ~80?C while for the bottom photovoltaic cell is ~82?C in July. The percentage power gain obtained after the addition of an upper concentrated photovoltaic cell is ~17.9 %. The maximum and minimum power of the system is found to be 0.079 kWh/day/m 2and 0.041 kWh/day/m2 in May and November respectively.
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Більше джерел

Дисертації з теми "Photovoltaic thermal cell"

1

Aldubyan, Mohammad Hasan. "Thermo-Economic Study of Hybrid Photovoltaic-Thermal (PVT) Solar Collectors Combined with Borehole Thermal Energy Storage Systems." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1493243575479443.

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2

Dupeyrat, Patrick. "Experimental development and simulation investigation of a photovoltaic-thermal hybrid solar collector." Thesis, Lyon, INSA, 2011. http://www.theses.fr/2011ISAL0049.

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Анотація:
L´intérêt grandissant pour les bâtiments à haute efficacité énergétique nécessite le développement de nouveaux types d´enveloppe active et multifonctionnelle pouvant couvrir une partie des besoins énergétiques du bâtiment. Les travaux présentés dans cette thèse concernent le développement de capteurs hybrides solaires photovoltaïques thermique pour la production simultanée d´eau chaude sanitaire et d´électricité au sein d´un unique capteur. L’objectif de cette thèse a été dans un premier temps d´analyser la faisabilité et la complexité du concept de capteur hybrides PV-T. Puis, à partir d’un modèle numérique développé spécifiquement pour appuyer la phase de conception du capteur PV-T les raisons expliquant la limitation des performances de tels capteurs ont été analysées, pour enfin proposer différentes solutions innovantes, tant au niveau des cellules solaires que des matériaux du modules PV et du design du capteur final afin d´en augmenter les performances. L´approche développée est par conséquent multi-échelle allant de la prise en compte des phénomènes physiques pris isolément, des propriétés locales des matériaux jusqu’à la mise en œuvre d’un composant et à l´analyse énergétique et exergétique de ses performances dans un environnement numérique dédié au bâtiment
In the context of greenhouse gas emissions and fossil and fissile resources depletion, solar energy is one of the most promising sources of power. The building sector is one of the biggest energy consumers after the transport and industrial sectors. Therefore, making use of a building’s envelope (façades and roofs) as solar collecting surfaces is a big challenge facing local building needs, specifically in regard to heat, electricity and cooling. However, available surfaces of a building with suitable orientation are always limited, and in many cases a conflict occurs between their use for either heat or electricity production. This is one of the reasons why the concept of a hybrid photovoltaic-thermal (PV-T) collector seems promising. PV-T collectors are multi-energy components that convert solar energy into both electricity and heat. In fact, PV-T collectors make possible the use of the large amount of solar radiation wasted in PV modules as usable heat in a conventional thermal system. Therefore, PV-T collectors represent in principle one of the most efficient ways to use solar energy (co-generation effect). However, such a concept still faces various barriers due to the multidisciplinary knowledge requirements (material, semi-conductors, thermal) and to the complexity of the multiple physical phenomena implied in such concepts.The objective of this PhD work is to carry out a study based on a multi-scale approach that combines both numerical and experimental investigations regarding the feasibility of the concept of hybrid solar collector. The performance of such components is estimated through an appropriate design analysis, and innovative solutions to design an efficient PV-T collector are presented. Based on improved processing methods and improved material properties, an efficient covered PV-T collector has been designed and tested. This collector was made of PV cells connected to the surface of an optimized flat heat exchanger by an improved lamination process and covered on the front side by a static air layer and AR-coated glass pane and on the back side by thermal insulation material. The results showed a significant improvement of both thermal and electrical efficiency in comparison to all previous works on PV-T concepts found in the literature. System simulations were carried out for a hot water system with the software TRNSYS in order to get a clearer statement on the performance of PV-T collectors. The results show that the integration of PV-T collectors can be more advantageous than standard solar components in regard to thermodynamic considerations (energy and exergy) and environmental considerations (CO2 and primary energy saving)
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3

Linde, Daniel. "Evaluation of a Flat-Plate Photovoltaic Thermal (PVT) Collector prototype." Thesis, Högskolan Dalarna, Energiteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:du-24061.

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Анотація:
This Master thesis, in collaboration with Morgonsol Väst AB, was completed as a part of the Solar Energy engineering program at Dalarna University. It analyses the electrical and thermal performance of a prototype PVT collector developed by Morgonsol Väst AB. By following the standards EN 12975 and EN ISO 9806 as guides, the thermal tests of the collector were completed at the facility in Borlänge. The electrical performance of the PVT collector was evaluated by comparing it to a reference PV panel fitted next to it. The result from the tests shows an improved electrical performance of the PVT collector caused by the cooling and a thermal performance described by the linear efficiency curve ηth=0.53-21.6(Tm-Ta/G). The experimental work in this thesis is an initial study of the prototype PVT collector that will supply Morgonsol Väst with important data for future development and research of the product.
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4

Schön, Gustav. "NUMERICAL MODELLING OF A NOVEL PVT COLLECTOR AT CELL RESOLUTION." Thesis, KTH, Energiteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-212731.

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Анотація:
Solar photovoltaic-thermal (PVT) modules produce heat and power via a heat exchanger attached to the rear of the PV cells. The novel PVT collector in this study is previously untested and therefore its behaviour and thermo-electric performance due to fluid channel configuration and in various climate and operating conditions are unknown. Moreover, the working fluid flowing through the heat exchanger cause a temperature gradient across the module such that a cell near the inlet and a cell near the outlet may have significant temperature differences. PV cells are sensitive to temperature; however the most common way to simulate power output from a PVT is to use the average temperature and ignore the gradient. In this study, a single diode PV model is incorporated into a commercial thermal solver to co-simulate the thermal and electrical output of a novel PVT module design with cell level resolution. The PVT system is modelled in steady state under various wind speeds, inlet temperatures, ambient temperatures, flow rates, irradiation, convection coefficients from coolant and back of the module and two different fluid channel configurations. The results show that of the controllable variables, the inlet temperature has the highest influence of the total power output and that a parallel flow of the fluid channel configuration is preferable. The difference between the cell resolution and the module resolution simulations do not motivate the use of a higher resolution numerical simulation.
En kombinerad solcellspanel och solvärmefångare (PVT) producerar värme och elenergi på samma yta genom att en värmeväxlare upptar värmen från baksidan av solcellspanelen. Den PVT som berörs i denna studien är nyutvecklad och har aldrig tidigare testats, vilket medför att data för hur den beter sig samt dess termo-elektiska prestanda saknas för olika driftförhållanden samt flödeskonfigurationer. Vidare ger mediet som flödar genom värmeväxlaren upphov till en temperaturgradient, vilken kan innebära en påtaglig skillnad i temperatur mellan solcellerna i solcellspanelen vid mediets in- respektive utlopp. Trots solcellers temperaturkänslighet, så sker simulering i allmänhet med avseende på panelens medeltemperatur istället för att hänsyn tas till denna temperaturgradient. I den här studien implementeras en så kallad  ”single diode”-modell i en kommersiell numerisk mjukvara termiska beräkningar för att samsimulera termiskt och elektriskt effektuttag ur den nyutvecklade PVT-designen. Designen modelleras statiskt under givna variationer av vindhastighet, inloppstemperatur, omgivande temperatur, flödeshastighet, solinstrålning och konvektionskoefficienter för mediet samt baksidan av modulen. Resultaten visar att kontrollerbara variabler som inloppstemperatur har högst inverkan på den totala effekten samt att en parallell flödeskonfiguration lämpar sig bäst. Studien visar också att skillnaden mellan simulering på cellnivå och modulnivå inte motiverar en numerisk beräkningsmetod med upplösning satt till solcellsnivå.
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5

Shirolikar, Jyoti. "PREPARATION AND CHARACTERIZATION OF CIGSS SOLAR CELLS AND PV MODULE DATA ANALYSIS." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4223.

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Анотація:
In this thesis, multiple activities have been carried out in order to improve the process of CIGSS solar cell fabrication on a 4" x 4" substrate. The process of CIGSS solar cell fabrication at FSEC's PV Materials Lab involves a series of steps that were all carried out manually in the past. A LABVIEW program has been written to carry out automated sputter deposition of Mo back contact, CuGa, In metallic precursors on a soda lime glass substrate using a stepper motor control for better uniformity. Further, selenization/ sulfurization of these precursors was carried out using rapid thermal processing (RTP). CIGS films were sulfurized using chemical bath deposition (CBD). ZnO:Al was deposited on the CIGSS films using RF sputtering. A separate LABVIEW program was written to automate the process of ZnO:Al deposition. Ni/Al contact fingers were deposited on the ZnO:Al layer using the e-beam evaporation technique. Further, in order to test these solar cells in-house, a simple current-voltage (IV) tracer was fabricated using LABVIEW. A quantum efficiency (QE) measurement setup was built with guidance from the National Renewable Energy Laboratory (NREL). Lastly, analysis of data from photovoltaic (PV) modules installed on the FSEC test site has been carried out using a LABVIEW program in order to find out their rate of degradation as time progresses. A 'C' program has also been written as an aid for keeping a daily log of errors in data and for troubleshooting of the same.
M.S.E.E.
Department of Electrical and Computer Engineering
Engineering and Computer Science
Electrical Engineering
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6

Sahli, Mehdi. "Simulation and modelling of thermal and mechanical behaviour of silicon photovoltaic panels under nominal and real-time conditions." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAD036.

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Анотація:
Le travail présenté dans cette thèse porte sur le développement d’un modèle multi-physique numérique, destiné à étudier le comportement optique, électrique et thermique d’un module photovoltaïque. Le comportement optique a été évalué en utilisant des chaines de Markov. Le comportement électrique est obtenu pour les panneaux en Silicium à l’aide d’une méthode d’optimisation numérique. Le comportement thermique est développé en 1D sur l’épaisseur du module, et le modèle multi-physique a été faiblement couplé sous MATLAB. Le comportement sous des conditions nominales d’opération a été validé en utilisant les données déclarées par les constructeurs. Ce modèle a été utilisé pour effectuer une étude paramétrique sur l’effet des irradiances solaires en régime permanent. Le modèle a été validé pour des conditions d’utilisations réelles en comparant avec des mesures expérimentales de température et de puissance électrique. Une étude thermomécanique en 2D sous ABAQUS/CAE et se basant sur le modèle multi-physique a été effectué en conditions nominales d’opération, ainsi qu’en cycle de fatigue selon la norme 61215 pour prédire les contraintes qui sont imposées sur le panneau dans les deux cas mentionnés précédemment
The work presented in this thesis deals with the development of a numerical multi-physics model, designed to study the optical, electrical and thermal behaviour of a photovoltaic module. The optical behaviour was evaluated using stochastic modelling based on Markov chains, whereas the electrical behaviour was drawn specifically for Silicon based photovoltaic panels using numerical optimization methods. The thermal behaviour was developed in 1D over the thickness of the module, and the multi-physics module was weakly coupled in MATLAB. The behaviour of commercial panels under nominal operation conditions was validated using data declared by the manufacturers. This model was used to perform a parametric study on the effect of solar irradiances in steady state. It was also validated for real use conditions by comparing it to experimental temperature and electrical power output. A thermomechanical study in 2D in ABAQUS/CAE based in the multi-physics model was carried out in nominal operating conditions, as well as in fatigue thermal cycling according to the IEC 61215 Standard to predict the stresses that are imposed on the panel
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7

Huang, Ming Jun. "The application of computational fluid dynamics (CFD) to predict the thermal performance of phase change materials for the control of photovoltaic cell temperatures in buildings." Thesis, Ulster University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248684.

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8

Gerber, Jacques Dewald. "On the thermal and electrical properties of low concentrator photovoltaic systems." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1021219.

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Анотація:
Low concentrator photovoltaic systems are capable of increasing the power produced by conventional silicon photovoltaic cells, thus effectively lowering the cost per kWh. However, power losses associated with resistance and temperature have limited the large scale implementation of this technology. In this study, the optical-,electrical- and thermal sub-systems of a low concentrator photovoltaic system are theoretically and experimentally evaluated with the aim of minimizing the power losses associated with series resistance and temperature. A 7-facet reflector system, with an effective concentration ratio of 4.7, is used to focus irradiance along a string of series connected poly-crystalline photovoltaic cells. I-V characteristics of 4-, 6- and 8-cell photovoltaic receivers are measured under 1-sun and 4.83-sun conditions. Under concentration, the 8-cell photovoltaic receiver produced 23 percent more power than the 4-cell photovoltaic receiver, which suggests that the effect of series resistance can be minimized if smaller, lower current photovoltaic cells are used. A thermal model, which may be used to predict operating temperatures of a low concentrator photovoltaic system, is experimentally evaluated within a thermally insulated enclosure. The temperatures predicted by the thermal model are generally within 5 percent of the experimental temperatures. The high operating temperatures associated with the low concentrator photovoltaic system are significantly reduced by the addition of aluminium heat sink. In addition, the results of a thermal stress test indicated that these high operating temperatures do not degrade the photovoltaic cells used in this study. The results of this study suggest that the power output of low concentrator photovoltaic systems can be maximized by decreasing the size of the photovoltaic cells and including an appropriate heat sink to aid convective cooling.
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9

Tavernier, Virgile. "Modélisation numérique de la solidification et de la ségrégation des impuretés lors de la croissance du silicium photovoltaïque à l'aide d'une méthode originale de maillage glissant." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI120/document.

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Les panneaux photovoltaïques ont pris ces dernières années une place importante dans le secteur de l’énergie. Les performances de ces panneaux dépendent notamment de la qualité et de l’homogénéité du silicium utilisé et des impuretés qu’il contient. Pour obtenir du silicium photovoltaïque, on peut utiliser un procédé de solidification dirigée afin d’obtenir un lingot de silicium de grade photovoltaïque à partir de silicium de grade métallurgique. Cette approche reste aujourd’hui difficile à simuler efficacement en raison de l’aspect multi-échelle du procédé et du suivi de l’interface mobile avec des transferts de masse et de chaleur à l’interface solide/liquide. Cette thèse présente la mise en œuvre d’une méthode originale de maillage glissant proposée pour réaliser un suivi adaptatif de l’interface mobile, afin d’améliorer l’efficacité des simulations. Dans un premier temps, la modélisation de la solidification dirigée d’un corps pur avec un tel maillage glissant est validée à l’aide d’une solution analytique dans une configuration diffusive de référence. L’impact de la méthode proposée est ensuite étudié dans une configuration de type Bridgman vertical en présence de convection naturelle dans la phase liquide. Dans un second temps, on s’intéresse à la ségrégation des impuretés dans cette même configuration. Pour cela, on propose une modélisation spécifique du rejet d’impuretés à l’interface, et on étudie l’impact sur les simulations de la méthode de maillage glissant proposée. Les résultats et les gains de performance pour les simulations sont discutés en faisant varier des paramètres de calcul et par comparaison avec des données de la littérature
In recent years, photovoltaic panels took a key role in the energy sector. The efficiency of these panels depends notably on the quality of the processed silicon ingots and on their homogeneity regarding the impurities they include. In order to process photovoltaic silicon, one can use a directional solidification process to obtain a solar grade silicon ingot from a metallurgical grade silicon feedstock. This approach is still nowadays hard to simulate with efficiency because of the multi-scales aspects of the process and because of the front tracking of the interface, where some heat and mass transfer occurs. This thesis presents the implementation of an original moving mesh method, proposed in order to perform an adaptive front tracking of the moving interface. The aim is to improve the efficiency of the numerical simulations. In a first time, the directional solidification model of a pure substance with such a moving mesh is validated against an analytical solution based on a purely diffusive reference configuration. The influence of the proposed method is then studied on a vertical Bridgman configuration with natural convection in the liquid phase. In a second time, the segregation of impurities is considered in the same configuration. For this study, a specific model for the rejection of impurities is proposed at the solid/liquid interface, and the influence of the proposed moving mesh method on the results is as well explored. Finally, the results and the performance improvements for the numerical simulations are discussed through variations of the calculation parameters and through comparisons against data from the literature
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10

Kubín, David. "Životní cyklus solární elektrárny, efektivita a návratnost." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220166.

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This master’s thesis named “The Life Cycle of Solar Power, Efficiency and Return” is divided into seven chapters and focuses on the utilization of solar radiation in photovoltaic power stations and solar thermal power stations. The first chapter of this thesis familiarizes the reader with issues concerning renewable resources of energy and presents an overview of the focus of each chapter. The following second chapter is occupied with a topical research of renewable resources of energy utilization in Europe. Further the author presents a brief glance back at the past of solar energy utilization and also a prediction of future solar energy utilization in the Czech Republic. The chapter named “Specification and parameterization of individual technologies” contains an overview of today’s most utilized photovoltaic cells and panels together with an overview of utilized solar collectors and solar thermal power stations. In the following chapter named “Concretization of typical applications and realizations of photovoltaic and solar thermal power stations and determination of all related parameters” the author describes further components of photovoltaic and solar thermal systems. The economical aspect of photovoltaic component production together with an overview of utilized photovoltaic technologies is presented in this chapter. The problem of recycling photovoltaic applications and the current legislative situation regarding this issue in the Czech Republic is also outlined within this chapter. In the fifth chapter of this master’s thesis the author presents mathematical models of a photovoltaic and a solar thermal power station with the focus on economic aspects of investment efficiency assessment. Within this master’s thesis a simulation program in the computational software program Mathematica was created by the author. This program allows a calculation of economic efficiency and return of photovoltaic power station investments. The results of executed simulations are presented in the sixth chapter of this thesis. The last chapter contains an appraisal and summary of results achieved by the author of this thesis.
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Книги з теми "Photovoltaic thermal cell"

1

Symposium on Electrochemical and Thermal Modeling of Battery, Fuel Cell, and Photoenergy Conversion Systems (1986 San Diego, Calif.). Proceedings of the Symposium on Electrochemical and Thermal Modeling of Battery, Fuel Cell, and Photoenergy Conversion Systems. Pennington, NJ (10 S. Main St., Pennington 08534-2896): Battery and physical electrochemistry divisions, Electrochemical Society, 1986.

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2

Huang, Ming Jun. The application of computational fluid dynamics (CFD) to predict the thermal performance of phase change materials for the control of photovoltaic cell temperature in buildings. [S.l: University of Ulster, 2002.

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3

Co, Business Communications, ed. Solar thermal and photovoltaics: World growth markets. Norwalk, CT: Business Communications Co., 1991.

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4

Robert, Moran. Solar thermal and photovoltaics: World growth markets. Norwalk, CT: Business Communications Co., 1996.

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5

Forum on New Materials (5th 2010 Montecatini Terme, Italy). New materials II: Thermal-to-electrical energy conversion, photovoltaic solar energy conversion and concentrating solar technologies : proceedings of the 5th Forum on New Materials, part of CIMTEC 2010, 12th International Ceramics Congress and 5th Forum on New Materials, Montecatini Terme, Italy, June 13-18, 2010. Stafa-Zurich, Switzerland: Trans Tech Publications, 2011.

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6

R, Taylor Margaret, California Energy Commission. Public Interest Energy Research., and University of California, Berkeley. Goldman School of Public Policy., eds. Government actions and innovation in clean energy technologies: The cases of photovoltaic cells, solar thermal electric power, and solar water heating : PIER project report. [Sacramento, Calif.]: California Energy Commission, 2007.

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7

B, Ibrahim Mounir, and United States. National Aeronautics and Space Administration., eds. Analysis of thermal energy storage material with change-of-phase volumetric effects. [Washington, D.C: National Aeronautics and Space Administration, 1990.

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8

Martin, Donald F. Space Station Freedom solar array panels plasma interaction test facility. [Washington, D.C.]: NASA, 1990.

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9

D, Mellott Kenneth, and United States. National Aeronautics and Space Administration., eds. Space Station Freedom solar array panels plasma interaction test facility. [Washington, D.C.]: NASA, 1990.

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10

Green, Martin A., Olivier Dupré, and Rodolphe Vaillon. Thermal Behavior of Photovoltaic Devices: Physics and Engineering. Springer, 2016.

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Частини книг з теми "Photovoltaic thermal cell"

1

Tiwari, Gopal Nath, and Neha Gupta. "Solar Cell Materials, PV Modules and Arrays." In Photovoltaic Thermal Passive House System, 139–60. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9780429445903-5.

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2

Goetzberger, A., W. Bronner, and W. Wettling. "Efficiency of a Combined Solar Concentrator Cell and Thermal Power Engine System." In Tenth E.C. Photovoltaic Solar Energy Conference, 11–14. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3622-8_3.

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3

Shyam, Sudip, Pranab K. Mondal, and Balkrishna Mehta. "Thermal Energy Management Strategy of the Photovoltaic Cell Using Ferromagnetohydrodynamics." In Lecture Notes in Electrical Engineering, 25–34. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5089-8_3.

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4

Fan, Guanheng, and Xiangfei Ji. "Thermal Design About Photovoltaic Cell Module of OMEGA Space Solar Power Station." In Lecture Notes in Electrical Engineering, 354–60. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9441-7_36.

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5

Lalith Pankaj Raj Nadimuthu, G. N., V. Madhan Karthik, M. Mohanraj, and V. Kirubakaran. "Fast Thermal Degradation of Biomass Using Scrapped Solar Cell with Special Focus on Photovoltaic (PV) Waste Disposal." In Waste Valorisation and Recycling, 349–61. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2784-1_33.

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6

Nfaoui, Mohamed, Mohamed Mejdal, Khalil El-hami, and Sanaa Hayani-Mounir. "Study and Modeling of the Thermal Behavior of a Photovoltaic Cell Under Arid and Semi-arid Sites Conditions." In Advanced Intelligent Systems for Sustainable Development (AI2SD’2020), 626–42. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90639-9_51.

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7

Kant, Karunesh, Amritanshu Shukla, and Atul Sharma. "Phase Change Materials for Temperature Regulation of Photovoltaic Cells." In Latent Heat-Based Thermal Energy Storage Systems, 157–70. Includes bibliographical references and index.: Apple Academic Press, 2020. http://dx.doi.org/10.1201/9780429328640-7.

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8

Eitner, Ulrich, Sarah Kajari-Schröder, Marc Köntges, and Holm Altenbach. "Thermal Stress and Strain of Solar Cells in Photovoltaic Modules." In Shell-like Structures, 453–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21855-2_29.

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9

Joly, J. F., L. Mayet, M. Remram, G. Chaussemy, D. Barbier, and A. Laugier. "Solar Cells Made by Rapid Thermal Annealing of As+-Implanted Monocrystalline Silicon. Relationship Between Annealing Parameters and Junction Characteristics." In Seventh E.C. Photovoltaic Solar Energy Conference, 933–37. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3817-5_166.

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10

Deepak, Shubham Srivastava, Sampurna Panda, and C. S. Malvi. "Developments in Solar PV Cells, PV Panels, and PVT Systems." In Solar Thermal Systems: Thermal Analysis and its Application, 258–86. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050950122010013.

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With the advancement in technology and manufacturing techniques, various solar cell materials evolved, and their practical implementation led to modification in the design and installation of photovoltaic panels. Different solar cells are compared in this chapter considering their efficiency, performance, temperature coefficient, etc. Developments in PV panel and photovoltaic thermal (PVT) systems are outlined with their respective applications and advantages. It was found that the cost and efficiency of any solar cell are crucial parameters for deciding its implementation in PV panels. Additionally, the solar panel's temperature deflates its efficiency and lowers the thermal conversion. In order to overcome this problem, a PV system was incorporated with different thermal storage materials and cooling mediums, such as air, water, oil, fluids, etc., lowering the temperature of solar panels and making them able to store the excess solar thermal energy to use it during the sunoff period. It was concluded that thin solar cells, such as perovskite and DSSC solar cells, are widely used where flexibility is important and thermal storage materials are utilized with nanoparticles for better thermal efficiency.
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Тези доповідей конференцій з теми "Photovoltaic thermal cell"

1

Siegal, Bernie. "Solar Photovoltaic Cell thermal measurement issues." In 2010 IEEE/CPMT 26th Semiconductor Thermal Measurement, Modeling & Management Symposium (SEMI-THERM). IEEE, 2010. http://dx.doi.org/10.1109/stherm.2010.5444302.

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2

Sopian, K., H. T. Liu, S. Kakac, and T. N. Veziroglu. "Performance of a Hybrid Photovoltaic Thermal Solar Collector." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0293.

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Abstract Closed form solutions have been obtained for both a single-pass and a double-pass collectors and, for a passively cooled photovoltaic panel. The mean plate temperature, photovoltaic cell, thermal, and combined efficiencies have been obtained. The results show that the double-pass photovoltaic thermal collector has a more productive cooling effect compared to the single-pass photovoltaic thermal collector, and thus has better photovoltaic cells performance. The effect of the mass flow rate, duct depth, and packing factor on the photovoltaic cell performance are also discussed.
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3

Fanney, A. Hunter, Brian P. Dougherty, and Mark W. Davis. "Measured Performance of Building Integrated Photovoltaic Panels." In ASME 2001 Solar Engineering: International Solar Energy Conference (FORUM 2001: Solar Energy — The Power to Choose). American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/sed2001-138.

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Abstract The photovoltaic industry is experiencing rapid growth. Industry analysts project that photovoltaic sales will increase from their current $1.5 billion level to over $27 billion by 2020, representing an average growth rate of 25% [1]. To date, the vast majority of sales have been for navigational signals, call boxes, telecommunication centers, consumer products, off-grid electrification projects, and small grid-interactive residential rooftop applications. Building integrated photovoltaics, the integration of photovoltaic cells into one of more of the exterior surfaces of the building envelope, represents a small but growing photovoltaic application. In order for building owners, designers, and architects to make informed economic decisions regarding the use of building integrated photovoltaics, accurate predictive tools and performance data are needed. A building integrated photovoltaic test bed has been constructed at the National Institute of Standards and Technology to provide the performance data needed for model validation. The facility incorporates four identical pairs of building integrated photovoltaic panels constructed using single-crystalline, polycrystalline, silicon film, and amorphous silicon photovoltaic cells. One panel of each identical pair is installed with thermal insulation attached to its rear surface. The second paired panel is installed without thermal insulation. This experimental configuration yields results that quantify the effect of elevated cell temperature on the panels’ performance for different cell technologies. This paper presents the first set of experimental results from this facility. Comparisons are made between the electrical performance of the insulated and non-insulated panels for each of the four cell technologies. The monthly and overall conversion efficiencies for each cell technology are presented and the seasonal performance variations discussed. Daily efficiencies are presented for a selected month. Finally, hourly plots of the power output and panel temperatures are presented and discussed for the single-crystalline and amorphous silicon panels.
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4

Alam, Shah, and Rahul Yelamanchili. "Thermal Modeling of Concentrated Photovoltaic Thermal System at Different Operating Conditions." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86899.

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Concentrated photovoltaic thermal system is a reliable solar energy system that utilizes sunlight of higher concentration on a photovoltaic cell to generate energy that is superior to conventional solar systems due to fewer space requirements and high electrical and thermal efficiencies. The primary objective of this thesis was to test two operating conditions of the concentrated photovoltaic thermal system and find the condition that delivers maximum output when compared to the other. The first condition tested in this research included variable velocity of water flowing in the cooling channel while a constant amount of heat flux was applied on the photovoltaic cells. The second tested condition included constant velocity of water flowing in the cooling channel while varying the amount of heat flux applied on the photovoltaic cells. Through mathematical modeling, that includes, thermal modeling and energy analysis was carried out for the concentrated photovoltaic thermal system along with simulations of the system that were performed using a three-dimensional finite element analysis software called Ansys Workbench (Fluent). The results from this research provide a useful path in improving the efficiency of the concentrated photovoltaic thermal system.
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Hagfarah, Ayman, and Mehdi Nazarinia. "Fundamental Study for the Power Tower’s High Concentrated Photovoltaic/Thermal-Combined Thermal Receiver." In ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/es2016-59051.

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The present study introduces fundamental aspects of a novel concentrated photovoltaics (CPV) technology. The technology is based on combining CPV/T receiver along with a solar thermal receiver. The combination is referred to as a High Concentrated Photovoltaic/Thermal - Combined receiver or HCPV/T-CT. The receiver is allocated in lieu of the conventional solar thermal receivers in the solar tower power plant schemes. The plant is designed to generate electricity and thermal energy simultaneously prior to integration with the conventional water desalination plant. The centralized generation in the CPV/T-CT receiver will remarkably simplify the complexity of the conventional solar power plants, and eliminate the piping networks’ energy losses in the CPV/T Dish tracking plants. The viability of the HCPV/T-CT power tower plant has also been investigated by; firstly, designing and simulating the plant performance using the System advisor model (SAM) software, and secondly, designing a prototype receiver and then deriving a mathematical model. The Levelised Cost Of Electricity/Energy (LCOE) was found to be 0.119 $/kWhe and 0.021 $/kWhe for electricity and energy generation, respectively, while the photovoltaic cells temperature maintained below the 90 °C.
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6

Sayed, Khairy, Mazen Abdel-Salam, Mahmoud Ahmed, and Adel A. Ahmed. "Electro-Thermal Modeling of Solar Photovoltaic Arrays." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62541.

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The objective of the present work is to develop a dynamic electro-thermal model for photovoltaic cells to optimize both electrical and thermal performance of such systems. The thermal model is developed by generating the equivalent RC network (resistance-capacitance) parameters. Then, the thermal model is combined with electrical model and implemented by PSIM simulation program to evaluate performance parameters for any predefined operating condition. The electro-thermal model predicts instantaneous temperature of photovoltaic device at the actual circuit working conditions. Consequently, the temperature rise during the system startup and during load transient is investigated. The thermal model predicts the junction temperature based on transient heat dissipation calculated from the electrical model. The calculated junction temperature is used as an input to the electrical model. The factors that control the junction temperature are module reaching irradiance, optical properties of the photovoltaic cell, photovoltaic conversion efficiency, heat transfer and electrical characteristic of the load. If the junction temperature exceeds a certain limit, it causes hotspot on the photovoltaic module surface. Consequently, the formed hotspots result in reducing the system efficiency and life time. The predicted dynamic behavior of photovoltaic cell is compared with theoretical predictions and other reported data in order to validate the developed model. The obtained results show a good concurrence with the predictions of other works. Detailed comparisons between predicted and measured results are reported and discussed.
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Bosco, Nick, Dhananjay Panchagade, and Sarah Kurtz. "Modeling thermal fatigue in CPV cell assemblies." In 2011 37th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2011. http://dx.doi.org/10.1109/pvsc.2011.6186652.

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8

Roosloot, Nathan, Junjie Zhu, Sean Erik Foss, and Gaute Otnes. "Extended Thermal Cycling of Shingled Cell Interconnects." In 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC). IEEE, 2021. http://dx.doi.org/10.1109/pvsc43889.2021.9518892.

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9

Mahderekal, Isaac, and R. F. Boehm. "Thermal Analysis of a Concentrating Photovoltaic Receiver." In ASME 2004 International Solar Energy Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/isec2004-65006.

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This paper presents the theoretical and computational analysis for a photovoltaic (PV) receiver for the Science Applications International Corporation (SAIC) dish concentrator. During photovoltaic energy conversion, thermal energy is also generated which results in increases in cell temperature. However, as the cell temperature increases, the efficiency of the PV cells drops—a 40°C increase in temperature for this unit cuts performance by 25%. An algorithm has been developed to predict the maximum cell temperature and working fluid temperature as a function of channel size, mass flow rate, cooling configuration, fluid-to-tube heat transfer coefficient and other parameters. To evaluate the transient characteristics of the system, a dynamic model of the concentrating PV collector has been developed. The model describes the change in temperature of the cells and the coolant in the receiver as a function of time, taking into account the: solar insolation, change in energy content of the element, energy transfer by the fluid flow, and temperature dependent energy flow between the element and the surroundings. Five energy balance differential equations have been solved simultaneously to examine the transient nature of the system. Computational fluid dynamics flow modeling (CFD) software has also been utilized to compare the temperature distribution along the module with the analytical results. The flow model is built and applied mesh using the preprocessing tool, GAMBIT, and the CFD analysis has been done by using Fluent. The model quantifies temperature, velocity and pressure profiles of the module.
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10

Geisz, John F., Daniel J. Friedman, Sarah R. Kurtz, Myles A. Steiner, William E. McMahon, Lynn Gedvilas, Anna Duda, Michelle Young, and Waldo Olavarria. "Cell-level thermal management issues in concentrator III–V multijunction solar cells." In 2010 35th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2010. http://dx.doi.org/10.1109/pvsc.2010.5616973.

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