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Gomes, J. (2019). Assessment of the impact of stagnation temperatures in receiver prototypes of C-PVT collectors. Energies, 12(15), 2967-2967
Open this publication in new window or tab >>Assessment of the impact of stagnation temperatures in receiver prototypes of C-PVT collectors
2019 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 12, no 15, p. 2967-2967Article in journal (Refereed) Published
Abstract [en]

Concentrating Photovoltaic Thermal (C-PVT) solar collectors produce both thermal and electric power from the same area while concentrating sunlight. This paper studies a C-PVT design where strings of series-connected solar cells are encapsulated with silicone in an aluminium receiver, inside of which the heat transfer fluid flows, and presents an evaluation on structural integrity and performance, after reaching stagnation temperatures. Eight test receivers were made, in which the following properties were varied: Size of the PV cells, type of silicone used to encapsulate the cells, existence of a strain relief between the cells, size of the gap between cells, and type of cell soldering (line or point). The test receivers were placed eight times in an oven for one hour at eight different monitored temperatures. The temperature of the last round was set at 220 °C, which exceeds the highest temperature the panel design reaches. Before and after each round in the oven, the following tests were conducted to the receivers: Electroluminescence (EL) test, IV-curve tracing, diode function, and visual inspection. The test results showed that the receivers made with the transparent silicone and strain relief between cells experienced less microcracks and lower power degradation. No prototype test receiver lost more than 30% of its initial power, despite some receivers displaying a large number of cell cracks. The transparent and more elastic silicone is better at protecting the solar cells from the mechanical stress of thermal expansion than the compared silicone alternative, which was stiffer. As expected, larger cells are more prone to develop microcracks after exposure to thermal stress. Additionally, existing microcracks tend to grow in size relatively fast under thermal stress. EL imaging taken during our experiment leads us to conclude that it is far more likely for existing cracks to expand than for new cracks to appear. [ABSTRACT FROM AUTHOR]

Keywords
Concentration, Electroluminescence test, IV-curve, PVT, Stagnation temperature
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:hig:diva-30571 (URN)10.3390/en12152967 (DOI)000482174800126 ()2-s2.0-85073703419 (Scopus ID)
Note

Funding agency:

- Eureka Eurostars, Project E10625—Solar CPC PVT Production- Solarus Sunpower (company)

Available from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-11-05Bibliographically approved
Costeira, J., Vieira, M., Hayati, A., Gomes, J. & Cabral, D. (2018). Development of a compact and didactic solar energy kit using Arduino. In: Haberle, A. (Ed.), PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY: . Paper presented at 12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND (pp. 1663-1667). INTL SOLAR ENERGY SOC
Open this publication in new window or tab >>Development of a compact and didactic solar energy kit using Arduino
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2018 (English)In: PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY / [ed] Haberle, A., INTL SOLAR ENERGY SOC , 2018, p. 1663-1667Conference paper, Published paper (Refereed)
Abstract [en]

When the sun rises, so does the key element that will shape the future of the world energy landscape. It is not an understatement to say that the solar energy industry is beginning to lead the path towards a sustainable future for all of us. However, the awareness of the potential of this amazing source of energy must begin from the most basic levels of education all the way to university. The scope of this paper is to display a new compact and didactic solar energy kit with the potential to replace current high cost and complex solar energy kits. These solutions are often too expensive and therefore unavailable for most of Europe’s public schools. As such, an equipment was developed using an open-source platform called Arduino that will enable students to conduct practical experiments in a fast, effective and simple manner and thus allow students to acquire the proper expertise in areas like energy, electronics, and programming.

Place, publisher, year, edition, pages
INTL SOLAR ENERGY SOC, 2018
Keywords
Photovoltaic (PV) cells; Solar energy; Teaching kit; Active learning; Arduino
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:hig:diva-30564 (URN)10.18086/eurosun2018.07.04 (DOI)000475550900174 ()
Conference
12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND
Available from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-11-05Bibliographically approved
Torres, J. P., Fernandes, C. A. F., Gomes, J., Luc, B., Carine, G., Olsson, O. & Branco, P. J. (2018). Effect of reflector geometry in the annual received radiation of low concentration photovoltaic systems. Energies, 11(7), Article ID 1878.
Open this publication in new window or tab >>Effect of reflector geometry in the annual received radiation of low concentration photovoltaic systems
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2018 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 11, no 7, article id 1878Article in journal (Refereed) Published
Abstract [en]

Solar concentrator photovoltaic collectors are able to deliver energy at higher temperatures for the same irradiances, since they are related to smaller areas for which heat losses occur. However, to ensure the system reliability, adequate collector geometry and appropriate choice of the materials used in these systems will be crucial. The present work focuses on the re-design of the Concentrating Photovoltaic system (C-PV) collector reflector presently manufactured by the company Solarus, together with an analysis based on the annual assessment of the solar irradiance in the collector. An open-source ray tracing code (Soltrace) is used to accomplish the modelling of optical systems in concentrating solar power applications. Symmetric parabolic reflector configurations are seen to improve the PV system performance when compared to the conventional structures currently used by Solarus. The parabolic geometries, using either symmetrically or asymmetrically placed receivers inside the collector, accomplished both the performance and cost-effectiveness goals: for almost the same area or costs, the new proposals for the PV system may be in some cases 70% more effective as far as energy output is concerned.

Place, publisher, year, edition, pages
MDPI AG, 2018
Keywords
Concentrating photovoltaic (C-PV) solar systems, Maximum reflector collector (MaReCo), Ray-tracing, Reflector design, Soltrace, Cost effectiveness, Geometry, Photovoltaic cells, Photovoltaic effects, Ray tracing, Reflection, Solar energy, Solar power generation, Concentrating photovoltaic, Concentrating photovoltaic systems, Concentrating solar power, Concentrator photovoltaics, Conventional structures, Open systems
National Category
Energy Systems
Identifiers
urn:nbn:se:hig:diva-27864 (URN)10.3390/en11071878 (DOI)000441830500262 ()2-s2.0-85051229803 (Scopus ID)
Available from: 2018-09-06 Created: 2018-09-06 Last updated: 2019-11-05Bibliographically approved
Cabral, D., Costeira, J. & Gomes, J. (2018). Electrical and Thermal Performance Evaluation of a District Heating System Composed of Asymmetric low concentration PVT Solar Collector Prototypes. In: Haberle, A. (Ed.), PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY: . Paper presented at 12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND (pp. 755-763). INTL SOLAR ENERGY SOC
Open this publication in new window or tab >>Electrical and Thermal Performance Evaluation of a District Heating System Composed of Asymmetric low concentration PVT Solar Collector Prototypes
2018 (English)In: PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY / [ed] Haberle, A., INTL SOLAR ENERGY SOC , 2018, p. 755-763Conference paper, Published paper (Refereed)
Abstract [en]

Photovoltaic-Thermal (PVT) solar collectors generate electricity and heat from the same gross area. The annual electrical and thermal yields of these systems are dependent on the PVT collector technology, as well as the climate and the type of solar thermal system implemented. This review presents an evaluation of a district heating system composed of 20 asymmetric hybrid low concentrator PVT (C-PVT) solar collector prototypes. The system is installed in a South wall facade in order to maximise the available space (with a tilt of 20 degrees and an orientation of 5 degrees W). The thermal system is connected to the district heating network, thus heating the University buildings. On the other hand, the electrical system is grid-connected, where it feeds the grid directly. Real measurement data has been collected and compared with a thermal (through ScenoCalc tool) and electrical performance models. The annual thermal and electrical yield achieved 86% and 89% of the simulated thermal and electrical yield, respectively.

Place, publisher, year, edition, pages
INTL SOLAR ENERGY SOC, 2018
Keywords
C-PVT; System analysis; Electrical and Thermal evaluation
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:hig:diva-30563 (URN)10.18086/eurosun2018.02.15 (DOI)000475550900080 ()
Conference
12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND
Available from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-11-05Bibliographically approved
Lanca, M., Gomes, J. & Hayati, A. (2018). Numerical Simulation of the Thermal Performance of Four Concentrating Collectors with Bifacial PV Cells. In: Haberle, A. (Ed.), PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY: . Paper presented at 12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND (pp. 810-821). INTL SOLAR ENERGY SOC
Open this publication in new window or tab >>Numerical Simulation of the Thermal Performance of Four Concentrating Collectors with Bifacial PV Cells
2018 (English)In: PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY / [ed] Haberle, A., INTL SOLAR ENERGY SOC , 2018, p. 810-821Conference paper, Published paper (Refereed)
Abstract [en]

Bifacial photovoltaic cells can produce electricity from the incoming solar radiation on both sides. Used in combination with concentrating solar technology, bifacial photovoltaic cells can see its electrical output further augmented, thus decreasing the cost per kWh. It is known, however, that the efficiency reduction when these cells are exposed to increased temperatures is a relevant factor. This can happen, for example, when they are mounted on a glassed collector or receiver. In this study, a thermal analysis is carried out on four prototypes of concentrating collectors with bifacial PV cells. Results show that, as expected, when glass and gables are removed from the collector, much better heat dissipation is achieved, thus resulting in favorable cell operation conditions.

Place, publisher, year, edition, pages
INTL SOLAR ENERGY SOC, 2018
Keywords
PV cells; concentrators; reflector geometry; CFD; glass receiver
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:hig:diva-30565 (URN)10.18086/eurosun2018.02.25 (DOI)000475550900086 ()978-3-9820408-0-6 (ISBN)
Conference
12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND
Available from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-11-05Bibliographically approved
Kurdia, A., Gomes, J., Pius, G., Ollas, P. & Olsson, O. (2018). Quasi-Dynamic Testing of a Novel Concentrating Photovoltaic Solar Collector According to ISO 9806:2013. In: Haberle, A. (Ed.), PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY: . Paper presented at 12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND (pp. 1262-1273). INTL SOLAR ENERGY SOC
Open this publication in new window or tab >>Quasi-Dynamic Testing of a Novel Concentrating Photovoltaic Solar Collector According to ISO 9806:2013
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2018 (English)In: PROCEEDINGS OF THE ISES EUROSUN 2018 CONFERENCE - 12TH INTERNATIONAL CONFERENCE ON SOLAR ENERGY FOR BUILDINGS AND INDUSTRY / [ed] Haberle, A., INTL SOLAR ENERGY SOC , 2018, p. 1262-1273Conference paper, Published paper (Refereed)
Abstract [en]

Testing and certification of solar thermal collectors has been widely researched and improved over the years, however, many of the developments in the test standards has been focused primarily on generic flat plate collectors. In this study, the focus was on depicting the applicability of the current standard in characterizing the performance of a novel concentrating solar collector of design. The applicability of the Quasi-Dynamic Testing (QDT) method for collector certification, by the ISO 9806:2013, is studied to be used in characterizing the novel concentrating PVT collector, and to point out the weaknesses observed, and essential additions required.

Place, publisher, year, edition, pages
INTL SOLAR ENERGY SOC, 2018
Keywords
Concentrating Photovoltaic Thermal Collector; C-PVT; Quasi-Dynamic Testing; QDT
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:hig:diva-30562 (URN)10.18086/eurosun2018.12.07 (DOI)000475550900134 ()
Conference
12th International Conference on Solar Energy for Buildings and Industry (ISES EuroSun), 2018, Rapperswil, SWITZERLAND
Available from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-11-05Bibliographically approved
Cabral, D., Gomes, J., Dostie-Guindon, P.-A. & Karlsson, B. O. (2017). Ray tracing simulations of a novel low concentrator PVT solar collector for low latitudes. In: ISES Solar World Congress 2017 - IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry 2017, Proceedings: . Paper presented at SWC 2017: ISES Solar World Congress, SHC 2017: IEA SHC Solar Heating and Cooling Conference 2017; 29 October - 2 November 2017, Abu Dhabi, UAE (pp. 1068-1079). International Solar Energy Society
Open this publication in new window or tab >>Ray tracing simulations of a novel low concentrator PVT solar collector for low latitudes
2017 (English)In: ISES Solar World Congress 2017 - IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry 2017, Proceedings, International Solar Energy Society , 2017, p. 1068-1079Conference paper, Published paper (Refereed)
Abstract [en]

One way to reduce solar collector's production costs is to use concentrators that increase the output per photovoltaic cell. Concentrating collectors re-direct solar radiation that passes through an aperture into an absorber. The current study evaluates electrical performance of symmetric C-PVT solar collectors with a vertical bifacial receiver, through a numerical ray tracing model software, Tonatiuh. Several designs have been analysed, such as the Pure Parabola (PP) and MaReCo CPC geometries, both symmetric. Parameters such as concentration factor, electrical performance, transversal and longitudinal IAM (Incidence Angle Modifier), the influence of optical elements and influence of the length of the reflector in the shadow effect have been studied for different geometries. The simulations were performed for Mogadishu, Somalia and showed good results for the Pure Parabola collector (PPc) annual received energy, 379 and 317 kWh/m2/year for a focal length of 15 e 30 mm, respectively. A symmetrical double MaReCo CPC collector has been simulated with the annual received energy of 315 kWh/m2/year. The addition of the optical elements will decrease the annual received energy of the PPc by around 11.5%, where the optical properties (7.1%) and glass (4.1%) have the biggest impact in the annual received energy. Overall, symmetric geometries proved to be the most suitable geometries for low latitudes applications, being the geometry f1 (focal length of 15 mm) the best one. 

Place, publisher, year, edition, pages
International Solar Energy Society, 2017
Keywords
MaReCo CPC geometry, Pure Parabola collector, Symmetric C-PVT, Tonatiuh, C (programming language), Geometry, Optical properties, Photoelectrochemical cells, Photovoltaic cells, Rhenium compounds, Solar collectors, Solar heating, Solar power generation, Solar radiation, Concentrating collector, Concentration factors, Direct solar radiation, Electrical performance, Ray tracing simulation, Ray tracing
National Category
Energy Systems
Identifiers
urn:nbn:se:hig:diva-27631 (URN)10.18086/swc.2017.18.05 (DOI)2-s2.0-85050544604 (Scopus ID)978-3-9814659-7-6 (ISBN)
Conference
SWC 2017: ISES Solar World Congress, SHC 2017: IEA SHC Solar Heating and Cooling Conference 2017; 29 October - 2 November 2017, Abu Dhabi, UAE
Available from: 2018-08-13 Created: 2018-08-13 Last updated: 2019-11-05Bibliographically approved
Francisco Contero, J., Gomes, J., Gustafsson, M. & Karlsson, B. O. (2017). The impact of shading in the performance of three different solar PV systems. In: PROCEEDINGS OF THE 11TH ISES EUROSUN 2016 CONFERENCE: . Paper presented at 11th ISES EuroSun Conference, 11-14 October 2017, Palma, Spain (pp. 1168-1179). INTL SOLAR ENERGY SOC
Open this publication in new window or tab >>The impact of shading in the performance of three different solar PV systems
2017 (English)In: PROCEEDINGS OF THE 11TH ISES EUROSUN 2016 CONFERENCE, INTL SOLAR ENERGY SOC , 2017, p. 1168-1179Conference paper, Published paper (Refereed)
Abstract [en]

Partial shading decreases the performance of PV modules due to the series connection between the solar cells. In the recent years, several new technologies have emerged within the photovoltaics field to mitigate the effect of shading in the performance of the PV modules. For an accurate assessment of the performance of these devices, it is required to evaluate them comparatively in different circumstances. Three systems with six series-connected PV modules (each containing 60 cells) have been installed at the University of Gavle. System One comprises a string inverter system with 6 PV modules; System Two features a DC-DC optimizer per panel and a string inverter; System Three incorporates three micro inverters for six modules. A major conclusion of this study was that under partial shading of one (or more) modules both System Two (DC-DC optimizers) and System Three (micro inverters) perform considerably better than System One (string inverter), as long as the Impp of the shadowed module is lower than the Impp of the unshaded string It is also important that the Vmpp in the shaded module is higher than the lowest allowed voltage of the DC-DC optimizer or module inverter. The economic implications of the usage of these devices were also analyzed.

Place, publisher, year, edition, pages
INTL SOLAR ENERGY SOC, 2017
Keywords
Shading; PV-cells; DC-DC; inverter; installation; Impp; Vmpp; Pmax
National Category
Energy Systems
Identifiers
urn:nbn:se:hig:diva-26397 (URN)10.18086/eurosun.2016.08.25 (DOI)000426895100118 ()
Conference
11th ISES EuroSun Conference, 11-14 October 2017, Palma, Spain
Funder
Swedish Energy Agency, P38194-1
Available from: 2018-04-03 Created: 2018-04-03 Last updated: 2019-11-05Bibliographically approved
Gomes, J., Luc, B., Carine, G., Fernandes, C. A., Torres, J. P., Olsson, O., . . . Nashih, S. K. (2016). Analysis of different C-PVT reflector geometries. In: Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016: . Paper presented at 17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016, 25-28 September 2016, Varna, Bulgaria (pp. 1248-1255). IEEE, Article ID 7752175.
Open this publication in new window or tab >>Analysis of different C-PVT reflector geometries
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2016 (English)In: Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016, IEEE, 2016, p. 1248-1255, article id 7752175Conference paper, Published paper (Refereed)
Abstract [en]

One of the main advantages of solar concentrating photovoltaic-thermal collectors (C-PVT) is that these systems are all-in-one module type. For this reason, they are associated to less area and material requirements. Nevertheless, these systems require a more complex analysis in order to improve their performances, since the two types of energy conversion are related to the different demands and their cross effects. In the overall analysis, the collector geometry and the used materials for all their components will be crucial to ensure the system reliability. This study presents preliminary work about re-designing the reflector of C-PVT collectors currently produced in the Swedish SME Solarus Sunpower AB with a comparative analysis on an annual basis of the solar radiation that reaches the collector. For the work accomplished, an open-source advanced object-oriented Monte Carlo ray tracing program (Tonatiuh) is used. For low latitudes, two reflector shapes have been selected since they ensure better performances than the current Solarus reflector. These two new designs achieve both the performance and cost-effectiveness objectives: for the same aperture area and for a thinner box, the collector is 7% to 10% more effective and 18% cheaper.

Place, publisher, year, edition, pages
IEEE, 2016
Keywords
MaReCo, ray-tracing, shading, simulation, Symmetric CPC PVT, tilt influence, Tonatiuh, Cost effectiveness, Energy conversion, Geometry, Motion control, Object oriented programming, Power control, Power electronics, Reflection, Reliability analysis, Solar power generation, Ray tracing
National Category
Energy Systems
Identifiers
urn:nbn:se:hig:diva-23529 (URN)10.1109/EPEPEMC.2016.7752175 (DOI)000390590000180 ()2-s2.0-85008259310 (Scopus ID)
Conference
17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016, 25-28 September 2016, Varna, Bulgaria
Available from: 2017-02-06 Created: 2017-02-06 Last updated: 2019-11-05Bibliographically approved
Fernandes, C. A., Torres, J. P., Gomes, J., Branco, P. J. & Nashih, S. K. (2016). Stationary solar concentrating photovoltaic-thermal collector - Cell string layout. In: Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016: . Paper presented at 17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016, 25-28 September 2016, Varna, Bulgaria (pp. 1275-1282). IEEE, Article ID 7752179.
Open this publication in new window or tab >>Stationary solar concentrating photovoltaic-thermal collector - Cell string layout
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2016 (English)In: Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016, IEEE, 2016, p. 1275-1282, article id 7752179Conference paper, Published paper (Refereed)
Abstract [en]

The aim of this work is to design the cell string layout in stationary concentrating photovoltaic (PV) or hybrid systems (PVT) in order to minimize the effects of both the longitudinal and transversal shading inherent to concentrating collectors. In this paper it is determined the best configuration of a PV string of cells, composed by several modules, by using a simple mathematical model based on the current vs. voltage of the PV cell. The model calculates the power vs. voltage curves of different possible configurations, in order to identify the optimal one according to efficiency and reliability. The company SOLARUS manufactures PVT collectors with cell strings of 38 solar cells connected in series. Solar cells in the concentrated side of the collector are shaded due to the presence of the aluminium frame of the PVT collector. The effects of shading and non-uniform illumination are minimized by including bypass diodes. Each string has 4 modules of bridged cells, each one associated to a bypass diode. In this work, different combinations of string cells in the collector receiver have been simulated using the free circuit simulation package from Linear Technology Corporation (LTSPICE). Test results are provided by SOLARUS to validate the proposed approach. A comparative analysis is presented at the end, showing that the simulation model is an important tool to define the module configurations that achieve the best energy efficiencies of the PVT panel. 

Place, publisher, year, edition, pages
IEEE, 2016
Keywords
bypass diodes, concentrating collectors, mismatching, PVT systems, shading, Circuit simulation, Diodes, Energy efficiency, Hybrid systems, Motion control, Photovoltaic cells, Photovoltaic effects, Power control, Power electronics, Solar power generation, By-pass diodes, Concentrating collector, Concentrating photovoltaic, Efficiency and reliability, Module configurations, Non-uniform illumination, Solar cells
National Category
Energy Systems
Identifiers
urn:nbn:se:hig:diva-23528 (URN)10.1109/EPEPEMC.2016.7752179 (DOI)000390590000184 ()2-s2.0-85008245566 (Scopus ID)9781509017980 (ISBN)
Conference
17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016, 25-28 September 2016, Varna, Bulgaria
Available from: 2017-02-06 Created: 2017-02-06 Last updated: 2019-11-05Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-8156-2587

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