Zobrazeno 1 - 10
of 40
pro vyhledávání: '"E. Ernest van Dyk"'
Publikováno v:
Solar Energy. 227:116-125
Photovoltaic modules are rated at standard test conditions, STC, but in real life operation they are exposed to very different conditions. The power of a module and its device parameters are obtained from the current-voltage characteristic (I-V curve
Publikováno v:
Solar Energy. 204:134-143
Performance models are used for forecasting the energy output of photovoltaic systems. The ability of a model to accurately predict the output must be carefully assessed because the capital cost for photovoltaic system implementation is tied to the r
Autor:
Benedikt Hanke, Golden Makaka, Kittessa T Roro, Babak Ravanbach, Ngwarai Shambira, E. Ernest van Dyk, Karsten von Maydell, Monphias Vumbugwa, Meike Kühnel, Mahali Elizabeth Lesala
Publikováno v:
EVER
Hybrid renewable mini-grids have emerged as a viable solution for providing reliable, environmentally friendly electricity to remote communities. An affordable and grid-quality supply of energy can open new possibilities for socioeconomic progress. A
Publikováno v:
Journal of Energy in Southern Africa, Vol 26, Iss 3, Pp 19-26 (2017)
Journal of Energy in Southern Africa, Volume: 26, Issue: 3, Pages: 19-26, Published: AUG 2015
Journal of Energy in Southern Africa, Volume: 26, Issue: 3, Pages: 19-26, Published: AUG 2015
The performance and longevity of photovoltaic (PV) modules can be severely limited by cell mismatch occurring when a solar cell in a series-connected string produces a lower current than the other cells in that string. The current output of the entir
Autor:
Michael J. Brooks, Wikus van Niekerk, Michael J. Mouzouris, Nic van der Westhuizen, Sven du Clou, Riaan Meyer, Corli Leonard, F.J. Vorster, E. Ernest van Dyk, Paul Gauché
Publikováno v:
Journal of Energy in Southern Africa, Vol 26, Iss 1, Pp 2-10 (2017)
Journal of Energy in Southern Africa, Volume: 26, Issue: 1, Pages: 10-2, Published: FEB 2015
ResearcherID
Journal of Energy in Southern Africa, Volume: 26, Issue: 1, Pages: 10-2, Published: FEB 2015
ResearcherID
A new resource for sun strength data in Southern Africa has been established with the commissioning of a regional network of solar monitoring stations. The Southern African Universities Radiometric Network (SAURAN) is an initiative of Stellenbosch Un
Publikováno v:
Solar Energy. 139:533-546
The perforated shadow band enables the decomposition of global horizontal solar irradiance (GHI) so as to obtain diffuse horizontal and direct normal irradiance components (DHI and DNI). As a single-pyranometer system, it offers a low-cost alternativ
Publikováno v:
Solar Energy. 85:12-18
Device parameters such as series and shunt resistances, saturation current and diode ideality factor influence the behaviour of the current–voltage (I–V) characteristics of solar cells and photovoltaic modules. It is necessary to determine these
Publikováno v:
physica status solidi c. 5:616-619
Solar cells are p-n junction diodes and are prone to parasitic resistances. High series resistances of a few ohms degrade the device performance, as do low shunt resistances. It is therefore necessary to determine these parameters since they are usef
Publikováno v:
Journal of Energy in Southern Africa, Volume: 26, Issue: 2, Pages: 53-63, Published: MAY 2015
Journal of Energy in Southern Africa, Vol 26, Iss 2, Pp 53-63 (2017)
Journal of Energy in Southern Africa, Vol 26, Iss 2, Pp 53-63 (2017)
Concentration photovoltaic (CPV) modules promise a more efficient, higher power output than traditional photovoltaic modules. This is achieved by concentrating sunlight onto a small 1 cm2 concentrator triple-junction (CTJ) InGaP/InGaAs/Ge cell by usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8e7cc950c27f61d193ce849ed7f6afc
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1021-447X2015000200006&lng=en&tlng=en
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1021-447X2015000200006&lng=en&tlng=en
Publikováno v:
Thin Solid Films. 517:2380-2382
Parameter extraction can be used as a tool to determine the optimum chalcogenization condition of the absorber layer in manufacturing thin film solar cells. In this paper, CuIn(Se 1 − y ,S y ) 2 solar cells fabricated at different selenization cond