Дисертації з теми "Solar power energy"
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Bengtsson, Tobias, and Håkan Hult. "Combining Solar Energy and UPS Systems." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148042.
Повний текст джерелаSolenergi och avbrottsfri kraftförsörjning (UPS) är två tekniker som växer snabbt. Efterfrågan på solenergi ökar huvudsakligen på grund av den snabba utvecklingen mot billigare solceller, vilket lett till att solenergi blivit lönsamt i en större mängd applikationer. I många områden är solenergi dock fortfarande inte kostnadsmässigt konkurrenskraftigt jämfört med traditionella energikällor, vilket gör en fortsatt sänkning av kostnaderna för solenergi till en viktig fråga för solenergiindustrin. Detta examensarbete har som syfte att undersöka om det är tekniskt möjligt att kombinera solenergi med UPS-system samt potentialen för ekonomiska synergier med denna kombination. Tidigare forskning inom området har endast undersökt denna kombination från en rent teknisk synvinkel. Detta examensarbete driver istället hypotesen att ett kombinerat solenergi- och UPS-system kan leda till större kostnadsbesparingar jämfört med ett traditionellt nätanslutet solenergisystem, även i ett stabilt elnät som i Sverige. En on-line UPS skyddar en känslig last genom att kontinuerligt likrikta och sedan åter växelrikta inkommande ström för att därmed både isolera lasten från nätet samt höja strömkvalitén. I UPS-systemet finns därmed en likströmsdel dit solpanelerna direkt kan kopplas istället för att skicka den genererade solenergin ut på elnätet. Därmed undviks inköp och installation av sol-växelriktare i solenergisystemet. Studien är uppdelad i tre delar. Första delen är en datorsimulering i MATLAB och syftar till att explorativt undersöka det kombinerade systemet för en optimerad design innan fysiska experiment utförs. Den andra delen av studien utgörs av experiment på ett fysiskt prototypsystem baserat på ett principiellt UPS- och solenergisystem. Den tredje delen av studien är en ekonomisk analys av både investeringskostnader och energibalanser som jämför ett kombinerat system (UPS & sol) med två separata system (UPS & sol separat). Resultaten från prototypsystemet visar att påkopplandet av solceller i en principiell UPS har mycket låg påverkan på UPS-systemets funktionalitet, samt att solcellerna som en extra energikälla under vissa driftförhållanden kan ha en positiv påverkan på UPS-systemet. För optimal prestanda kan dock en viss integration av systemen krävas. Resultatet från den ekonomiska analysen visar att ett kombinerat system har potential att sänka investeringskostnaden genom billigare komponenter. Ett kombinerat system kan även leda till en högre energibesparing jämfört med ett nätanslutet solenergisystem eftersom konverteringsförlusterna i UPS-systemet sjunker i det kombinerade systemet. Slutsatsen av studierna är att ett kombinerat solenergi- och UPS-system är tekniskt möjligt. Dessutom finns betydande ekonomiska synergier med ett kombinerat system. Detta innebär att ett kombinerat system kan vara lönsamt även i fall där ett separat solelsystem inte är det.
Dorn, Lawrence Tyrone. "NPS-SCAT electrical power system." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep_Dorn.pdf.
Повний текст джерелаThesis Advisor(s): Newman, James H. "September 2009." Description based on title screen as viewed on November 5, 2009. Author(s) subject terms: Satellite, CubeSat, NPS-SCAT, solar cell tester, Power system, Clyde Space, Spectrolabs, improved triple junction, solar power. Includes bibliographical references (p. 83-85). Also available in print.
Jain, Chinmay. "Design, control and implementation of grid tied solar energy conversion systems." Thesis, IIT Delhi, 2017. http://localhost:8080/xmlui/handle/12345678/7058.
Повний текст джерелаBafana, Ramzi, and Zain Zulfiqar. "Solar Energy." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2079.
Повний текст джерелаRamzi: +46723231353, +966561993488 Zain:
ZHANG, SHAN. "Analytical system for photovoltaic and concentratingsolar power generation." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174.
Повний текст джерелаGuoan, Christopher M. "Ground-based high energy power beaming in support of spacecraft power requirements." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Jun%5FGuoan.pdf.
Повний текст джерелаThesis Advisor(s): Sherif Michaels. "June 2006." Includes bibliographical references (p. 119-124). Also available in print.
Bialobrzeski, Robert Wetherill. "Optimization of a SEGS solar field for cost effective power output." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/24631.
Повний текст джерелаChen, Zhi Yuan. "Efficient power management design for energy harvesting biomedical applications." Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3952096.
Повний текст джерелаBroders, Adam C. "Combining of renewable energy plants to improve energy production stability." Worcester, Mass. : Worcester Polytechnic Institute, 2008. http://www.wpi.edu/Pubs/ETD/Available/etd-042908-132847/.
Повний текст джерелаPierce, Warrick Tait. "Solar assisted power generation (SAPG) : investigation of solar preheating of feedwater." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80139.
Повний текст джерелаENGLISH ABSTRACT: Solar Assisted Power Generation (SAPG) can be seen as a synergy of solar and fossil plants – combining the environmental benefits of the former and the scale, efficiency and reliability of the latter. SAPG offers great potential for cost effective utilization of solar energy on utility scale and could accelerate the adoption of solar thermal energy technologies in the short and medium term, especially in countries with a significant coal base and a good solar resource such as Australia, China, United States, India and South Africa. SAPG is the replacement of bled-off steam in a Regenerative Rankine power cycle. Power plant simulations were performed using weather data for Lephalale, South Africa (Matimba power station). With an increase in the solar field outlet temperature, an increase in overall solar to electric efficiency was observed, superior to a stand-alone Solar Thermal Power Plant(s) (STPP) at similar temperatures. The performance of four solar collector technologies was compared: flat plate, evacuated tube, Linear Fresnel (LF) and Parabolic Trough (PT). This comparison was limited to the normal incidence angles of irradiation. For this application, nonconcentrating technologies are not competitive. For non-normal incidence angles, annual simulations were limited to PT and LF at final feedwater heater temperatures. The actual aperture area of around 80 000 m2 was used (50 MW thermal based on LF). On an equal aperture area basis, PT outperforms LF significantly. For the conventional North-South arrangement, LF needs to be around 53% of the specific installation cost (in $/m2 aperture area) of PT to be cost competitive. A SAPG plant at Lephalale was compared to a stand-alone Solar Thermal Power Plant STPP in a good solar resource area, namely Upington, South Africa – Parabolic Trough solar collector fields of equal size were considered for both configurations. It was found that the annual electricity generated with a SAPG plant is more than 25% greater than a stand-alone STPP. If the cost of SAPG is taken as 72% of the cost of a stand-alone STPP, this translates into SAPG being 1.8 times more cost effective than stand-alone STPP. Furthermore, SAPG performs better in high electricity demand months (South African winter – May to August). Stand-alone STPP have been adopted in South Africa and are currently being built. This was achieved by the government creating an attractive environment for Independent Power Producers (IPP). Eskom, the national power supplier, is currently investigating solar boosting at existing Eskom sites. This report argues that on a national level, SAPG, specifically solar preheating of feedwater, is a more viable solution for South Africa, with both its significant coal base and good solar resource.
AFRIKAANSE OPSOMMING: Son ondersteunde krag generasie (SOKG) kan gesien word as sinergie van sonkrag en fossiele brandstof aanlegte – dit voeg die omgewings voordele van die eersgenoemde en die grote, effektiwiteit en betroubaarheid van die laasgenoemde by mekaar. SOKG opper groot potensiaal vir koste effektiewe gebruik van son energie op nutsmaatskappyskaal en kan die aanvaarding van sontermiese energietegnologieë in die kort en medium termyn versnel, veral in lande met beduidende kool reserwes en goeie sonkrag voorkoms soos Australië, China, Verenigde State van Amerika, Indië en Suid-Afrika. SOKG impliseer die vervanging van aftap stoom in die regeneratiewe Rankine krag kringloop. Kragstasie simulasies was gedoen met die gebruik van weer data van Lephalale, Suid-Afrika (Matimba kragstasie). Met die toename van die sonveld uitlaat temperatuur kon oorhoofse son-na-elektrisiteit effektiwiteit vasgestel word, wat hoër is as die van alleenstaande sontermiese krag stasie (STKS) by soortgelyke temperature. Die effektiwiteit van vier son kollekteerder tegnologieë was vergelyk: plat plaat, vakuum buis, lineêre Fresnel (LF) en paraboliese trog (PT). Die vergelyking was beperk tot normale inval van bestraling. Vir hierdie toepassing is nie-konsentreerende tegnologie nie mededingend nie. Vir nie-normale inval hoeke was jaarlange simulasies beperk tot PT en LF by finale voedingswater temperatuur. Die werklike opening area van omtrent 80 000 m2 was gebruik (50 MW termies gebaseer op LF). By gelyke opening area, uitpresteer PT LF beduidend. Vir die gebruiklike Noord-Suid rankskikking benodig LF omtrent 53% van die spesifieke installasie kostes (in $/m2 opening area) van PT om kostes mededingend te kan wees. ‘n SOKG aanleg by Lephalale was vergelyk met alleenstaande STKS in die goeie son voorkoms gebied van Upington, Suid-Afrika – Paraboliese trog kollekteerder velde van gelyke grote was oorweeg vir al twee konfigurasies. Dit was gevind dat die jaarlikse elektrisiteit gegenereer vanaf SOKG meer as 25% is as die van alleenstaande STKS. Indien SOKG oorweeg word met 72% van die kostes van alleenstaande STKS, dan beteken dit dat SOKG 1.8 keer meer koste effektief is as alleenstade STKS. Verder, SOKG presteer beter in die hoer elektrisiteitsnavraag maande (Suid- Afrikaanse winter – May tot Augustus). Alleenstaande STKS is gekies vir Suid-Afrika en word tans gebou. Dit is bereik deur dat die regering ‘n aantreklike omgewing geskep het vir onafhanglike krag produsente. Eskom ondersoek tans SOKG by bestaande Eskom persele. Hierdie verslag beweer dat op nasionale/Eskom vlak, SOKG, besonders son voorverhitting van voedingswater, meer haalbare oplossing is vir Suid-Afrika met sy beduidende koolreserwes en goeie son voorkoms.
Baziotopoulos, Con, and mikewood@deakin edu au. "Utilising solar energy within conventional coal fired power stations." Deakin University. School of Engineering and Technology, 2002. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060817.145445.
Повний текст джерелаBombelli, Paolo. "Harnessing solar energy by bio-photovoltaic devices." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610451.
Повний текст джерелаKim, Byungyu. "Solar Energy Generation Forecasting and Power Output Optimization of Utility Scale Solar Field." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2149.
Повний текст джерелаOggioni, Niccolò. "Modelling of microgrid energy systems with concentrated solar power." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264345.
Повний текст джерелаDenna master’s uppsats presenterar alla resultat från examensarbetet hos Azelio AB i Göteborg. Energy performance models för de vanligaste energiteknologerna i microgrid energisystemen designades och validerades. De forskade energiteknologerna var traditionella och bifacial solpaneler, vindkraft, energilagring genom Liion batterier och dieselgeneratorer. Modellerna användes för att simulera energiförsörjning av olika energisystem som representerar två isolerade byar i Queensland, Australia. Azelio’s CSP teknologi, som består av heliostater, värmenergilagring med phase change material och en Stirlingmotor, introducerades också. Genom att designa olika scenarier och key perfomance indicators, möjligheten att koppla av byarna ifrån det lokala kraftnätsystemet utforskades. Båda tekniska och ekonomiska synpunkter värderades. Det beslutades att 10 MW CSP kapacitet kan vara nog mycket för att nå energisjälvständighet om ytterligare backupkapacitet, t.ex. en dieselgenerator, eller demand side control strategies introducerades. Känslighetsanalys utforskade möjligheten att dela CSP systemet i två olika delar, där den med lägre kapacitet kunde avkopplas för att undvika onödig energiförsörjning. Om ekonomiska utförbarhet, off-grid system verkade dyrare än sådana system där byarna var fortfarande kopplat till det lokala kraftnätet.
Kamanzi, Janvier. "Thermal electric solar power conversion panel development." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2527.
Повний текст джерелаThe world has been experiencing energy-related problems following pressuring energy demands which go along with the global economy growth. These problems can be phrased in three paradoxical statements: Firstly, in spite of a massive and costless solar energy, global unprecedented energy crisis has prevailed, resulting in skyrocketing costs. Secondly, though the sun releases a clean energy, yet conventional plants are mainly being run on unclean energy sources despite their part in the climate changes and global warming. Thirdly, while a negligible percentage of the solar energy is used for power generation purposes, it is not optimally exploited since more than its half is wasted in the form of heat which contributes to lowering efficiency of solar cells and causes their premature degradation and anticipated ageing. The research is geared at addressing the issue related to unsatisfactory efficiencies and anticipated ageing of solar modules. The methodology adopted to achieve the research aim consisted of a literature survey which in turn inspired the devising of a high-efficiency novel thermal electric solar power panel. Through an in-depth overview, the literature survey outlined the rationale of the research interest, factors affecting the performance of PVs as well as existing strategies towards addressing spotted shortcomings. While photovoltaic (PV) panels could be identified as the most reliable platform for sunlight-to-electricity conversion, they exhibit a shortcoming in terms of following the sun so as to maximize exposure to sunlight which negatively affects PVs’ efficiencies in one hand. On the other hand, the inability of solar cells to reflect the unusable heat energy present in the sunlight poses as a lifespan threat. Strategies and techniques in place to track the sun and keep PVs in nominal operational temperatures were therefore reviewed.
Ray, Mike C. T. "Solar Data Analysis." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1078.
Повний текст джерелаWallentinsson, Måns, Clara Grönlund, Linus Rustas, and Emil Forsén. "Potential solar power installations within the municipality of Uppsala." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-359770.
Повний текст джерелаDarwish, Mazen. "Modular Hybridization of Solar Thermal Power Plants For Developing Nations." Thesis, KTH, Kraft- och värmeteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456.
Повний текст джерелаYazıcı, Osman Can Subaşılar Bedrettin. "Theoretical modeling and designing a line-focused horizontal -receiver- solar thermal power plant/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/enerjimuh/T000411.pdf.
Повний текст джерелаKeywords: Solar energy plant, solar collectors, fresnel lens, spherical geometry, solar tracking system. Includes bibliographical references (leaves 113-114).
Rudd, Timothy Robert. "BENEFITS OF NEAR-TERM CLOUD LOCATION FORECASTING FOR LARGE SOLAR PV." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/597.
Повний текст джерелаNithyanandam, Karthik. "Investigations on Latent Thermal Energy Storage for Concentrating Solar Power." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/23189.
Повний текст джерелаPh. D.
D, Pepe. "New techniques for solar power forecasting and building energy management." Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1072873.
Повний текст джерелаRallis, Evan. "Solar and Wind Energy Development in Maine: 1973-1997." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/RallisE2003.pdf.
Повний текст джерелаStrand, Anna. "Optimization of energy dispatch in concentrated solar power systems : Design of dispatch algorithm in concentrated solar power tower system with thermal energy storage for maximized operational revenue." Thesis, KTH, Kraft- och värmeteknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264410.
Повний текст джерелаKoncentrerad solkraft (CSP) är en snabbt växande teknologi för elektricitets-produktion. Med speglar (heliostater) koncentreras solstrålar på en mottagare som genomflödas av en värmetransporteringsvätska. Denna uppnår därmed höga temperaturer vilket används för att driva en ångturbin för att generera el. Ett CSP kraftverk är oftast kopplat till en energilagringstank, där värmelagringsvätskan lagras innan den används för att generera el. El säljs i de flesta fall på en öppen elmarknad, där spotpriset fluktuerar. Det är därför av stor vikt att generera elen och sälja den vid de timmar med högst elpris, vilket också är av ökande betydelse då supportmekanismerna för att finansiellt stödja förnybar energiproduktion används i allt mindre grad för denna teknologi då den börjar anses mogen att konkurrera utan. Ett solkraftverk har således ett driftsprotokoll som bestämmer när el ska genereras. Dessa protokoll är oftast förutbestämda, vilket innebär att en optimal produktion inte fås då exempelvis elspotpriset och solinstrålningen varierar. I detta examensarbete har en optimeringsalgoritm för elförsäljning designats (i MATLAB). Optimeringsscriptet är designat genom att för en given tidsperiod lösa ett optimeringsproblem där objektivet är maximerad vinst från såld elektricitet från solkraftverket. Funktionen tar hänsyn till timvist varierande elpris, timvist varierande solfältseffektivitet, energiflöden i solkraftverket, kostnader för uppstart (on till off) samt villkor för att logiskt styra de olika driftlägena. För att jämföra prestanda hos ett solkraftverk med det optimerade driftsprotokollet skapades även två traditionella förutbestämda driftprotokoll. Dessa tre driftsstrategier utvärderades i tre olika marknader, en med ett varierande el-spotpris, en i en reglerad elmarknad med tre prisnivåer och en i en marknad med spotpris men noll-pris under de soliga timmarna. Det fanns att det optimerade driftsprotokollet gav både större elproduktion och högre vinst i alla marknader, men störst skillnad fanns i de öppna spotprismarknaderna. För att undersöka i vilket slags kraftverk som protokollet levererar mest förbättring i gjordes en parametrisk analys där storlek på lagringstank och generator varierades, samt optimerarens tidshorisont och kostnad för uppstart. För lagringstank och generator fanns att vinst ökar med ökande storlek upp tills den storlek optimeraren har möjlighet att fördela produktion på dyrast timmar. Ökande storlek efter det ger inte ökad vinst. Ökande tidshorisont ger ökande vinst eftersom optimeraren då har mer information. Att ändra uppstartkostnaden gör att solkraftverket uppträder mindre flexibelt och har färre cykler, dock utan så stor påverkan på inkomst.
Bame, Aaron T. "Optimization of Solar-Coal Hybridization for Low Solar Augmentation." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/8942.
Повний текст джерелаFernandez, Randyll R. M. "A novel Photovoltaic Power Converter for military and space applications." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Sep%5FFernandez.pdf.
Повний текст джерелаClarke, Daniel. "Stand-alone solar-pv hydrogen energy systems incorporating reverse osmosis." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2015. https://ro.ecu.edu.au/theses/1750.
Повний текст джерелаRobb, David MacKenzie. "Model based predictive control with application to renewable energy systems." Thesis, University of Strathclyde, 2000. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=20379.
Повний текст джерелаLuce, Richard C. "Spacecraft power beaming and solar cell annealing using high-energy lasers." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Dec%5FLuce.pdf.
Повний текст джерелаThesis advisor(s): Sherif Michael, Oscar Biblarz. Includes bibliographical references (p. 75-78). Also available online.
Pacheco, Juliano de Pellegrin. "Otimização da energia geradas por painéis solares fotovoltaicos em sistemas isolados da rede elétrica." Universidade Tecnológica Federal do Paraná, 2009. http://repositorio.utfpr.edu.br/jspui/handle/1/905.
Повний текст джерелаEsta dissertação de mestrado apresenta o estudo, desenvolvimento e implementação de uma nova estrutura, composta por um conversor CC-CC bidirecional, conectada em paralelo com o sistema, para busca do ponto de máxima potência em painéis solares fotovoltaicos para aplicações isoladas da rede elétrica. Inicialmente são expostos os principais fatores que levaram à escolha do tema, assim como a problemática que motivou essa dissertação. Na seqüência é realizado um estudo sobre energia fotovoltaica, onde são mencionados os principais tipos de células fotovoltaicas e o comportamento de um módulo fotovoltaico em função da variação climática. Também são apresentados nesta dissertação os resultados do estudo, simulações, implementação e comparação entre os algoritmos de busca automática do ponto de máxima potência (MPPT) de módulos fotovoltaicos, baseados no método da Perturbação & Observação (P&O) e no método fuzzy. A seguir são mostrados os detalhes do funcionamento da nova estrutura proposta para busca do ponto de máxima potência (MPPT), onde se utiliza um conversor bidirecional (buck-boost) conectado em paralelo com o sistema, bem como o resultado das simulações da nova estrutura proposta que foram realizadas. Por fim, são apresentados os resultados experimentais dos ensaios realizados em laboratório e do comportamento de um módulo fotovoltaico real conectado à nova estrutura proposta. Os resultados experimentais comprovam a melhoria no rendimento do sistema fotovoltaico quando comparado com as soluções clássicas para a busca do ponto de máxima potência.
This work presents the analysis, design, and implementation of a new parallel connected structure, composed by a parallel bidirectional DC-DC power convert, for maximum power point tracking of stand-alone photovoltaic power generation systems. At first, the main factors that motivated the choice the topic of this work are presented. In sequence, the main types of photovoltaic cells and the photovoltaic panel characteristics in function of the climatic variation are analyzed. The study, implementation, comparison and simulation results of algorithm of maximum power point tracking (MPPT) also are presented in this work. The algorithm of MPPT are based in the method of Perturbation and Observation (P&O) and in the fuzzy method. Following, the characteristics of the new structure proposal, composed by a parallel connection bidirectional DC-DC converter simulations results. Finally, are presented the laboratorial experimental results and the behavior or a real photovoltaic module connected to the new structure proposal.
Cuamba, Boaventura Chongo. "Studies of the performance of photovoltaic power plant in a Southern African environment." Thesis, Northumbria University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245208.
Повний текст джерелаBliss, Martin. "Measurement system for fast power and energy rating of photovoltaic devices." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8336.
Повний текст джерелаRANAWEERA, CHAMINDA. "Electric Power System of an Emergency Energy Module." Thesis, KTH, Kraft- och värmeteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109304.
Повний текст джерелаEmergency Energy Module Project
Aljaism, Wadah A., University of Western Sydney, and School of Engineering and Industrial Design. "Control method for renewable energy generators." THESIS_XXX_EID_Aljaism_W.xml, 2002. http://handle.uws.edu.au:8081/1959.7/796.
Повний текст джерелаMaster of Electrical Engineering (Hons)
Ma, Anthony Winston. "Modeling and Analysis of a Photovoltaic System with a Distributed Energy Storage System." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/727.
Повний текст джерелаAlsagri, Ali Sulaiman. "Thermoeconomic and Optimization Analysis of Advanced Supercritical Carbon Dioxide Power Cycles in Concentrated Solar Power Application." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1528816504089412.
Повний текст джерелаGuerreiro, Luís. "Energy optimization of a concentrated solar power plant with thermal storage." Doctoral thesis, Universidade de Évora, 2016. http://hdl.handle.net/10174/25594.
Повний текст джерелаCalderón, Díaz Alejandro. "Study of solid particle materials as high temperature Thermal Energy Storage and Heat Transfer Fluid for Concentrating Solar Power." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/667863.
Повний текст джерелаPara continuar desarrollando la energía solar de concentración (CSP), se ha propuesto el uso de sólidos particulados. En este nuevo tipo de planta CSP de torre, se utilizan materiales sólidos granulados como Fluido de Transferencia de Calor (HTF) y material para el almacenamiento de energía térmica (TES). El objetivo principal de esta tesis es establecer la relevancia y proporcionar antecedentes, tanto teóricos como experimentales, sobre el uso de sólidos particulados para esta nueva tecnología. Durante este trabajo, la producción científica actual y la relevancia científica fueron estudiados mediante dos estudios bibliométricos, una para CSP y otra para TES. Para ambos análisis, se identificaron los países, regiones, autores, revistas, comunidades de investigación más productivos, el impacto del financiamiento y la cooperación entre países y autores. Para este fin, se utilizaron tres programas informáticos, de los cuales uno tuvo que se desarrollado a la medida. Se realizaron dos análisis del estado del arte para obtener el estado actual de desarrollo de las plantas CSP con uso de sólidos particulados. En el primero, se analizaron varios receptores solares, así como sistemas TES, intercambiadores de calor (HEX) y sistemas de transporte del material granulado. En el segundo, se llevó a cabo un estudio basado en los sólidos particulados, comprendiendo el comportamiento de estos materiales, así como recopilar los materiales potenciales. Se establecieron los criterios de diseño desde la perspectiva de los materiales, logrando encontrar los objetivos relevantes, y la influencia de las propiedades y parámetros de estos materiales. Se realizaron dos estudios sobre la durabilidad en cuanto a la exposición a altas temperaturas. El primero, se centró en analizar el efecto de la temperatura a largo plazo y su efecto en las propiedades ópticas, mecánicas, térmicas y químicas. El segundo, se centró en el efecto de los miles de ciclos térmicos esperados. Se desarrolló un nuevo dispositivo capaz de realizar los ciclos térmicos requeridos en las condiciones requeridas. Se desarrolló e implementó el diseño electrónico, de software y de hardware. Se caracterizaron las mismas propiedades analizadas en el primer estudio.
Murray, Daniel. "Small-Scale Solar Central Receiver System Design and Analysis." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/793.
Повний текст джерелаOgunmodimu, Olumide Oluwaseun. "Potential contribution of solar thermal power to electricity supply in Northern Nigeria." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/16957.
Повний текст джерелаMiranda, Gilda. "Dispatch Optimizer for Concentrated Solar Power Plants." Thesis, Uppsala universitet, Byggteknik och byggd miljö, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-402436.
Повний текст джерелаHiranvarodom, Somchai. "Design and analytical evaluation of stand-alone photovoltaic power systems for rural areas in Thailand." Thesis, Northumbria University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340072.
Повний текст джерелаBeidalah, Chadrick J. Coudray Aaron D. "The technologies and principles needed for the powering of remote nodes in an interoperability network." Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/March/09Mar%5FBeidalah.pdf.
Повний текст джерелаThesis Advisor(s): Buddenberg, Rex. "March 2009." Description based on title screen as viewed on April 24, 2009. Author(s) subject terms: Power Generation, Remote Network Node, Interoperability Network, Electric Generator, Wind Power, Solar Power, Photovoltaic, Thermoelectric, Energy Storage, Fuel Cell, Hybrid Power, Power Monitoring, Power Management. Includes bibliographical references (p. 117-120). Also available in print.
Reese, Justin. "Averaged Model of a Three-Port Solar Power Converter." Honors in the Major Thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/987.
Повний текст джерелаBachelors
Engineering and Computer Science
Electrical Engineering
Vourazelis, Dimitrios G. "Optimization in solar heating/photovoltaic systems." Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA242363.
Повний текст джерелаThesis Advisor(s): Titus, Harold A. Second Reader: Michael, Sherif. "December 1990." Description based on title screen as viewed on March 30, 2010. DTIC Descriptor(s): Heat Transfer, Theory, Theses, Costs, Heating Elements, Fluid Dynamics, Photovoltaic Effect, Solar Heating, Swimming, Optimization, Installation. DTIC Identifier(s): Swimming Pools, Solar Heating, Photovoltaic Supplies, Filter Pumps, Theses. Author(s) subject terms: Optimization, Solar Heating, Photovoltaics. Includes bibliographical references (p. 57). Also available in print.
Chien, Chih-Tao. "Carbon-based nanomaterials for solar energy harvesting and storage devices towards integrated power platform." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708903.
Повний текст джерелаAssembe, Cedric Obiang. "Integrated solar photovoltaic and thermal system for enhanced energy efficiency." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2387.
Повний текст джерелаSouth Africa has raised concerns regarding the development of renewable energy sources such as wind, hydro and solar energy. Integration of a combined photovoltaic and thermal system was considered to transform simultaneous energy into electricity and heat. This was done to challenge the low energy efficiency observed when the two solar energy conversion technologies are employed separately, in order to gain higher overall energy efficiency and ensure better utilization of the solar energy. Therefore, the notion of using a combined photovoltaic and thermal system was to optimize and to improve the overall PV panel efficiency by adding conversion to thermal energy for residential and commercial needs of hot water or space heating or space cooling using appropriate technology. The PV/T model constructed using water as fluid like the one used for the experimental work, presented a marginal increase in electrical efficiency but a considerable yield on the overall PV/T efficiency, because of the simultaneous operation by coupling a PV module with a thermal collectors.
Alpalhão, Ana Margarida Machado. "Equity research - Galp Energia SGPS SA : valuation of the power business unit." Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20710.
Повний текст джерелаEste projeto consiste num relatório de avaliação da empresa GALP Energia S.G.P.S., S.A., com especial foco na unidade de negócio de eletricidade e a contribuição dos seus projetos solares mais recentes para o preço-alvo de 2020YE. O relatório segue o formato recomendado pelo CFA Institute, uma vez que, grande parte do mesmo, foi submetido para o CFA Institute Research Challenge de 2020. A GALP é a principal Empresa Integrada de Petróleo em Portugal. Opera em toda a cadeia de valor do combustível fóssil, desde a extração do mesmo, o seu transporte e refinação, e por fim a comercialização dos diferentes subprodutos. Foi aplicada a abordagem de Soma das Partes para avaliar a GALP, aplicando o FCFF DCF a cada unidade de negócio, de forma a refletir todas as idiossincrasias de cada unidade. O resultado gerou um preço-alvo de 12,1€/sh. Foram também utilizados outros métodos para complementar a avaliação, como o FCFF DCF para a empresa como um todo, o FCFE DCF, o APV e o DDM. Foi ainda realizada uma análise complementar à contribuição dos projetos mais recentes da GALP em energia solar, para o preço-alvo inicial de 12,1€/sh, uma vez que o nosso relatório inicial não considerou esses projetos porque apenas foram anunciados após a conclusão do relatório inicial. Ao adicionar os investimentos mais recentes da GALP em projetos de energia solar, a minha recomendação de investimento fornece informações mais precisas e atualizadas aos investidores e às suas decisões de investimento. Este capítulo reforça a nossa recomendação de compra.
This project is an Equity Research of GALP Energia S.G.P.S., S.A., with a special focus on the value added by the power business unit's most recent solar projects to the initial 2020YE price target. The report follows the CFA Institute format, as a significant portion of it was submitted for the 2020 CFA Institute Research Challenge. Only public information released until January, 2nd 2020 was considered. GALP is the leading Portuguese Integrated Oil Company. It operates throughout the whole fossil fuel value chain, from extracting fossil fuel, to transporting and refining it, and then commercializing the different by-products. It was applied a Sum-of-the-Parts approach to value GALP, where a FCFF DCF was applied to each business unit, reflecting all the idiosyncrasies of each unit. The result yielded a final price target of 12.1€/sh. Other methods were also used to support the valuation, such as a FCFF DCF for the company as a whole, FCFE DCF, the APV and the DDM. A complementary analysis to the contribution of GALP's most recent projects in solar energy to the initial price target of 12.1€/sh was carried out, since our initial report didn't incorporate these projects, as they were announced after the initial report was concluded. By adding GALP's most recent investments in solar energy projects, I believe our investment recommendation provides more accurate and updated information to investors and to their investment decision. It is also of importance to highlight that this chapter further supports our buy recommendation.
info:eu-repo/semantics/publishedVersion
Shao, Hui. "System design and power management for ultra low energy applications using energy harvesting techniques /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?ECED%202009%20SHAO.
Повний текст джерелаHicks, Nathan Andrew. "Solar Power for Deployment in Populated Areas." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/141.
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