Pdf design of novel compound fresnel lens for high. Find solar concentrator fresnel lens arrays related suppliers, manufacturers, products and specifications on globalspec a trusted source of solar concentrator fresnel lens arrays information. Study of performance of fresnel lens solar concentrator. The principal elements of a solar concentrator are a rigid supporting unit and a mirror or lens part. Current status of concentrator photovoltaic cpv technology. The largest compositetype solar concentrator, with a mirror surface of 20,000 sq m, has been planned in the ussr for a solar thermal power plant.
The fresnel lens used in solar energy,raw materials adopt antiaging of pmma, and made out of ultra. Solar concentrator article about solar concentrator by the. This paper presents a proposal of a new configuration of an optical concentrator for photovoltaic application which may enhance the efficiency of solar cells. Some people use the same principle when they use a magnifying lens to focus the suns rays on a pile of kindling or paper to start fires. A fresnel lens can be more compact essentially flat however, the materials choice is either plastic which may have uv stability and scratch resistance problems or glass which is fragile and the shape is h. Whereas fresnel lens is a refractive concentrator, all the incident solar beams are concentrated on opposite side of lens, thus solar beams not attenuated on account of opacity of intervene absorber body as in latter case. In addition, the change of refractive index due to temperature variation in outdoor operation conditions is also considered in the design. A stowable and deployable concentrator for solar cells. We offers a complete range of fresnel lenses sizes and types. Buy fresnel lens solar concentrator and get free shipping on. We investigate and develop single stage and multistage concentrator designs based on reflective e. Can i use fresnel lens before a solar panel to increase.
What design concentrates solar thermal power better. Csp parabolic solar collector, fresnel lens solar concentrator, csp parabole manufacturer supplier in china, offering parabolic solar concentrator fresnel lens solar concentrator, eec approved new electric car l7e lithium battery, eec certificated l7e 4 seaters electric new cars with speed of 60km ternary lithium battery left and right hand driving and so on. A novel, highefficiency, extremely lightweight, robust stretched fresnel lens solar concentrator for space power is described. Merge pdf, split pdf, compress pdf, office to pdf, pdf to jpg and more. Jul 15, 2014 this depends on what you mean by better. Collectors based on the linear fresnel reflector design are leading the pack. You may not be too excited about the collection of solar energy, but you would want a fub description of the optical performance of the lens. Yeh and others published illumination uniformity issue explored via twostage solar concentrator system based on fresnel lens and compound flat concentrator. Improved fresnel lens concentrator for solar cells. Csp supports reduction in the capital investment, land use, compact plant size, less payback period etc. Tiny lenses and mirrors may bring concentrating solar power to the rooftop. In addition, cpv systems often use solar trackers and sometimes a cooling system to further. Download this app from microsoft store for windows 10, windows 10 mobile, windows 10 team surface hub, hololens, xbox one. Concentrator optics concentrate incident radiation onto thermal or photovoltaic receivers.
Tiny lenses and mirrors may bring concentrating solar. A wide variety of fresnel lens solar concentrator options are available to you, such as pet, plastic. Renewable energy resources, solar energy, solar concentrator. The grooved structure of this surface is easily contaminated, needing frequent cleaning.
Design and machining of fresnel solar concentrator surfaces. Sep 09, 2011 lens parameters that will be interrogated include focal length, index of refraction, prism fidelity, aperture, transmission and concentration ratio. Improved fresnel lens concentrator for solar cells uc solar. Jun 14, 20 sharp corporation has achieved the worlds highest solar cell conversion efficiency of 44. Fresnel lenses are inherently single surface lenses. The use of solar energy requires optimizing each part of a photovoltaic system. The overall efficiency of fresnel lens solar concentrator is around 51% and can generate process steam required in the industry. Each groove is approximated by a flat surface that reflects the curvature at that position of the conventional lens, so each groove behaves like an individual prism. Concentrator photovoltaics cpv also known as concentration photovoltaics is a photovoltaic technology that generates electricity from sunlight. This fresnel uv resistant solar lens has a different surface opposite the fresnel side that actually transfers maximum light to the target. In the phase space at a reference line z constant, a ray crossing that line at coordinate point x is represented as a phasespace point x,p, where p is the direction cosine with respect to the x axis multiplied by the local refractive index 9. One embodiment of the new concentrator includes means for lens deployment on orbit in space.
Concentrated solar power systems have until recently focused on bulk electricity production, with the main focus on solar towers and trough type collectors. Research article concept of beeeyes array of fresnel. In particular, this defines the features of calculation of fresnel lenses. The generation of electricity from sunlight is not costeffective in many situations because of the inherent limitations of photovoltaic pv cells and typical lighting conditions. Recent developments have focused on smaller units to supplement thermal power stations and to provide heat for industrial processes. Comparative study of fresnel lenses and mirrors in concentrated. The fresnel principle the linear fresnel reflector technology receives its name from the fresnel lens, which was developed. Design of novel compound fresnel lens for highperformance photovoltaic concentrator. It will also analyse on some of the existing solar concentrators used in the solar technology for the past four decades. The lens system was compared to a commercial parabolic trough collector. Conceptual design study of a 5 kilowatt brayton power.
Linear fresnel lens concentrator panel mark oneill, a. A practical optimization design is proposed, in which the solar direct light spectrum and multijunction cell response range are taken into account in combination, particularly for the fresnel concentrators with a high concentration and a small aspect ratio. Solar concentrators an overview sciencedirect topics. Simple optics and raytracing techniques are used to. Fresnel lenses or dielectric secondary concentrators for linear or spot focusing systems in low, medium and high concentration applications. Us6075200a stretched fresnel lens solar concentrator for. High performance fresnelbased photovoltaic concentrator. These lenses are also used as a solar energy concentrator for solar furnaces. Diy solar concentrator instructions released by energytorrent. The fresnel lens is linear and flexibly mounted in a shaper which shapes it to a proper curvature in the deployed.
Buy fresnel lens solar concentrator and get free shipping. There are several reasons why fresnel lenses are not frequently used for solar energy collection. On this channel you can get education and knowledge for general issues and topics. We make the big fresnel lens for solar concentrating. Tiny lenses and mirrors may bring concentrating solar power. The solar concentrator fresnel lenses are designed its plano side to face the sun parallel light source, and the fresnel surface to face photovoltaic cells focus. Fresnel lens type energy concentrator for spacebased solar po3 wer systems article no. It is also important to secure a high use coefficient of the concentrated flux. Solar concentrators are deployed to harness both type of power viz. In order to compactly represent a large variety of lens configurations, some variables that define the fresnel lens will be parameterized. If youre still in two minds about fresnel lens solar concentrator and are thinking about choosing a similar product, aliexpress is a great place to compare prices and sellers.
Low pressure steam generation by solar energy withfresnel lens. Protective coatings are of prime interest for solar power concentrator arrays and ultralight inflatable fresnel lens solar concentrators. Mar, 20 a solar concentrator diy can seem like the easiest thing in the world if someone else is doing the hard work a guy who calls himself grant thompson used a fresnel lens from a dismantled old toshiba projection tv and shows the world on youtube how his diy solar concentrator can scorch nearly anything from pennies and concrete to eggs. Solar concentrators that are used to collect solar radiation over cell include. Development of fresnelbased concentrated photovoltaic. Mcdanal, don spears, clay stevenson and david gelbaum. In this paper, a new model of a multilevel fresnel lens concentrator photovoltaic system that mimics natural beeeyes structural olar uxdistributionandthe optical concentration e ciency on the module are investi. The thermal performance and cost benefits of fresnel lens solar concentrator are also described. Comparison of solar concentrators ari rabl solar energy group, argonne national laboratory, argonne, il 60439, u. The fresnel lens fl is a flat optical solar concentrator. Sarah kurtz national renewable energy laboratory nrel in golden, colorado, usa. Linear fresnel systems and the future for concentrated.
In this context this paper presents a life cycle assessment lca of a fresnel lenses solar concentrator prototype, realized for electric and thermal energy microcogeneration and equipped with. The size of the solar lens is 1040mm x 780mm, thickness is 3mm. The production of commonlyused silicon pv cells demands expensive semiconductor fabrication methods. The newly released documentation provides information allowing anyone to manufacture a fresnellens solar concentrator called diversity capable of delivering 260 degrees centigrade in the. The solar concentration characteristics, including defocusing sen sitivities, of a perfectly tracking, line focusing fresnel lens have been. Beeeyes array fresnel lenses concentrator proposed here provide high concentration factor which is greater thanx at the 20th zone. Fresnel lens solar magnifying glass for optical scorcher. Osa high performance fresnelbased photovoltaic concentrator. In cpv systems, point focus fresnel lenses are generally used. Solar concentrators rensselaer polytechnic institute. Solar concentrator modules with siliconeon glass fresnel lens. It is an extremely easy, blazing fast and highly secure app to merge and split your pdf document. Optical efficiency of solar concentrators by a reverse optical path method article pdf available in optics letters 3318.
You may be a researcher in some optical science interested in the core subject of this book. In 1994, aecable joined the refractive concentrator team and led the development of the scarlet solar concentrator array using. A solar concentrator uses lenses, called fresnel lenses, which take a large area of sunlight and direct it towards a specific spot by bending the rays of light and focusing them. In addition, the system also provides room for increasing the number of zones to achieve the high. Bett fraunhofer institute for solar energy systems ise in freiburg, germany kelsey horowitz, dr. Some people use the same principle when they use a magnifying lens to focus the suns ra.
Fresnel lens solar concentratorderivations andsimulations. A solar concentrator diy can seem like the easiest thing in the world if someone else is doing the hard work a guy who calls himself grant thompson used a fresnel lens from a dismantled old toshiba projection tv and shows the world on youtube how his diy solar concentrator can scorch nearly anything from pennies and concrete to eggs. If these advantages are sufficiently strong in relation to the lower solar toelectric efficiency, than fresnel power plants represent an interesting alternative to parabolic trough power plants. Concept of beeeyes array of fresnel lenses as a solar. To keep the solar cell cool i put it inside a container filled with transparent mineral oil see photos below. Awnings bearings bicycle brayton bubble pumps candles compressor concentrators concrete control lighting cooling dental dish dishfresnel electronics emi engines fiber optics flat plate friends patents hbridge heat pipes heliostat holographic hydrogen internal combustion involute ignitor instrumentation insulation interesting patents don lancaster lensfresnel lighting. This paper describes the design and optimization of a nonimaging fresnel lens for use in a solar thermal collector with low concentration ratio intended to provide the driving heat source for a sorption heat pump cycle, operating on solar heat of 80250c. The study of performance of fresnel lens solar concentrator and steam generation using fresnel lens solar concentrator is presented in this paper.
Highefficiency multijunction mj solar cells, being very expensive to manufacture, should only be used in combination with solar concentrators in. Jul 31, 2001 you may be a researcher in some optical science interested in the core subject of this book. Using a continuous rolltoroll process, 3m can now rapidly massproduce the linefocus silicone lens material in any desired quantity. This paper presents an advanced concentrator optic comprising a fresnel lens and a refractive secondary element, both with broken rotational symmetry, an optic producing both the desired light concentration with high tolerance high acceptance. A solar concentrator uses a lens or reflector to capture sunlight from a wide area and focus it onto a small area where a photovoltaic convertor device is located. Sharp corporation has achieved the worlds highest solar cell conversion efficiency of 44. It consists of a flexible fresnel lens attached to end supports, wherein said end supports stretch the lens to maintain its proper position and shape on orbit in space. Pdf optical efficiency of solar concentrators by a reverse. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a.
For sale by the national technical information service, springfield, virginia 22161. A conceptual representation of a solar concentrator used in harnessing the power from the sun to generate electricity is shown in figure 1. Entech solar s lens versus a reflective concentrator results are equally applicable to linefocus or pointfocus concentrators lens and reflector both have. China new linear fresnel lens for solar water heating f. Research article concept of beeeyes array of fresnel lenses as a solar photovoltaic concentrator system nuralimanchiromawa 1,2 andkamarulaziziibrahim 1 nanooptoelectronics research and technology laboratory, school of physics, universiti sains malaysia usm. Illumination uniformity issue explored via twostage solar. It is easy to forget that you, dear reader, may not be one of those who work inexactly the same field as we do. Unlike conventional photovoltaic systems, it uses lenses or curved mirrors to focus sunlight onto small, highly efficient, multijunction mj solar cells. Keywords solar concentrator, fresnel lens, reflecting materials, solar. It has to be placed on the way of incident rays, which is an obstruction and attenuate the quantum of incident solar beams. In solar engineering, in contrast to image optics, fresnel lenses are intended for securing the required concentrations of solar radiation and its distribution over a receivers surface. The lens is manufactured of polycarbonate, which is high temperature resistant, and has a.
Fresnel lens solar concentrator derivations and simulations. In order to achieve competitive system costs in massproduction, it is essential that cpv concentrators incorporate sufficient manufacturing tolerances. Are fresnel lenses widely used for solar electricity. Current status of concentrator photovoltaic cpv technology version 1. Their use there would mean that you could produce heat within a fraction of a second, up to a few. A row of fresnel lens elements is mounted to the substrate so as to be deflectable toward the substrate in a stowed configuration and biased away from it in the deployed configuration. Design and analysis of a highefficiency, costeffective. Oct 23, 2010 this fresnel uv resistant solar lens has a different surface opposite the fresnel side that actually transfers maximum light to the target. Concentrator solar cell with worlds highest conversion. New technology may make technology to concentrate sunlight to produce more electricity more feasible.
Pdf fresnel lens is found to simplify the system structure and enhance the performance of photovoltaic systems. Thermal analysis of a linear fresnel lens solar collector with black body cavity receiver 107 the lens considered in this study is a flat nonimaging fresnel lens fig. Concentrated solar power experiment with a fresnel lens. Table 1 is showing worldwide population of solar concentrator based projects. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a deal by getting the cheaper item. The design and performance of each concentrator will be explained and compared. This lens is about 25% more powerful than a traditional. This is an experiment i did concentrating sunlight onto a single silicon solar cell using a 2 foot by 4 foot fresnel lens which id taken from a rear projection tv. Fresnel lens, parabolic concentrator, compound parabolic concentrator cpc, parabolic trough, vgroove mirrors, refractive prism, and luminescent glass. Design and analysis of a highefficiency, costeffective solar concentrator john h. Research article concept of beeeyes array of fresnel lenses. Parabolic solar concentrator fresnel lens solar concentrator. I was just wondering why fresnel lenses are not widely used in the production of solar electricity.
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