Sam includes models for the following kinds of csp systems. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator. This allows this type of collector to achieve the highest concentration ratios among all other type of solar. Parabolic trough collectors are frequently employed for solar steamgeneration because temperatures of about 300 can be obtained without any serious degradation in the collectors efficiency. Uses parabolic mirrors to concentrate solar radiation on linear tube receiver. By rajesh chhabara parabolic troughs have dominated the concentrated solar thermal power industry for the last two decades, winning the confidence of utilities and investors. Parabolic dish csp technology parabolic dish geometry concentrates light in a single focal point, i. Efficiency curves analysis of a parabolic trough solar. In this paper an experiment platform of a parabolic trough solar collector system ptcs was developed for thermal power generation, and the performance of the ptcs was experimentally investigated with synthetic oil as the circulate heat transfer fluid htf. Thermal efficiency enhancement of solar parabolic trough. Lcoe breakdown for a parabolic trough and solar tower plant in south africa. However, csp cost is not yet competitive with conventional alternatives. Lcoe reduction potential of parabolic trough and solar.
For mirrors, this cost reduction is accomplished through technology advances. With many challenges for solar photovoltaic technology to improve beyond its current efficiency levels, solar thermal technology is getting importance. Concentrated solar power csp how it works helioscsp. The global concentrated solar power market size was valued at over usd 3. Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. Nowadays, parabolic trough solar thermal plants are prevalent around the world. Pdf advances in parabolic trough solar power semantic. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolictrough system is in the range of 30100 table 8. In europe, the installed capacity of parabolic trough plants in operation reaches 1650 mw and 623 mw are under construction. The largest single parabolic trough installation yet proposed is called solana, and is planned for a site in nevada.
In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe. Automatic control of a parabolic trough solar thermal. Parabolic trough collector can compete with traditional fossil fuel based power plants. The major task behind this research work is to increase the efficiency of the parabolic trough. Design of a 25 mwe solar thermal power plant in iran with. Advances in concentrating solar thermal research and technology provides detailed information on the latest advances in cst systems research and technology. The facility, with nine separate plants, is located in the mojave desert in california. Parabolic trough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. The experimental evaluation of the efficiency of first law in a ptc as the solar angle of incidence changes around the noon is presented in this paper. Department of energy doe solar program goal of developing parabolic trough power plants, power towers, and dish stirling systems that are costcompetitive with conventional fossil fuel power technologies.
Parabolictrough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. Parabolic trough how parabolic trough works solar fields using trough systems capture the suns energy using large mirrors shaped like a parabola, or a giant u, that are connected together in long lines that track the suns movement throughout the day. Parabolic trough plants are the most mature solar power technology, but no largescale plants have been built in over a decade. One of the method to improve thermal performance of parabolic trough collector system is used to nanofluid as working. In diffused light, there is an inability to focus sunlight efficiently and the output decreases dramatically. Distinguishing between parabolic trough power plants, fresnel power plants, solar tower power plants and dishstirling systems, the parabolic trough power plants provide over 90% of the capacity of concentrating solar power plant technology that is in operation or in construction in september 2010. A food processing facility in modesto, california uses parabolic troughs to. Parabolic trough, molten salt and direct steam power towers, molten salt and direct steam linear fresnel, dish stirling, a generic csp model, integrated solar combined cycle. Estimated lcoe for parabolic trough and solar tower projects in 2011 and 2020 33 table 6.
Concentrating solar thermal power csp and in particular parabolic trough, is a proven largescale solar power technology. In singleaxis tracking technology, the conventional parabolic trough collector is the mainstream established technology and is under continued development but is soon to face competition from two linear fresnel reflector lfr technologies, the clfr and solarmundo. But in the solar tech race, is there room for more than one leader. One of the most matured solar thermal technology commercially been used today is the solar parabolic trough power plants. The parabolic trough technology is the most mature available on the market with a track record since the 1980s. The 10 mw solar one power tower was developed in southern california in 1981, but the parabolic trough technology of the nearby solar energy generating systems segs, begun in 1984, was more workable. It promotes a deep understanding of the challenges the different cst technologies are confronted with, of the research that is taking place worldwide to address those challenges, and of the. As of 2014, the largest solar thermal power systems using parabolic trough technology include the 354 mw segs plants in california, the 280 mw solana generating station with molten salt heat storage, the 250 mw genesis solar energy project, the spanish 200 mw solaben solar power station, and the andasol 1 solar power station. Solar energy represents a huge domestic energy resource. Assessment of parabolic trough and power tower solar.
Pdf eckhard lu pfert advances in parabolic trough solar. Parabolic trough linear concentrating systems are used in the longest operating solar thermal power facility in the world, the solar energy generating system segs. Heat transfer analysis of receiver for large aperture. High temperature storage solar thermal application pdf. Advances in solar power generation and energy harvesting pp 7148 cite as thermal efficiency enhancement of solar parabolic trough collector using nanofluids. The solargenix advanced trough development project was initiated in the year 2000 with the support of the doe csp program and, more recently, with the added support of the nevada southwest energy partnership. Advances in parabolic trough solar power technology. We are interesting to improving performance of parabolic trough collector because they are used very much. Parabolic trough power plants are the only types of solar thermal power plant technology with existing commercial operating systems. Experimental investigation on a parabolic trough solar. Currently, the cost of power generation from ptsc is expensive as compared with conventional power generation. The cost, performance, and risk of parabolic trough technology are fairly well established by the experience of the existing operating parabolic trough plants. This technology attracts intentions in 1980s due to oil crises.
Parabolic trough collector technology fresnel systems tower power plants tests and quality assurance more than 95 % of the commercially operated solar thermal power plants are parabolic trough systems. Life cycle assessment of a parabolic trough concentrating solar power plant and the impacts of key design alternatives john j. Life cycle assessment of a parabolic trough concentrating. A limited number of plants and installed capacity in a small challenging market environment make reliable and transparent cost data for csp difficult to obtain. Parabolic trough solar concentrating systems are an advanced and matured technology. Solar thermal energy ste is a form of energy and a technology for harnessing solar energy to. Concentrating solar power csp technology solar peis. The capital power generation cost can be reduced by increasing aperture sizes of the collector. Each solar collector has a linear parabolicshaped reflector that focuses the suns direct beam radiation on a linear receiver located at the focus of the parabola. Energy supply and solar resource potential each year, the united states is becoming more dependent on foreign sources of energy. Design of a parabolic trough solar collector using a. The parabolic trough is single tracking technology. Solar cells can provide some output even in diffused light, not so the case in solar parabolic troughs.
Eckhard lu pfert advances in parabolic trough solar power technology. Parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants that are operating in the california mojave desert. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolic trough system is in the range of 30100 table 8. The moment for solar power tower technology has arrived. Parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for. Tower, trough, fresnel or dish posted on june 12, 2018 september 21, 2019 author 48 comments all concentrating solar power csp technologies use a mirror configuration to concentrate the suns light energy onto a receiver and convert it into heat. Parabolic trough plants require large amount of land while solar. Many country choose these technology in solar power station and produce heat energy at lower prices. Developing solar thermal power technology in an effective manner is a great challenge in china. Concentrated solar power csp market report 20192029.
References for the solar process heat models are listed separately below. Given this lengthy lull in deployment, our first project objective was development of improved trough technology for nearterm deployment, closely patterned after the best of the priorgeneration troughs. Reducing the cost of energy from parabolic trough solar. Current power plants in spain are limited to 50 mw per plant by the special regime. Design and fabrication of parabolic trough solar water. Further efforts are needed to make it economically viable, improve performance and capability of parabolic trough technology for solar electric power generation. Lcoe of csp parabolic trough and solar tower projects under different discount rate assumptions 37 cost analysis of concentrating solar power.
Parabolic trough systems use curved mirrors to focus the suns energy onto a. Parabolic trough collectors are frequently employed for solar steam generation because temperatures of about 300 can be obtained. Advances in parabolic trough solar power technology parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants that are operating in the california mojave desert. Read more about this exciting technology and the power plants using csp.
These pla developed by luz international limited and referred to as solar electric genera systems segs, range in size from 14 80 mw and represent 354 mw of. Parabolic trough solar thermal electric power plants fact. A brief video showing how concentrating solar power works using a parabolic trough system as an example is available from the department of energy solar. Us department of energy office of scientific and technical information. Advances in concentrating solar thermal research and. Advances in parabolic trough solar power technology parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants that are operating. Parabolic trough solar collector ptsc is one of the most proven technologies for large. Parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants. The plant exhibits nonlinearities as well as resonance characteristics that lie well within the desired control bandwidth. Archived from the original pdf on 15 september 2014. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. Parabolic trough solar thermal electric power plants parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for the future.
Concentrated solar power market size, analysis industry. About 60% of the plants which have been registered for the fit include a molten salt twotank system providing 7. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. The 354 mw segs is still the largest solar power plant in the world, and will remain so until the 390 mw ivanpah power tower project comes online. Parabolic trough solar technology is the most proven and lowest cost largescale power technology available today, primarily because of the nine large commercials solar power plants that are operating in the california mojave desert. Concentrating solar power csp, with an installed capacity of 4. The application of parabolic trough collector ptc technology is a clean and new way to produce industrial process heat. Concentrated solar power systems generate solar power by using mirrors or lenses to. Turchi national renewable energy laboratory, 1617 cole blvd.