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. Twotank molten salt storage for parabolic trough solar power plants article pdf available in energy 295. Assessment of technology options for development of. Parabolic trough solar fields show a large seasonal variation in efficiency while power tower plants are shown to benefit from relatively consistent solar field efficiency throughout the year. Modelling of solar thermal power plant using parabolic. Introducing large amounts of electricity produced from variable renewable energy sources such as wind and solar decreases wholesale electricity price while increasing. Determining the optimum itd for a plant with the las vegas climate file based on. Contribute to sinan1983 parabolic trough power plant performanceptppp development by creating an account on github. Pdf solar thermal power plants with parabolictrough collectors. Parabolictrough solar thermal power plant simulation. In 1911, the first parabolic trough plant, a 55 kw pumping station, started operation in egypt. The facility, with nine separate plants, is located in the mojave desert in california. Costbased design optimization of the heat exchangers in a. Concentrated solar power csp is a method of electric generation fueled.
The comparison of simulations against experimental performance currently. Parabolic trough and power tower plants parabolic trough fig. Phase 1 analyzed the feasibility, cost and performance of a parabolic trough solar power plant with a molten salt heat transfer fluid htf. Building new conventional power plants is not an easy. A thorough economic analysis of the heat exchangers of the steam generator and oiltosalt heat exchangers of a 50 mwe parabolic trough power plant is presented. Currently, kuwait is one of the highest emitters of carbon dioxide co 2 per capita in the world 31 metric tons per capita, most of which comes from power plants. Hybrid concepts are most suitable for utility application since they offer high power. For this purpose, 1 mw solar thermal power plant near gu r. It will become obvious on the sample simulation runs that the variation of the solar irradiance given by different sources for a specific site has a high influence on the expected operation results of new power plants. 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. Molten salt power tower cost model for the system advisor model sam. Scheduled to be completed by summer 2008, the worlds biggest solar power plant targets to cover the energy demand of 50,000 households. For this case the fossil is used as a fuel to help meet the desired energy output of the system. Energy supply and solar resource potential each year, the united states is becoming more dependent on foreign sources of energy.
Parabolic trough power plant w 2tank indirect molten salt thermal storage hx hot salt tank. The three main types of solar thermal power systems are. Dni, solar multiple and hours of thermal storage for least cost of power generation for parabolic trough based solar thermal power plants at 4 niche locations in india. The impact of dispatchability of parabolic trough csp plants. Economic optimization of a kalina cycle for a parabolic. In this paper, parabolic trough solar thermal plants are proposed.
The baseline 2010 plant is a wetcooled, superheated steam power blockthat uses synthetic oil. Concentrated solar power environmental and energy study institute. The present cost of mirrors, lenses, support structure and plant for concentrated solar thermal power, and of the highefficiency multijunction cells, concentrating optics and twoaxis tracking systems for concentrated photovoltaic power, has made operational concentrated solar power plants uncompetitive in most scenarios. The plant configuration typically includes a supplemental fossil fuel energy source to back up the solar field in periods of low insolation. Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide. The high temperature heat from parabolic trough collectors can be used for producing. A parabolic trough solar power plant simulation model. Lcoe reduction potential of parabolic trough and solar tower csp technology until 2025. Work on their development was begun over 100 years ago. Nowadays, parabolic trough solar thermal plants are prevalent around the world.
Aug 15, 20 executive summary this final report for the development of moltensalt heat transfer fluid htf technology for parabolic trough solar power plants describes the overall project accomplishments, results and conclusions. Appropriate storage concepts and technical options are. Aug, 2014 in a parabolic trough plant, a set of parabolic shaped mirrors is set on a structure so they can track the movement of the sun and concentrate solar radiation onto a receiving tube. Dlr and sandia national laboratories snl have developed a special library for use with the trnsys thermal simulation software, to model parabolic trough solar power plants 5. And capital cost projections for parabolic trough solar plants. This paper addresses two important concerns of the design of steam generators of parabolic trough power plants. But in the solar tech race, is there room for more than one leader.
Parabolic trough collectors are able to deliver high temperature heat, which is a basic condition for the efficient utilisation of great amounts of solar heat in hotels. Plantwide control of a parabolic trough power plant with thermal energy storage. Long, curved mirrors pivot to concentrate sunlight onto. In view of above, our study is planned to construct and develop a standard model using trnsys software for forecasting the energy generation of csp plants. The moment for solar power tower technology has arrived. The thermal energy concentrated in a csp plant can be stored and used to. Worlds biggest solar power plant under construction in spain. The first solution is the hybridization of the solar power plants with fossil backup systems. Parabolic trough linear concentrating systems are used in the longest operating solar thermal power facility in the world, the solar energy generating system segs. The consumption of these power plants would reach more than 26% of kuwaits total oil production by 2020 alotaibi, 2011. Solar thermal power plants firm capacity with 100%. Plant overview figure 1 shows a process flow diagram that is representative of the majority of parabolic trough solar power plants in operati on today. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. 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.
They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca. Simulation and performance evaluation of parabolic trough. This project is therefore aimed at evaluating the parasitic load consumption on andasol 3 power plant, which is a 50 mw parabolic trough power plant with 7. Parabolic dish systems power a small heat engine at the focal point of the collector. Solar power can be transmitted through grid either from solar photovoltaic or solar thermal technology. In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe.
Parabolic trough history the solar energy generating systems segs after the second oil crisis the first nine commercial parabolic trough power plants have been built between 1984 and 1991 in california, usa. 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. Solar irradiation is concentrated 7080 times on a receiver tube, which is situated in the focal line of a parabolic trough mirror. The code, named as ptpppp parabolic trough power plant performance. Energy information administration eia independent statistics and analysis. Identifying optimal combinations of design for dni, solar. The concept of the iscc as a parabolic trough solar plant integrated with modern combined cycle power plants was initially proposed in the early 1990s by luz solar international, the builders of the segs trough plants in california 1, 5. In the project wespe that is described in this paper, solid media sensible heat storage materials have been researched. Solar irradiation is concentrated 7080 times on a receiver tube, which is situated in the focal line of a parabolictrough mirror. Parabolic trough solar thermal electric power plants fact sheet. An engineer passes giant sunmirrors at the parabolic trough power plant andasol1 near guadix, spain, 07 march 2008. The implementation of parabolic trough in large scale power plants is an effective solar energy option in an arid and semi. Thermal analysis of a cspbiogas hybrid power plant. Executive summary this final report for the development of moltensalt heat transfer fluid htf technology for parabolic trough solar power plants describes the overall project accomplishments, results and conclusions.
Medium temperature solar concentrators parabolictroughs. Solar thermal power plants firm capacity with 100% renewables. Development of moltensalt heat transfer fluid technology. Around 1880, swedishborn american john ericsson powered his hotair engine using a parabolic trough collector. Application solution guide concentrated solar power. Parabolic trough power plants use parabolic trough collectors to concentrate the.
The electric power output from the system at a given incident radiation depends on the system efficiency, defined as the product of the solar field efficiency and the power cycle efficiency. The thermal energy concentrated in a csp plant can be stored and used to produce electricity when it is needed, day or night. What are the milestones in the history of parabolic trough power plants. August 2429, 2014 plantwide control of a parabolic trough power plant with thermal energy storage michael jost, wolfgang grote, florian m. Validation of lagsol parabolic tro olar power plant. The southern region of pakistan is receiving perfect amount of solar radiations comparable to one of the best in the world. Parabolictrough power plants utilize proven technology. Parabolic trough collector power plant performance simulation for an interactive solar energy atlas of saudi arabia mercedes ibarra, miguel frasquet, abdulaziz al. Two key parameters, solar multiple sm and full load hours of thermal energy. High efficient utilisation of solar energy with newly. Pdf performance optimisation of parabolic trough solar thermal. Parabolic trough solar technology is the most proven and lowest cost largescale solar. Concentrating solar power overview concentrating solar power csp plants use mirrors to concentrate the energy from the sun to drive traditional steam turbines or engines that create electricity.
Us department of energy office of scientific and technical information. The skytrough is a high performance parabolic trough concentrating solar collector for use in. The relationships presented here are straightforward to implement and evaluate, relating the heat transfer within the solar collectors to the power cycle and the efficiencies of the various components. The target of the national solar mission is to build up india as a worldwide pioneer in solar energy generation. The model accommodates normal quasisteadystate conditions, daily startup. For parabolic trough power plants using synthetic oil as the heat transfer medium, the application of solid media sensible heat storage is an attractive option regarding investment and maintenance costs. Parabolic trough solar thermal electric power plants parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for the future.
Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. Design, analysis and optimization of 50mwe solar thermal. Sams physical trough model to estimatewas used the 2010 and future year costs of the parabolic trough technology. This paper investigates the impacts of dispatchability of parabolic trough concentrated solar power ptcsp systems over pv power plants in palestinian territories. A new generation of parabolic trough technology energy. These systems offer a wide range of opportunities to reduce costs of the energy supply. Focusing the suns rays with a magnifying lens allows temperatures to be achieved that can set paper alight. Final report on technical data, costs, and life cycle inventories of. Parabolic trough power plants are the only types of solar thermal power plant technology with existing commercial operating systems. Parabolic trough power plants utilize proven technology.
This was followed in 2011 with a life cycle assessment for a parabolic trough power plant with 6 hours of thermal energy storage 3. Parabolic trough technology is the advanced and commercially used power plant in the world. Parabolic trough collector power plant performance simulation for an interactive solar energy atlas of saudi arabia mercedes ibarra, miguel frasquet, abdulaziz al rished, arttu tuomiranta, sami gasim, and hosni ghedira. Modelling of solar thermal power plant using parabolic trough. Plantwide control of a parabolic trough power plant with. These plants have very similar total capital investments of usd 914 million for the parabolic trough pt and. Lcoe reduction potential of parabolic trough and solar. All of these codes are proprietary and are not generally available to the general public. Pdf parabolictrough collectors ptc are solar concentrating devices suitable to work in the 150c 400c temperature range. In 2009 and 2010, nrel contracted with worleyparsons group golden, co to estimate the water use, performance, and cost impacts of switching from wet to dry cooling. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator.
Increasing revenue of nuclear power plants with thermal. Solar dish solar power tower types of solar thermal power plants parabolic troughs parabolic troughs are used in the largest solar power facility in the world located in the mojave desert at kramer junction, california. Parabolic trough collector power plant performance. Solar radiation data manual for flatplate and concentrating collectors. We present a control scheme for a parabolic trough. An overview of the major types of solar thermal power plants or solar thermal electric technologies including concentrating parabolic trough, parabolic dish, fresnel lens systems, and locations and types of the largest solar thermal power plants. All conditions required for implementing pv and ptcsp systems are verified. Parabolic trough power plants count among the socalled largescale solar power plants with capacities of 50 to over 100 mw. Proceedings of the 19th world congress the international federation of automatic control cape town, south africa. The data include plant type, technology, net output, project type, and funding. The aim of the diss facility is to develop a new generation of solar power plants using parabolictrough collectors ptcs to produce high pressure steam in the absorber tubes. 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 that features a molten salt heat storage, the 250 mw genesis solar energy project, that came online in 2014, as well as the spanish 200 mw solaben solar power station, and the. Parabolic trough plants are the most mature solar power technology, but no largescale plants have been built in over a decade.
The parabolictrough technology is one of the several different solar thermal concentrating technologies available. International journal of mathematical, computational, physical, electrical and computer engineering, 7, 16631667. Parabolic trough and power tower csp technologies rely on steam rankine power cycles that are essentially the same as those used in coal and nuclear power plants. Survey of thermal storage for parabolic trough power plants. Comparison of wet and drycooled parabolic trough plants in daggett. Parabolic trough power plants use a curved, mirrored trough which reflects the direct solar radiation onto a glass tube containing a fluid also called a receiver, absorber or collector running the length of the trough, positioned at the focal point of the reflectors. The trough is parabolic along one axis and linear in the orthogonal axis. This work investigates the performance of a conventional steam power plant retrofitted with a solarassisted regenerative system using parabolic trough solar collectors ptc.
This is primarily due t o nine large commercialscale solar power plants, the first of which has been operating in the california mojave. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that are intended to be heated. Problem of low super heating at parabolic trough solar power plants, the necessity of reheating at parabolic trough solar power plants, multi stage feed water preheating, efficiency of rankine process, h,sdiagram for water and steam,the three main components of a. Development of moltensalt heat transfer fluid technology for. Studies were performed for parabolic trough plants in three different locations. This is primarily due to nine large commercialscale solar power plants, the first of which has been operating in the california mojave desert since 1984. A parabolic trough is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. Pdf an overview on parabolic trough solar collector. A solar thermal power plant model, based on parabolic trough concentrators has been proposed as above. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. The principle objective of this work is to comprehensively overview the moroccan parabolic trough solar thermal power plant noor 1 as one of the leading solar plants in africa and middleeast. Survey of thermal storage for parabolic trough power. The amount of energy provided by the sun is immense and it can be used in a targeted way. The loss in electric power from the cycle is quantified as a function of the prevalence of vacuum loss and hydrogen accumulation in the field.
Economic optimization, heat exchanger, kalina cycle, parabolic trough, solar thermal power plant. Introduction solar thermal power plants stpps are expected to play an important role in the future energy mix 1. In 2010 nrel published a cost study on parabolic trough plants that was undertaken via contract. An integrated program of a standalone parabolic trough solar. Design of a 25 mwe solar thermal power plant in iran with. Pdf twotank molten salt storage for parabolic trough solar. These power cycles input highquality thermal energy, produce electric power, and discharge lowquality heat see. Numerical model and performance validation of a small. Molten salt power tower cost model for the system advisor. The impact of dispatchability of parabolic trough csp. Solar radiation data source of secnrel has been used and annual electricity outputs have been estimated using systems advisor model.
Solid media thermal storage for parabolic trough power plants. Pdf solarassisted steam power plant retrofitted with. Large fields of parabolic trough collectors supply the thermal energy used to produce steam for a rankine steam turbinegenerator cycle. The capacity of each investigated system is 1 mw, and both systems are investigated in terms of technical. Simplified methodology for designing parabolic trough solar. Solar thermal power plant is an effective and eco friendly system to produce electricity. Parabolic trough solar power plant data here youll find data on parabolic trough power plants in operation and under development in the united states. Concentrating solar power in south africa a comparison. Parabolic trough with molten salt as the htf plant configurations whether parabolic trough, central receiver or fresnel, during normal operation, a heat transfer fluid carries heat from the absorber receiver to a heat exchanger and steam generator system where the heat energy is used to raise steam and power a steam turbine. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. Parabolic trough collector power plant performance simulation.
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