Bmkc8020301 controller for parabolic trough, 8 di 12 do 4. This is primarily due to nine large commercialscale solar power plants, the first of which has been. Parabolic trough, trnsys, simulation, rankine cycle, solar. Parabolic trough power plants have a longstanding performance issue relating to the buildup of trace quantities of hydrogen gas in the receiver tubes. It describes how to model a parabolic trough system with molten salt heat transfer fluid. Made from galvanized steel to support its torquetube structure, luz collector represents the standard design. This report updates the baseline cost for parabolic trough solar fields in the united states within nrels system advisor model sam. Schott parabolic trough technology for largescale solar power generation by schott ag schott solar csp gmbh. The test was carried out at embryriddle aeronautical university, daytona beach, fl on february 19, 2014. The heated fluid provides the thermal resource to drive a rankine steam power cycle. This study presents the most wellknown solar concentrating system, the parabolic trough collector, which is operating efficiently in high temperatures.
This paper presents an opensource, readytorun, model of a parabolic trough solar field with a userfriendly interface in the simulink environment. The reflector, which concentrates the sunlight to a focal line or focal point, has a parabolic shape. Bmkc8020301 controller for parabolic trough, 8 di 12 do 4 ai. Bmkc8020301 controller for parabolic trough, 8 di 12 do. The model determines the performance of a parabolic trough solar. Comparison of comparison of solar power system csp power plants will be introduced and discussed. Simplified methodology for designing parabolic trough solar. Matlab software is employed to model the power plant at reference state points. A half inch hole was drilled in each frame piece to serve as the point of rotation for angling of the trough, and the attachment to the base.
Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. In recent years, parabolic trough power plants have been built in a large number. Sensitive analysis for the efficiency of a parabolic trough. Solar thermal systems produce steam after being energized by solar parabolic trough concentrators, are incorporated with a steam turbinegenerator assembly. Sensitive analysis for the efficiency of a parabolic. The operating performance and optical efficiency of the parabolic trough solar collectors ptcs are different in different regions and different seasons. Software development for design, simulation and sizing of parabolic.
Parabolic trough solar thermal system parabolic trough. Performance simulation comparison for parabolic trough solar. Experimental study of parabolic trough collector ptc and. 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. Parabolic solar trough creates solar energy solar hot water steam cooker pressure a steam engine.
The comparison will be made possibly analytical or quantitatively instead of qualitatively. Parabolic trough is a device in a parabolic shape, having small focal length of. 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. Modeling and experimental investigation of parabolic. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. Jun 18, 2014 the modeling parabolic trough systems webinar was presented on june 18, 2014 by michael wagner of nrel. This study presents an inhouse design simulation software for parabolic trough collector. Software and codes for analysis of concentrating solar power. Parabolic trough collector cost update for the system. This can heat water safe to drink or make steam for electricity. The heat fluxes are considered for tropical climate of mandalay in myanmar.
A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide. Modeling and experimental investigation of parabolic trough. This paper analyzes the influence of operational strategies on the performance of parabolic trough pt solar power plants with the aid of simulcet a computer program for the simulation of the energy behavior of pt plants developed by the national renewable energy centre of spain cener. In addition, an experimental investigation was conducted on parabolic trough solar collector.
The parabolic trough operates at about 75% efficiency and at 495 square foot can collect approximately 270 kwh 10 hours on a clear day. Modeling parabolic trough systems, june 2014 youtube. The moment for solar power tower technology has arrived. Technologies include parabolic trough, linear fresnel reflector, power tower. The resulting graphs well describe the variations of various outputs of the solar field and help to predict the performance of the plant. Commercial simulation software for solar plants is readily available, but source codes are not. Bmkc8030310 controller for parabolic trough, 8 di 8 do 2. Working with diver on the project is tim moss, who serves as project manager and primary software and hardware developer. Nearterm focus on collector technologies that could be deployed in the 2010 20 time frame. Heat transfer analysis and modeling of a parabolic trough.
Solar tower st plants and parabolic trough pt plants are subjects of this comparison. Modeling, simulation and performance evaluation of. This solar trough tracks the sun using a mathematical algorithm and will not chase shadows from clouds. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator. May 15, 2007 working with diver on the project is tim moss, who serves as project manager and primary software and hardware developer. The mathematical models allow the calculation of different parameters of the solar parabolic trough system, the angle of inclination of the collecting surface and the forces acting on. Each sca is an independentlytracking parabolic trough. One of the advantages to this approach is that users do not require special software to use the program. It anticipates effect on model in adequate environment condition. The list of models and software is by no means exhaustive. Csp plant models and validating related modelling and simulation software. A key feature of the nrel model is that capital cost. 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.
Sensitivity analysis of parabolic trough collector in. Parabolic trough systems are the most used concentrated solar power technology. Parabolic trough plants are the most mature solar power technology, but no largescale plants have been built in over a decade. The modeling parabolic trough systems webinar was presented on june 18, 2014 by michael wagner of nrel. A scm could have a length up to 15 metres 49 ft 3 in or more. Energy equations for computation of parabolictrough. Today, this innovative technology becomes available for a wide range of. Manual making of a parabolic solar collector gang xiao laboratoire j.
Concentrated solar power also called concentrating solar power and csp systems use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area. Parabolic trough solar technology is credited by being synonymous with the very first application of solar energy. Parabolic troughs use mirrored surfaces curved in a parabolic shape. Concentrated solar power csp technology uses energy from the sun to generate heat, which is used in steam cycles to produce electricit. Ringtrough the next generation of solar parabolic trough. Solargenix energy and nrel collaborated to have developed a new collector structure that uses extruded aluminum. This study describes and evaluates a new simulation component for parabolic trough collectors ptcs.
Heat transfer analysis and modeling of a parabolic trough solar receiver implemented in engineering equation solver abstract this report describes the development, validation, and use of a heat transfer model implemented in engineering equation solver ees. A new trnsys component for parabolic trough collector. The new simulation component is implemented in the trnsys software environment by means of new type that is suitable for integration into the calculation of a whole concentrating solar thermal plant, in order to evaluate the energy production of a ptc. Design and analysis for 1mwe parabolic trough solar. Design support system for parabolic trough solar collector. Many articles in the open literature give governing equations and algorithms for solar plant simulations, but adopters must program them themselves. The parabolic trough operates at about 75% efficiency and at 495 square foot can collect approximately 270 kwh. Examples will be presented and explained in detail. Design, construction, and test of a miniature parabolic. Himin is parabolic trough receiver manufacturer in china, our parabolic trough receiver, also called the heat collection element hce, is a key component of the parabolic trough csp project.
The rankine power cycle was separately modeled with a simultaneous equation solving software ees. Results of theoretical calculations have been given in detail and the design has been analyzed on trnsys software. Soltrace software is used to check the heat flux of parabolic trough collector. Modeling and performance prediction of solar parabolic trough. Simplified methodology for designing parabolic trough. This software has capability to perform details analysis by which model could be improved isabel llorente garcia et al. Next an attempt was made to attach two of the 2 by 4s to the outer edges of the parabolic frame pieces.
Department of energy doe for estimating the performance and cost of concentrating solar power csp technologies and projects. To determine the optimum design and operation of the parabolic trough solar collector throughout the year, an accurate estimation of the daily. However, it is limited to a single or double factors for available system. In the following, the modelling approach for a parabolic trough plant applied within the greenius software will be explained. To determine the optimum design and operation of the parabolic trough solar collector throughout the year, an accurate estimation of the daily performance is. The various components are the parabolic trough, vertical side panels for absorber tube support, ribs for trough support and shape, and flange panels for photovoltaics fig. Due to a lack of direct experience of molten salt parabolic trough mspt commercial plant operation, most of the simulation tools do not foresee a suitable management of the thermal energy storage logic and of the solar field freeze protection system, but follow standard schemes. Parabolic technology industries, llc pti is a newly formed texas corporation that was formed to be a special purpose vehicle for the purpose of conducting parabolic mirror turbine projects in nations with a high index of sunlight and a low index for cloudiness. Pdf design analysis of solar parabolic trough thermal. Due to several innovations, ptm includes all the advantages of solar concentration that, up to today, have been available exclusively to solar thermal power stations. Parabolic trough technology consists of a series of parabolic mirrors arranged in horizontal rows that concentrate solar radiation in a central tube containing thermal oil. A solar energy conversion device that uses a trough covered with a highly reflective surface to focus sunlight onto a linear absorber containing a working fluid that can be used to spin a turbine for electricity generation. A parabolic trough solar power plant simulation model. Aug 30, 2018 ringtrough the next generation of solar parabolic trough.
Sam, available at no cost at, is a performance and financial model designed to facilitate decision making for people involved in the renewable energy industry. 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. A parabolic trough is a type of solar thermal energy collector used in csp plants concentrated solar power. Parabolictrough solar collectors and their applications. But in the solar tech race, is there room for more than one leader. Patented parabolic trough reflectors, uses the latest technology. An integrated program of a standalone parabolic trough solar. Parabolic trough power plants constitute the biggest share of the installed concentrating solar power technology. Most current solar thermal power plants uses a parabolic trough design called luz system ls1, 2 and 3 collectors. Software development for design, simulation and sizing of parabolic trough solar thermal power plant ethiosola. A model for the solar field was developed using the trnsys simulation program. It will become obvious on the sample simulation runs that the variation of.
The simulation software was coded in microsoft visual studio. The mathematical models allow the calculation of different parameters of the solar parabolic trough system, the angle of inclination of the collecting surface and the forces acting on the system. An open source model of a parabolic trough solar field oer. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. The parabolic trough collector of the parabolic trough solar thermal system is a kind of device that collects solar energy by means of linear focus on sunlight. 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. Ptmx, soltiguas parabolic trough, is developed and produced in italy. The study performed a bottomup build and cost estimate for two stateoftheart parabolic trough designs the skytrough and the ultimate trough. About a dozen or more of scm make each sca up to 200 metres 656 ft 2 in length. The heat flux of parabolic trough collector can be calculated by using the following equations. Schott schott solar csp receivers parabolic trough.
The parabolic trough receiver is designed to promote the solar fields to be more productive and more costcompetitive. Presently, it is the most advanced and lowest cost large scale solar power technology available. Parabolic troughs have concentrated solar power, heats water fluid up to 400 degrees c. The assumed solar field area in both cases was about 1. Jennsolars ringtrough is aimed to innovate current solar parabolic trough technology, carrying out desalination processes by 100% renewables. On purpose simulation model for molten salt csp parabolic. Parabolic trough collector cost update for the system advisor. Bmkc8030310 controller for parabolic trough, 8 di 8 do 2 hsc 4 ai. Great video, really gave some insight in using the software.
New invention to make parabolic trough solar collector. Parabolic trough receiver heat collection element manufacturer. Parabolic trough solar collectors and their applications. Designing a parabolic trough collector involve large number of calculations to determine design parameters and requires referring to several handbooks and database specially for new designers.
Design, simulation and manufacturing of an integrated. 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. The heat flux results are calculated based on 21st december. On the other hand, the use of design support systems simulation software can reduce the design time and effort. Heat transfer analysis and modeling of a parabolic trough solar receiver implemented in engineering equations solver. Assalt, ase software for salt csp plants, has been developed to. Hydrogen is a byproduct of the very slow breakdown of the heat transfer fluid. They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca.
A scm may be made as a singlepiece parabolic mirror or assembled with a number of smaller mirrors in parallel rows. On purpose simulation model for molten salt csp parabolic trough. The modeling parabolic trough systems webinar was presented on june 18. A parabolic trough solar power plant simulation model nrel.
Himin is parabolic trough solar thermal system manufacturer in china, our rough solar thermal power generation system is now the most proven largescale power system with the lowest cost. Simulation and performance evaluation of parabolic trough. Design and simulation of solar parabolic trough with trnsys. The hot oil is used to vaporize water, which, channeled to a steam turbine, drives a generator that injects electrical energy into the grid. Analysis of the influence of operational strategies in plant. Energy equations for the computation of parabolic trough collector efficiency using. Modelling and simulation of parabolic trough plants based on real. Model of a parabolic trough power plant, taking into consideration the different losses associated with collection of the solar irradiance and thermal losses is presented. Nov 28, 2018 this paper provides a software simulation model for performance prediction of a parabolic trough collectors system ptcs, as a part of solar thermal power plants. Energy equations for the computation of parabolictrough collector efficiency using. The system advisor model sam is a performance and financial model designed to estimate the cost of energy for gridconnected power projects based on installation and operating costs and system design in order to facilitate decision making for.
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