This research focuses on the application of this concentrating solar thermal power in the unexplored field of building construction. The heat engine uses the concentrated solar heat to produce electricity. Our innovative plug and play solar tracking system can be used with standard pv, concentrated pv and concentrated solar thermal systems parabolic dish and parabolic trough. A prototype model for generating electricity using solar.
The dish stirling system dish stirling systems transfer concentrated solar radiation with high efficiencies into electrical energy. A parabolic dish reflector pdr, shown schematically in figure 3. Index termsarduino uno, atmega328 microcontroller, dualaxis solar tracker, hercules lite motor driver, pmdc geared motor. Solar tracking for a parabolic dish used in a solar thermal. A feasible approach to maximizing the power output of solar array is by sun tracking. A parabolic dish or reflector is dynamically steered using a transmission system or solar tracking slew drive mean. Solar tracking for a parabolic dish used in a solar. Our parabolic solar trough collectors can collect solar energy up to 10 hours per day compared to a 6 hour day with regular flat plate collectors. This solar concentrator is an eight segment solid aluminum parabolic dish.
A plant with leaves that turn to follow the sun is called a heliotrope, so we are going to say that a tracking device which stays oriented towards the sun is called a heliotropic tracker, and a device which reflects to a stationary point is a heliostatic tracker. Solar energy is rapidly becoming an alternative means of electrical source all over the world. Vijendra writes that they are using our computer chip controlled picaxe solar tracker with great results. The solution presented in this research is based on the fabrication of mechatronic solar thermal tracker with hybrid, paraboloidal and cylindrical parabolic technology, in such a way that it is possible to capture data of different measurable physical magnitudes, and at the same time to simulate two axis tracking of both technologies. Energy equations for the computation of parabolic trough collector efficiency using. How do solar parabolic dishes work solar power world. A parabolic dish solar power plant is based on a single parabolic reflector, similar in shape to a satellite antenna. Step tracking program for concentrator solar collectors. A model is designed which contains a solar parabolic shaped dish, stirling.
Mechatronic prototype of parabolic solar tracker ncbi. Its shape is part of a circular paraboloid, that is, the surface generated by a parabola revolving around its axis. I made this solar tracker and parabolic mirror as a small scale experiment to test the idea. The entire sun irradiation that impacts the parabolic dish is reflected towards its focus, where the receiver is placed. Dish engine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. Automatic solar tracking system for parabolic trough collector. An algorithm for a step tracking program to be used in the orientation of parabolic dish concentrator collectors is proposed in the paper to reduce the consumed power due to actuation. Solar tracking for a parabolic dish used in a solar thermal brayton cycle w. Solar panels are generally categorized as crystalline, thin film or hybrid pv panels. Automatic dualaxis solar tracking system for parabolic dish ieee. This is a parabolic trough type solar collector used for steam generation in india. The solar receiver is a pointfocussing parabolic dish that pinpoints towards the sun to collect sun energy, but may also be a linefocussing solar trough.
Introduction requirement of energy rapidly go on increasing with increase in population of country. Soltigua bring to the pv market their many years of sun tracking experience in the highly demanding concentrating solar thermal industry. Use for pv panels, parabolic trough, dish, or just about any other solar tracking application. In software part we design a controller which will move the collector dish to track the. This reflector focuses light to a point where a heat engine is placed. Homemade parabolic mirror and solar tracker youtube. Parabolic reflector and lens focussing action for maximum. The solar tracking system is an electromechanical system designed to improve the photoelectric conversion efficiency of the solar panels by optimizing the use of sunlight. They are the solar concentrating system, the heat absorbing system, the heat storage system, the power generation system and the power plant control system. Best for fast parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. In actuality it produces about 1873 watts or 6391 btu per hour. In concept, the solar dish is similar to the solar tower. Works with slewingring drives and linear actuators.
An insulated cavity containing tubes or some other heat transfer device, is placed at. Csp applications using dual axis tracking include solar power towers and dish stirling engine systems. The software can also be used for other applications, including building automation or with wind turbines for shadow flicker calculations. In steering the dish to face the sun, the power dish actuator and actuation means in a parabolic dish system optically focusses the suns energy on the focal point of a parabolic dish or solar concentrating means. Looking for downloadable 3d printing models, designs, and cad files. The parabolic dish system employ a parabolic mirrorshaped dish, or a modular mirror system that alike parabola, and integrate twoaxis tracking to hub the. In country like india demand of energy increases with increase in population so the use of renewable and natural sources of energy like wind energy, tidal energy, solar energy etc is the need of time in country. How to build a parabolic microphone dish videomaker. For this purpose, tracking mechanisms similar to the ones described in the previous. 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 systems use satellitelike mirror dish es to focus the light onto a singlecentral receiver in front of the mirror. The automatic sun tracker positioner and control system for a motorized parabolic dish solar reflector and mechatronic solar tracking control system project includes the development and cad design.
Performance investigation of a new solar desalination unit based on sequential flat plate and parabolic dish collector. Nov 02, 2015 a parabolic dish or reflector is dynamically steered using a transmission system or solar tracking slew drive mean. Parabolic dish csp technology parabolic dish geometry concentrates light in a single focal point, i. To make effective use of solar energy, its efficiency must be maximized. Pdf solar tracking for a parabolic dish used in a solar thermal. List of parabolic trough companies, manufacturers and suppliers. The construction used will remind many of the satellite dishes used for services such as sky and is called a parabolic collector. Performance investigation of a new solar desalination unit. As an advanced user, they are modifying the software for their own purposes. The dish structure must fully track the sun to reflect the beam into the thermal receiver. At 100% efficiency it should produce about 3000 watts of power or 10242 btu per hour. Dishengine system concentrating solar power basics.
Solar plants make a significant contribution to sustainable, climatefriendly energy generation. The 2 axis tracker has 16 parameters and one of them is dark return. The size of the concentrator is determined by its engine. Parabolic dish collectors require dualaxis solar tracking. The dish engine system is a concentrating solar power csp technology that produces smaller amounts of electricity than other csp technologiestypically in the range of 3 to 25 kilowattsbut is beneficial for modular use. Duanes redrok site is information central for diy heliostats and concentrating solar collectors. The parabolic dish solar concentrator system mainly consists of base support, concave dish frame, reflecting sheets, conversion unit and sun tracking system as shown in fig. Automatic dualaxis solar tracking system for parabolic dish. This is a prototype parabolic dish thermal collector. Solar parabolic dish concentrator figure 9b is tracking the sun with motorized slewing drive solar tracking systems in two axes.
A solar panel is a set of solar photovoltaic modules electrically connected and mounted on a supporting structure. This program calculates the focal length and x, y coordinates for a parabola of any diameter and depth. The parabolic microphone dish leverages geometry to turn an ordinary microphone into a hyperdirectional monster mic. Hook this controller up to any dc motor driver comes with 1 hb2 motor driver for linear actuators or other dc motors with reedpulse position sensors or potentiometers, or use a tilt sensor. Himin is central tower solar thermal system manufacturer in china, we completed the production and construction of asias first mwlevel tower solar thermal power station.
The parabolic dish solar concentrator system mainly consists of base support, concave dish frame, reflecting sheets, conversion unit and suntracking system as shown in fig. Parabolic dish solar thermal system csp plant manufacturer. How they work by solar power engineering january 23, 2010 the solar dish stirling technology is well beyond the research and development phase, with more than 20 years of recorded operating history. Pdf automatic positioner and control system for a motorized. The mcdonnell douglas parabolic dish solar tracking system is presented in figure 2. To ensure product reliability of the cpv the device had to undergo semiconductor testing and environmental tests such as halt testing. Soltigua is the only company offering solar tracking technologies for both pv trackers, and concentrated solar thermal collectors such as parabolic troughs and linear fresnel. An algorithm for a step tracking program to be used in the orientation of parabolic dish concentrator collectors is proposed in the paper to. The dual axis solar tracking controller features three inputs and two solid state hbridge driver outputs. Products rensol power energy efficiency rooftop solar. Introduction solar energy is a dilute form of energy, but the amount of solar energy that is incident on earths surface is. Microcontroller based automatic solar tracking system with. Hence they are found in thermal and photovoltaic power generation projects.
This method seemed to produce the least amount of material overlap. Development of a solar concentrator with tracking system. Parabola calculator for satellite dish antenna design. This freeware program was written to help you design solar collector or wifi projects using parabolic reflectors. Sun tracking and solar renewable energy harvesting. The influences of absorption rate for the sinusoidal corrugated absorber plate by aspect ratio and the slope of incident light are plotted in.
But in the solar tech race, is there room for more than one leader. With pcbased control for solar power plants in mind, the software is suite for parabolic mirror and photovoltaic system as well as for other solar power plant designs that automatically track the suns position for optimum utilization of the suns rays. Parabolic dish solar concentrators pdsc are a csp system composed of a reflective surface shaped as a paraboloid of revolution i. Mega tracker 2a dual axis solar tracking controller. The surface of the dish was washed and then adhesive mylar was applied in 3 wide strips. This parabolic solar concentrator dish collects about 3 square meters of sunlight. In software part we design a controller which will move the collector dish to track the sun. At the end of the day automatically the solar concentrator comes back to the east. This paper is designed solar tracking system with mirror booster using microcontroller.
Automatic dualaxis solar tracking system for parabolic dish abstract. Join the grabcad community today to gain access and download. Niekerk 2011, managed to build a tracking system for a solar parabolic trough with control. Step tracking program for concentrator solar collectors iopscience. Solar tracking, sun tracking, sun tracker, solar tracker. The difference here being that it is a 12foot wide dish. The parabolic dish concentrator is used to reflect and concentrate the suns rays onto the receiver aperture so that the solar heat can be absorbed by the receiver. Design of one axis three position solar tracking system for. The tracking system is dual axis tracking system with slew drivers. Compound parabolic receivers are designed for nonimaging applications such as solar energy and offer the advantage of offaxis tolerance, which means they often dont even require a tracking system. The shape of a parabola means that incoming light rays which are parallel to the dish s axis will be reflected toward the focus, no matter where on the dish they arrive. Parabola calculator for parabolic satellite dish antenna design.
To that end, a mechatronic prototype of a hybrid paraboloidal and cylindrical parabolic tracker based on the arduido technology has been designed. The standard solar flux concentration ratio typically obtained is at the level of 30a100, 100a, and a0 for trough, tower and dish systems, respectively 2. Mechanical design of a low cost parabolic solar dish. The only company offering solar tracking technologies for pv trackers,and concentrated solar thermal collectors such as parabolic troughs and linear fresnel. Dual axis solar trackers have both a horizontal and a vertical axis and thus they can track the suns apparent motion virtually anywhere in the world. Sep 16, 2012 top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Automatic positioner and control system for a motorized parabolic solar reflector. Titan tracker is a new technology design for dualaxis solar trackers the new titan tracker patented concept is a breakthrough for solar technologies that require accurate double axis tracking.
We started from the outside of each segment and worked toward the center. The collector pipe is painted black to absorb the heat from the sun, it also acts as the axis of rotation for the trough. Building a parabolic solar hotwater heater using 123d. We are advocates for all forms of solar energy, but particularly active solar tracking and concentrated solar power. The hybrid solarbeam 9m solar concentrator solar dish provides concentrated solar power to a receiver by tracking the sun using a dual axis tracker. Design of parabolic through collectors and fields solar tower power plant concepts tower, heliostats, heliostat field layout design of pointfocusing systems. This paper deals with the design and construction of. Mechanical design of a low cost parabolic solar dish concentrator. These are the two basic types of tracking strategies. Essentially the system consists of the following components. Titan tracker parabolic dish concentrator by titan tracker. Niekerk 2011, managed to build a tracking system for a solar parabolic trough w ith control. Jun 08, 2016 last year be mechanical project on automatic solar tracking system with glass as reflector for parabolic trough collector. Design of solar dish concentration by using matlab program.
Solar panels convert sunlight into dc power via photovoltaic pv effect. Parabolic trough concentrator the accuracy of the solar tracking depends to a great extent on the solar coordinates at a particular. Soltigua pv trackers, solar tracker manufacturers, parabolic. Our tracker can increase the power yield of standard pv solar panels by up to 45%. A parabolic dish system consists of a parabolicshaped point focus concentrator in the form of a dish that reflects solar radiation onto a receiver mounted at the focal point. Titan tracker solar tracker concept, patented in october 2006, is very different from conventional designs of single pole and carousel trackers, since it is the only solar tracker which ha. A parabolic dish concentrates the incoming solar radiation to a point.
A parabolic dish is a mathematical miracle that gathers and focuses light and sound waves into a single point. In steering the dish to face the sun, the power dish actuator and actuation means. We are also active in the photovoltaics mounting and tracker industry. The grabcad library offers millions of free cad designs, cad files, and 3d models. The solar tracker is a device on which collector or parabolic dish is fixed. Nov 01, 2015 a parabolic dish or reflector is dynamically steered using a transmission system or solar tracking slew drive mean.
The site can be a bit of a challenge to find stuff on, but its worth the effort. The moment for solar power tower technology has arrived. Noting that little work has been done in the area of lowering the cost of solar dish, this paper demonstrates the mechanical design of low cost parabolic solar dish concentrator with smalltomoderate size for direct electricity generation. A parabolic or paraboloid or paraboloidal reflector or dish or mirror is a reflective surface used to collect or project energy such as light, sound, or radio waves. These concentrators are mounted on a structure with a twoaxis tracking system to follow the sun. Grenetek offers new generation of solar tracking systems. Parabolic solar concentrator tracking system solar. There are good designs here that can be built on a budget and without exceptional mechanical skills. Cpv, dish stirling heliostat field control and aim point strategy software kinematic drive concepts for solar tracking concentrating systems for chemical hightemperature concepts. They are used in headlights, solar cookers, and satellite tv receivers. Automatic dualaxis solar tracking system for parabolic. Energy equations for computation of parabolictrough. Thanks to this unique crosstechnology expertise, soltigua can deliver to its clients.
Jan 23, 2010 the suncatcher is a 25kilowattelectrical kwe solar dish stirling system which consists of a unique radial solar concentrator dish structure that supports an array of curved glass mirror facets, designed to automatically track the sun, collect and focus, that is, concentrate, its solar energy onto a patented power conversion unit pcu. Meyer department of mechanical and aeronautical engineering, university of pretoria abstract solar thermal brayton cycles utilise concentrated sun rays and can be used to power microturbine generators. Sun tracking system design for parabolic dish solar. Automatic solar tracking sun tracking satellite tracking. This allows this type of collector to achieve the highest concentration ratios among all other type of solar. They so far have the highest heatelectricity conversion efficiencies among all csp designs up to 30 %.
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