A onedimensional model is used to analyze three different. Solar pond, salt gradient, heat extraction, renewable energy, green energy 1. Plant operators claim higher efficiencies in the range of 516% from floating solar power plants compared to land based pv plants. It is then used as the heated source, similar to a conventional power station. A data blogger is used for computerized monitoring of string and array dc voltage, current and power, inverter ac output voltage and current, ac power active, reactive, and apparent, power factor. Power plants which use the solar energy hereinafter referred to as. Water warmed by the sun expands and rises as it becomes less dense. Solar power plants use the suns rays to produce electricity. State of the art and future directions acknowledgements glossary. The solar pond possesses a thermal storage capacity spanning the seasons.
Oct 28, 2018 an old renewable energy idea revisited. Solar power plants are very efficient for providing electricity as they make use of the energy of the sun. Now after knowing what exactly it is, in easier terms it can be stated that it is a method that makes use of the energy of the sun for providing electricity for the. Below a certain depth, the solution has a uniformly high salt. Interest in the solar pond option as a large scale solar collector grew in the us, and a 0. Abstractdesign, construction, and operation experience ofa 5 mwe solar pond power plant is presented. Most parts of india,asia experiences a clear sunny weather for about 250 to 300 days a year, because of its location in the equatorial sun belt of the earth, receiving fairly large amount of radiation as compared to many parts of the. It includes detailed descriptions of solar photovoltaic and solar thermal generation systems, and demystifies the relevant solar energy technology functions in practice while also exploring economic and environmental risk factors. Complete 5 mwplants, including the solar pond, are e. Doron b, tabor h 1986 solar ponds lesson learned from the 150 kwe power plant in ein boqek, april 1986. For power production in the multimegawatt range, a solar pond of several square kilometers surface area is needed. Utilityscale csp plant utilityscale csp power plants have been predominantly solar thermal plants using parabolic trough technology since these plants use conventional synchronous generators with or without thermal energy storage electrical characteristics of the plant does not differ appreciable from that of a conventional power. Even low temperatures heat that is obtained from solar pond can be converted into electric power.
Three types of direct contact systems are evaluated. This results in a temperature gradient from near ambient temperature value at the top. Therefore, to maintain stability salt must be added to lower layer and remove from upper layer. Higher efficiency of panels the cooling effect of water on the installed pv modules, helps reduce thermal losses which increases the efficiency of panels. Like a fossilfueled plant, a nucl ear power plant boils water to produ ce. The result of solar pond prototype power plant sized 1,5m x 2m produce energy average 17 wath, and produce maximum energy at 12.
Electric power generation from solar pond using combination of thermosyphon and thermoelectric modules article pdf available in energy procedia 48. Because of low temperature, the solar pond power plant sppp requires organic fluid which have low boiling points such as halocarbons like freons or. By maintaining distinct layers of saline water in the pond, solar heat is trapped within the. Located in hyogo prefecture, japan, this 1,308 kwp floating solar power plant installed on an irrigation pond with an area of 28,101 m. Solar pond electric power plant pdf 29 vorslabdowndo. The saltwater naturally forms a vertical salinity gradient also known as a halocline, in which lowsalinity water floats on top of highsalinity water. Power generation from solar pond using thermoelectric generators bhathal singh, b 2015, power generation from solar pond using thermoelectric generators, doctor of philosophy phd, aerospace, mechanical and manufacturing engineering, rmit university.
Evaluation of solar ponds and aplication area e3s web of. Photovoltaic plants and solar thermal systems are the most commonly used solar. In chapter 21, which is the last chapter of the regular text, we discuss solar fuels, which allow to store solar energy on the long term in the form of chemical energy. This publication is an expanded and updated version of the utilityscale solar power plants guidebook published by ifc in 2011. The layers of salt solutions increase in concentration and therefore density with depth. Our projects with hydrelio floating pv system ciel et. Tabor h, doron b 1987 the beit haarava 5 mw solar pond power plant. Each of the stringgy ys connected to a sunny central must always have the same number of solar modules connected in series mpv120m mpv120m mpv120m. By this arrangement global and diffuse solar radiation in the plane of array can be monitored on continuous basis. Solar pv power generation system detailed project report solar pv power generation system detailed project report for 20. Solar ponds they are large shallow bodies of water that are arranged so that the temperature gradient are reversed from the normal.
Sma solar technology ag 16 v oc string solar power plant. Abstract the limited fossil fuel resources and higher energy demand concentrates on solar energy, which is free of cost and unlimited source of energy, ecofriendly and sustainable to the environment. A onedimensional model is used to analyze three different modes of operation of the pond. The mechanical structures, electrical works and overall workmanship of the grid solar power plants must be warranted for a minimum of 5 years. A solar pond power plant model is presented to simulate and optimize such a system under the jordanian climatic conditions. Floating solar power plants in india opportunities. Power generation from solar pond using thermoelectric generators authors bhathal singh, b. The overall system is designed to last few years and generate a electrical power as per plant capacity. In chapter 20 we introduce different concepts related to solar thermal energy. The ratio between the pond thermal or electrical energy production and the collected solar energy. The energy produced by each solar cell is very small, but combining the energy of 35 of them we have got enough energy to charge a 12 volt battery.
Solar energy will warm a body of water that is exposed to the sun, but the water loses its heat unless some method is used to trap it. Sunshine heats the air beneath a very wide greenhouselike roofed collector structure surrounding the central base of a very tall chimney tower. Do you want to read the rest of this conference paper. Power plant is a plant in which thermal or other energy is converted to electricity. Floating solar power plants of japan evolving science. Both versions 2011 and present were developed by sgurr energy under contract for ifc, with substantial contributions from ifc staff. Instead, they use mirrors, lenses and tracking systems to focus a large area of sunlight into a small beam. Electric generator like a fossilfueled plant, a nucl ear power plant boils water to produ ce. Solar power generation is a concise, uptodate, and readable guide providing an introduction to the leading renewable power generation technology. Sep 27, 2008 the largest operative solar pond project in the world is located in bhuj, in the state of gujarat. An overview and their feasibility at kota in rajasthan ieee conference publication. Had you ever thought of storing the solar thermal power without any expensive solar storage devices.
Directcontact condensers for solar pond power plants. The life time of hdpe structures of floating solar power plants is more than 20 years. Solar photovoltaic technologies solar thermal power plants 4. The facilities and operation of the ein bokek plant, which utilizes a 75,000 sq m, 2. Therefore, the solar energy reaching the bottom of the pond is trapped there.
How linear concentrated solar power csp plants work animation duration. The bottom layer of the pond is hot and hence it acts as a transparent insulator for trapping sunlight so that heat can be stored for future use. Pdf optimization of solar pond electrical power generation system. Power generation from solar pond using thermoelectric. Appropriate site for establishing plant is an important issue. Pdf salinitygradient solar pond is one type of solar collector with the ability to store thermal energy for long period of time and lower cost of.
Pdf this paper investigates the potential of using a solar pond for the generation of electricity in jordan. Using a solar power plant has always been beneficial and it will help you live an easy life. Year 2015 abstract renewable energy is becoming an important source of energy due to the rise in crude oil prices and the increase in greenhouse effects due to burning of fossil fuels. Smrrdspvoh 14000238 rr donnelley publishing india private limited. The first zone, which is located at the top of the pond and contains the less dense saltwater mixture, is the absorption and transmission region, also known as the upper convective zone ucz, which has the. Pdf electric power generation from solar pond using. The solar updraft tower sut is a design concept for a renewableenergy power plant for generating electricity from low temperature solar heat. The solar power plant operates on the principle of photovoltaic effect, direct voltage and current are generated in solar cells.
Selection of perfect technology is important proper site selection. Pv modules used in grid connected solar power plants must be warranted for output wattage, which should not be less than 90 % at the end of 10 years and 80 % at the end of 25 years. This study investigates the technical feasibility of solar pond power generation in the state of florida. Electric power generation from solar pond using combination of. Concentrated solar power plants or solar thermal power plant. We have been talking about what a solar power plant is. Solar pond, is a one of method for trapping and storing solar energy and using it later as the input for thermal power generation plant. The largest operative solar pond project in the world is located in bhuj, in the state of gujarat. Floating solar is proud to have successfully completed the installations of indias first ever floating solar power plant. Analysis of power generation system utilizing a salt gradient solar. Alternative methods of solar energy are discussed in part v.
Solar energy can be utilized for varied applications. Knowledge about the performance of solar power plants will result in correct investment decisions, a better regulatory framework and favorable government policies. Salts like magnesium chloride, sodium chloride or sodium nitrate are dissolved in the water, the concentration being densest at the bottom 20% to 30%. Power generation from salinity gradient solar ponds using. Indian govt is also promoting the plant to install this unit. A solar pond is a body of water that collects and stores thermal energy. The bottom of the pond is generally lined with a durable plastic liner made from material such as black polythene and hypalon reinforced with nylon mesh.
There are three types of solar thermal power plants. May 26, 2017 doron b, tabor h 1986 solar ponds lesson learned from the 150 kwe power plant in ein boqek, april 1986. A solar pond consists of three distinct zones as can be seen in fig. Attract the investors for ipp models power plant appropriate technology. A hectare of solar ponds could produce the electricity about 500 kw,while indonesia has more than 5 millions square kilometers of solar ponds. Jan 05, 2017 solar pond a solar pond is a body of water that collects and stores solar energy. Photovoltaic plants and solar thermal systems are the most commonly used solar technologies today. We made an animation for this in 1979 on a trs80 computer. Salinitygradient solar pond is one type of solar collector with the ability to store thermal energy for long period of time and lower cost of construction compared. All the necessary auxiliary facilities of the power plant like plant monitoring system, safety equipments, instrumentation, control system etc. There is a tremendous demand of solar power in india.
In this report, we examine the various factors contributing to the performance of solar power plants. He later built a few small ponds in ohio, to test power production and desalination nielsen 1975. Nov 28, 2017 a solar pond is simply a pool of saltwater which collects and stores solar thermal energy. So, it would appear logical to employ a natural lake and convert a shallow portion of it to a solar pond. Solar powered pump system rimini plus with battery this highquality pump system is delivered with a battery box. Solar pond a solar pond is a body of water that collects and stores solar energy. However, this is not feasible economically, since excavation and preparation account for more than 40% of the total capital cost of the power generating station tabor, 1981. A solar pond can be used for various application such as process heating desalination, refrigeration, drying, and solar power generation. Floating solar power plant is an innovative approach of using photovoltaic modules on water infrastructures to conserve the land along with increase in eff floating solar photovoltaic systems. Power plant systems 18 solar tower power plants are mainly based on conventional power plant components commercially available today. Concentrated solar power plants csp do not convert sunlight directly into electricity. A solar pond is a pool of saltwater which collects and stores solar thermal energy.
Solar pond electric power plant pdf download download c1731006c4 a solar power tower plant sometimes called a solar central receiver plant uses field of suntracking mirrors. Dec 10, 2012 working of solar ponds maintenance of saltgradient the concentration gradient that exists in pond lead to diffusion from higher to lower concentration i. Solar pond is used for collecting hot water by using sun rays. Floating solar power plant mechanical project topics.
Solar energy is radiant light and heat from the sun that is harnessed using a range of everevolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis. Cost for establishing floating solar plant is relatively higher than establishing land based solar plant investment. Maximum speed of wind, water current, temperature limit, snow load, cyclone and typhone has to be considered while designing the solar panel. This floating solar array is the current record holder as the largest floating solar plant until japan finishes the yamakura dam project. A solar pond is simply a pool of saltwater which collects and stores solar thermal energy. A sgsp is a pool of water about 1 5 m d eep, which contains dis solved salts to establish a stab le density.
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