The solar pond possesses a thermal storage capacity spanning the seasons. Reuters, phoenix solar ag to build solar power plant for saudi arabian oil company in. Ormats solar pond takes up about as much surface area as a large farm pond and provides 150 kilowatts of power. Power generation from solar pond using thermoelectric. Withdrawal is the amount of water a power plant takes in from a source such as a river, lake, or ocean for the purpose of cooling steam. The result of solar pond prototype power plant sized 1,5m x 2m produce energy. Electric generator like a fossilfueled plant, a nucl ear power plant boils water to produ ce. The solar system was to be implemented into one of the log cabins that are. It utilizes a body of still water to collect solar energy and stores it as thermal energy, which is suitable for a variety of applications, including electric power generation, industrial process heating, and space conditioning. He later built a few small ponds in ohio, to test power production and desalination nielsen 1975.
A solar pond is a large water body to save solar energy in heat stores represented by the bottom side of the pond, which is then accessible to use for feasible purpose. A hectare of solar ponds could produce the electricity about 500 kw,while indonesia has more than 5 millions square kilometers of solar ponds. Power generation from salinity gradient solar pond using. Detailed project report for 50 kwp grid connected roof top. 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. This study investigates the technical feasibility of solar pond power generation in the state of florida. Therefore, to maintain stability salt must be added to lower layer and remove from upper layer. Three types of direct contact systems are evaluated.
Combining solar power with coalfired power plants, or. 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. Using a solar power plant has always been beneficial and it will help you live an easy life. In chapter 20 we introduce different concepts related to solar thermal energy. Electric power generation from solar photovoltaic technology. Salinity gradient solar ponds are green energy collectors. A solar pond is a body of water that collects and stores thermal energy. Oct 27, 2015 solar energy is available freely and conveniently in nature and it needs no mains supply. The basic components that make up a hybrid solar system are. Solar electric generating systems how segs works solar collectors capture and concentrate sunlight to heat a synthetic oil called therminol, which then heats water to create steam. Pdf this paper investigates the potential of using a solar pond for the generation of electricity in jordan.
Optimization and preconceptual design of a 5 mwe saltgradient. This temperature difference can be used to power thermoelectric generators teg for electricity production. Jan 05, 2017 solar pond a solar pond is a body of water that collects and stores solar energy. Most parts of india,asia experiences a clear sunny weather for about 250 to 300 days a year, because of its location. Iea clean coal centre combining solar power with coalfired power plants, or cofiring natural gas 8 list of figures figure 1 solar thermal trough power plant with thermal storage figure 2 towerbased solar thermal steam generator 14 figure 3 power plant feedwater heating using solar thermal power 18. Power plants which use the solar energy hereinafter referred to as. Pdf electric power generation from solar pond using. A onedimensional model is used to analyze three different. 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. Design of a system to monitor and control solar pond.
Again, because the pilot test at red rock ranch uses a spray pond, this heat loss is avoided because there is no open pond to reradiate heat to cool the water. 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. A solar thermal power plant was already constructed close to cairo at the beginning of the 20th century. Water is heated, turns into steam and spins a steam turbine which either drives an electrical generator or does some other work, like ship propulsion.
Electric power generation from solar pond using combination of thermosyphon and thermoelectric modules article pdf available in energy procedia 48. Solar pond electric power plant pdf 29 vorslabdowndo. The facilities and operation of the ein bokek plant, which utilizes a 75,000 sq m, 2. 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. The largest operating solar pond for electricity generation was the beit haarava pond built in israel and operated up until 1988. It was found that using a solar pond for the generation of electricity in jordan has. 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. We have been talking about what a solar power plant is. An alternative approach to brine management with zero discharge to the environment is to concentrate salton sea water to the sodium chloride saturation level, a specific gravity of about 1. These projects were for the design of a hydro power plant and for the design of a solar system. Alternative methods of solar energy are discussed in part v. Feasibility analysis of solar evaporation and recovery of.
Sahara desert is sufficient in order to meet the worlds electricity requirements with solar thermal power plants. Plants that require the use of cooling water account for a little more than 70% of all the electricity in the nation and nearly 60% of the electric generating capacity. Using electric solar pond power plant which has a simple system, easy to understand, and a simple calculation could produce the electricity with high quality as an alternative energy instead of the fossil fuel without ruining the nature. The heat exchangers, rankinecycle power plant, and electrical generation equipment remains above ground for easy access. Power generation from solar pond using thermoelectric generators authors bhathal singh, b. Solar power generation seminar reportpdf download it is available directly as solar isolation and indirectly as wind energy. Solar pond a solar pond is a body of water that collects and stores solar energy. Hydro electric power is cheaper as compared with a fuel burning plant. Several solar thermal power facilities in the united states have two or more solar power plants with separate arrays and generators. Nov 28, 2017 a solar pond is simply a pool of saltwater which collects and stores solar thermal energy. Using parabolic mirrors, the power plant captured and concentrated solar energy and used it to heat oil for boiling water. 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. Complete 5 mwplants, including the solar pond, are e.
Clearly then, the pv solar energy technology in pakistan could neither be sustained at the user level, nor has it been attractive to prospective. Japan is building huge solar power plants that float on water. Salts like magnesium chloride, sodium chloride or sodium nitrate are dissolved in the water, the concentration being densest at the bottom 20% to 30% and. Interest in the solar pond option as a large scale solar collector grew in the us. The solar pond is a unique development in renewable energy resource technology. Water warmed by the sun expands and rises as it becomes less dense. Solar generation plant can be installed in a few months while the conventional power plants take several years to build an electricity generation plant. Parabolic trough solar electric generating system segs. In 19 shuman finished a 55 horsepower 41 kw parabolic solar thermal energy station in maadi, egypt for irrigation. A solar pond can be used for various application such as process heating desalination, refrigeration, drying, and solar power generation. Oct 28, 2018 an old renewable energy idea revisited. A solar pond power plant model is presented to simulate and optimize such a. Directcontact condensers for solar pond power plants.
We made an animation for this in 1979 on a trs80 computer. Heat rejection and energy extraction within solar ponds osti. The steam is piped to an onsite turbinegenerator to produce electricity, which is then transmitted over power lines. Solar power is clean energy as it produces no air or water pollution. This paper present results of a teg system designed. Electric power generation from solar photovoltaic technology 269 generation, but failed to sustain it. India was the first asian country to have established a solar pond in bhuj, in gujarat. Solar thermal power plants usually have a large field or array of collectors that supply heat to a turbine and generator. Imported solar modules are available in the open market in pakistan, but at exorbitant prices. Pdf optimization of solar pond electrical power generation system. Though a variety of technologies have been developed to take advantage of solar energy in recent years, solar power accounts for less than one percent of electricity use in the zimbabwe. Solar evaporation rates in searles valley have been measured for ponds that solar.
1564 1206 985 918 58 1020 1400 777 1206 1317 1089 364 554 1370 679 921 746 1147 1276 805 976 1318 699 864 850 455 1179 1525 940 770 1431 562 447 1003 852 1183 419 581