Working principle of solar power plant pdf

A photovoltaic system pv system converts sunlight into electrical current with the help of solar cells. A solar pond is a pool of saltwater which collects and stores solar thermal energy. When light reaches the pn junction, the light photons can easily enter in the junction, through very thin ptype layer. In a flat plate collector figure, the radiation energy of the sun falls on a flat surface coated with black paint having high absorbing capacity.

Solar power plants use the suns rays to produce electricity. The light energy, in the form of photons, supplies sufficient energy to the junction to create a number of electronhole pairs. Power in general is of high demand as time goes on, that is the demand increases exponentially due to factors like increasing population and creation of more equipments which uses less energy but more are beung produced. Solar power plant main components, working, advantages and. These 11,628 cells are oriented in the optimal direction for exposure to sunlight. These solar power systems are tied with grids so that the excess required power can be accessed from the grid. An offgrid solar power system is not connected to any electric grid. Below a certain depth, the solution has a uniformly high salt. The 10 mw solar one power tower was developed in southern california in 1981, but the parabolictrough technology of the nearby solar energy generating systems segs, begun in 1984, was more workable.

The working principle of a solar cell in this chapter we present a very simple model of a solar cell. So it is taken to the crusher house and crushed to a size of 20mm. In the solar photovoltaic system, solar energy is directly converted to electric power. The use of dissociating gases in solar and solarfossil electric generating stations is shown to increase. Nov 16, 2016 power plant mechanical engineering channel anuniverse 22 has started to stand on the shoulders of engineering giants and now, it is a place to hang out to learn the basics of mechanical engineering. Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics pv, indirectly using concentrated solar power, or a combination. This hot water from the earth is piping to the surface of the earth through hot water wells. One wind turbine can generate enough electricity to be used by a single household. For it to work most efficiently and increase the uptime made during high velocity windy conditions, it is essential to install a strong framework that not only covers the essentials of power generation, but can also reduce the effect of damage in case of strong currents.

Power plants which use the solar energy hereinafter referred to as. But, for most of the times we require ac power and, hence, solar power system consists of an inverter too. Solar pv power generation system detailed project report solar pv power generation system. Solar panels or modules are designed to supply electric power at a certain voltage say 12v, but the current they produce is directly dependent on the incident light. Nelliss photovoltaic solar power plant is the biggest in the. The reader is told why pv cells work, and how they are made. There are thus two entirely separate closed circulating water loops. A thermal power plant works on the principle of rankine cycle 1. This is the basic wind power plant working principle. Solar pv power generation system detailed project report solar pv power generation system detailed project report for 20. It is a onetime investment and because of that most of the people are using it for their daily usage.

Solar energy is the energy that is available from the sun in abundance. Nov 20, 2017 working principle of geothermal power plant the magma heats the water present inside the earth and increases its temperature greater than 182 degree celsius. Solar pv power generation system detailed project report for. This makes the system far more convenient and compact compared to thermal methods of solar energy conversion. The saltwater naturally forms a vertical salinity gradient also known as a halocline, in which lowsalinity water floats on top of highsalinity water. The 354 mw segs is still the largest solar power plant in the world, and will remain so until the 390 mw ivanpah power tower project comes online. Introduction even before the industrial revolutions human life quality is greatly affected by the availability of energy. The working principle is that we use the energy of photons to get the drift current flowing in the circuit using reversed bias pn junction diode ptype and ntype silicon combination. For this reason it is useful to characterize light radiation by parameters associated with waves. In a flat plate collector figure, the radiation energy of the sun falls on a flat surface.

A very nice description of how solar inverter works and its applications, dave. When the water is above the mean sea level, it is called flood tide. As of now it is clear that photovoltaic modules produce dc electricity. Wind power plant working principle your electrical guide. When the earth heats up from sunrays it releases wind, this is a balanced reaction meant to cool the earth. All waves have a certain distance between peaks called the wavelength figure 11. The use of dissociating gases in solar and solar fossil electric generating stations is shown to increase. Hi friends, in this article i am going to discuss about solar panel working principle and hope you will like my effort.

Introduction solar power plant is based on the conversion of sunlight into electricity, either directly using photovoltaic pv, or indirectly using concentrated solar power csp is thermal power plant. Solar heating systems create solar thermal energy using solar collectors. While ntype semiconductor and ptype semiconductor contact each other, the free electrons near to the contact surface of ntype semiconductor get plenty of adjacent holes of ptype material. It was shown that the working principles behind these cells are quite similar, following a simple energy conversion picture.

The steam is kept on heating till it becomes superheated. May, 20 since a solar cell is the only generator in a solar pv system, it is one of the most important parts in a solar pv system. The generation of electrons and holes by light is the cen. Working and benefits of solar power plant what is solar power plant. The wind turbine working principle is followed by engineers when generating power through the forces of nature. It consists solar panel arrays, storage batteries and inverter circuits. Sahara desert is sufficient in order to meet the worlds electricity requirements with solar thermal power plants. Introduction why wind power wind power has always given the necessary propulsive force to sailing ships and has been also used to run.

Fundamental properties of solar cells, principles and. Simply put, home solar power systems work by converting the suns electromagnetic energy into either solar thermal energy or solar electricity. In addition, solar thermal power plants are becoming one of the most promising technologies to produce clean and sustainable energy. Working principles of solar and other energy conversion cells. Tides occur due to the attraction of sea water by the moon. Working principle of solar cell or photovoltaic cell. Here is the layout of a steam power plant, working fluid cycle steam power plant is a closed cycle, which uses the same fluid repeatedly. Wind power plant introduction to renewable sources. Knowledge about the performance of solar power plants will result in correct investment decisions, a better regulatory framework and favorable government policies. Coal is unloaded from the wagons to a moving underground conveyor belt. The biggest pv power plant so far the olmedilla photovoltaic pv park uses 162,000 flat solar photovoltaic panels to deliver 60 mw of electricity on a sunny day. Solar energy is the one normally used by autotrophic organisms, ie those that perform photosynthesis, also called vegetable.

Tides contain large amount of potential energy which is used for power generation. A steam can only attain a particular temperature at a particular pressure. Since a solar cell is the only generator in a solar pv system, it is one of the most important parts in a solar pv system. Power systems that generate power of 500 kw or higher are usually supplemented with stepup transformers for further connection to the grid.

Photovoltaic converts light into electric current using the photoelectric effect. Working and benefits of solar power plant idc technologies. Thermal power plant as the title infers is the place of mechanism which converts heat energy into electric power. Today we will learn about thermal power plant, its main components along with working and its advantages and disadvantages. Using parabolic mirrors, the power plant captured and concentrated solar energy and used it to heat oil for boiling water. Photovoltaic plants and solar thermal systems are the most commonly used solar. Pdf many people associate solar energy directly with photovoltaics and not with solar thermal power generation. Slopedcollector solar updraft tower power plant performance, 1. In this report, we examine the various factors contributing to the performance of solar power plants.

As electricity plays a key role in our day to day life we need it in abundance, as sunlight is clean, and is. In this video i will show you photovoltaic solar power plant working and battery is used in solar power plant or not. Tide or wave is periodic rise and fall of water level of the sea. Working principle of wind energy clean green energy zone. The solar cell technology is the fastest growing power generating technology. Solar cells have also been used in consumer products, such as electronic toys, handheld calculators, and portable radios. This potential barrier is essential for working of a photovoltaic or solar cell. They work on the principle of the photovoltaic effect. A solar thermal power plant was already constructed close to cairo at the beginning of the 20th century. Pv systems consist of solar cells, inverters and a substructure with which the solar cells are mounted on the roof surface. The authors then went through the working principles of solar cells in terms of charge carrier generation, separation and transportcollection. May 15, 2018 there is always a potential barrier between ntype and ptype material. According to the rule, the higher you go, the cooler it becomes and more air is circulated. Principle of the parabolic trough solar power plant.

The power is generated in the range of 250 volts to 600 volts. Jul 12, 2016 working principle of steam power plant. The tops of solar impulses wings and stabilizers are dark blue, the characteristic color of solar cells. Dec 16, 2017 in this article you will learn about how wind power plant works, its working principle, main parts, advantages and disadvantages with application.

Smrrdspvoh 14000238 rr donnelley publishing india private limited. Solar power is insufficient for space probes sent to the outer planets of the solar system or into interstellar space, however, because of the diffusion of radiant energy with distance from the sun. Dec 30, 2018 in this video i will show you photovoltaic solar power plant working and battery is used in solar power plant or not. Concentrated solar power csp how it works helioscsp. Steamcturbine power plant which is sometime known as coal based power plant or thermal power plant, is a major source of electrical energy for any country. Working principle of a solar inverter solar inverter guide. This difference in kinetic energy is converted into mechanical power. Other living organisms instead exploit the chemical energy derived from plants or other bodies which in turn feed on plants, and also take advantage of solar power, albeit indirectly. Solar photovoltaic pv systems an overview figure 1.

Wind power plant working principle as the free wind stream interacts with turbine rotor, it transfers a part of the kinetic energy to the rotor due to which its speed decreases. Solar power is the conversion of sunlight into electricity. Working principle of a solar inverter the inverters work by taking in power from a direct current dc source, i. Solar power plant main components, working, advantages. These solar power systems are tied with grids so that the excess required power can be accessed from the. Olmedilla was built with conventional solar panels, which are made with silicon. Advances in solar photovoltaic power plants 1st edition by. Construction and working principle of solar power plant brainkart. Concentrated solar power systems use lenses or mirrors and solar tracking systems to focus a large area of sunlight into a small beam. Table 4 world major photovoltaic power plants 12 continued. Dye sensitized solar cells working principles, challenges and opportunities khalil ebrahim jasim department of physics, university of bahrain kingdom of bahrain 1. The working principle of solar cells is based on the photovoltaic effect, i. What is the working principle of thermal power plant. This fluid then transfers its heat to water, which then becomes superheated steam.

What is the working principle of a steam power plant. For thermal power plant there is a factor called plant load factor plf, so if a plant has installed capacity of 100 and it rums with plf of 90% it will produce 90mwh of instantaneous power. In thermal power plants, the heat energy obtained from combustion of solid fuel mostly coal is used to convert water into steam, this steam is at high pressure and temperature. There are two main types of solar power systems, namely, solar thermal systems that trap heat to warm up. In the following paragraphs, a simple introduction of a solar cell and how it operates is discussed, with reference links for better understanding.

Pdf as the world faces an impending dearth of fossil fuels, most immediately oil, alternative sources of energy. Figure shows a solar power plant with a low temperature solar engine using heated water from flat plate solar collector and butane as the working fluid. Solar thermal power plants are electricity generation plants that utilize energy from the sun to heat a fluid to a high temperature. This helps to calculate energy generation from a pv power plant as pv modules are. Working principle of wind energy wind is simply defined as moving air. May 12, 2016 introduction solar power plant is based on the conversion of sunlight into electricity, either directly using photovoltaic pv, or indirectly using concentrated solar power csp is thermal power plant. Construction and working principle of solar power plant. This brief overview on steam power plants focuses on conventional pulverized coal fired power plants pcf pp. The gas power plant gas power plant working principle. All the aspects presented in this chapter will be discussed in greater detail in the following chapters. In this article you will learn about solar power plant main components, working principle, advantages, disadvantages with application. The layers of salt solutions increase in concentration and therefore density with depth.

First, the water is filled into the boiler to fill the entire surfac. There is always a potential barrier between ntype and ptype material. In a coal based power plant coal is transported from coal mines to the power plant by railway in wagons or in a merrygoround system. Power plant mechanical engineering channel anuniverse 22 has started to stand on the shoulders of engineering giants and now, it is a place to hang out to learn the basics of mechanical engineering. However, there are ambivalent views about solar, or photovoltaic, cells ability to supply a significant amount of energy relative to global needs. Figure shows a solar power plant with a low temperature solar engine using heated water. Rabiul islam, faz rahman, wei xu in free pdf format. Many notions presented in this chapter will be new but nonetheless the general idea of how a solar cell works should be clear. Download advances in solar photovoltaic power plants green energy and technology 1st ed. The earth receives solar energy in the form of light and heat. The heat generated by the solar collectors is used for solar water heating, solar space heating.