During this time, hydroelectric power plants were unable to compete with larger, more cost efficient steam power plants. Find the top 100 most popular items in amazon books best sellers. Humans have been using water to generate power for thousands of years. Hydraulic systems in hydro power plants may show oscillatory behaviour with resonant frequencies in the same range typically elastic mode waterhammer oscillations for medium to large head plants. Renewable energy is energy generated from natural resourcessuch as sunlight, wind, rain, tides and geothermal heatwhich are renewable naturally replenished. Hydroelectric energy is the most widely used form of renewable energy, accounting for 16 percent of global electricity consumption. In 2006, about 20 percent of the worlds electricity was generated from hydroelectric power.
We are intechopen, the worlds leading publisher of open access books. Changes in the amount of river flow will correlate with the amount of energy produced by a dam. All structured data from the file and property namespaces is available under the creative commons cc0 license. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
For hydro power schemes, intake systems are smaller and simpler. Take a sneak peek of southwest chinas baihetan, the worlds 2nd largest hydropower. Water, when it is falling by the force of gravity, can be used to turn turbines and generators that produce electricity. Feb 27, 20 hydroelectric energy one alternative to fossil fuels is hydroelectric energy hydroelectric energy is created by harnessing the power of moving water, usually by restricting water flow to specific areas this energy source is very common in places such as canada and is a great alternative to conventional methods such as burning fossil fuels.
The roman empire was not alone in using hydro power in ancient timeswater power was used to raise water for irrigation in egypt and india by the first century bce, while evidence suggests that water power was being used to operate forge bellows in china by the first century ce. Ppt hydroelectric power powerpoint presentation free to. Mar 21, 2020 hydroelectric power plants are usually located in dams that impound rivers, thereby raising the level of the water behind the dam and creating as high a head as is feasible. Despite the extensive body of literature on energy economics, very little economics research has been conducted that focuses specifically on dams and hydroelectric power. Introduction hydroelectric power hydropower systems convert the. Hydroelectric dam in cross section large dams such as hoover dam are able to provide large amounts of hydroelectric power. Energy from water is created by the force of water moving from a higher elevation to a lower elevation through a large pipe penstock.
Hydroelectric power is the most popular green energy source for several reasons. Hydroelectric power plants are usually located in dams that impound rivers, thereby raising the level of the water behind the dam and creating as high a head as is feasible. Ppt hydroelectricity powerpoint presentation free to. Hydroelectricity presentation by peter koersvelt on prezi. Hydroelectric power, or hydropower, captures the kinetic energy of flowing water and turns it into electricity, which is then fed into the electrical grid to be used in homes and businesses. Introduction to the specifics of small hydro power plants shpp structure of the presentation 1. Discover the best hydroelectric energy in best sellers. Hydroelectric energy one alternative to fossil fuels is hydroelectric energy hydroelectric energy is created by harnessing the power of moving water, usually by restricting water flow to specific areas this energy source is very common in places such as canada and is a great alternative to conventional methods such as burning fossil fuels. This is the conventional hydroelectric power station most people refer to when discussing hydroelectric power. But hydroelectric power doesnt necessarily require a large dam. Energy at work by josepha sherman and a great selection of related books, art and collectibles available now at. Atfirst,we see the block diagram of different types of hydro electric power plant. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience.
What are the environmental effects of generating power with wat. Download hydroelectric turbine powerpoint templates and make your powerpoint presentation attractive. Generation of hydroelectric power changes the downstream river environment. Download premium images you cant get anywhere else. Other than this we have exclusive powerpoint templates with a fabulous powerpoint slides for hydroelectric turbine powerpoint presentations.
One of the earliest ways to harness power is to use the powerful flow of water. Many hydropower plants benefit from several storage schemes, and in some river systems a number of power stations are positioned in cascade one after the other, so that the waters energy can be exploited. Hydroelectric power is used to run mechanical structures such as places where food is ground and logs are cut. It is considered a renewable energy source because the water cycle is constantly renewed by the sun. The fall and movement of water is part of a continuous natural cycle called the water cycle. See more ideas about science for kids, hydroelectric power and science fair. The book then presents various types of hydropower systems, such as runofriver schemes and various types of dam and turbines, also considering the. The book then presents various types of hydropower systems, such as runof river schemes and various types of dam and turbines, also considering the. Hydropower from hydro meaning water is energy that comes from the force moving water. Introduction to hydro power plants green growth fund. The principle of hydropower the principle behind the production of hydropower is simple. Chapter 5 main types of high head power plant developments power plants operating under a head higher than 50 m may be termed as highhead power.
Power companies built several small hydroelectric power plants in the mountainous regions of the united states, and by 1920 hydroelectric power plants accounted for forty percent of the electric power produced nationwide. Hydroelectricity is electricity produced from hydropower. All the big hydroelectric plants have been built by now. Farheen jawaid arisha anwer aiesha jaweed masjah 2. Sneak peek of worlds 2nd largest hydropower station youtube. First, the cost of the fuel needed to generate hydropower is miniscule because the process doesnt use any of the more common polluting fuels, such as oil, coal, or natural gas. Energy from the sun evaporates water in the earths oceans and rivers and draws it. The potential power that can be derived from a volume of water is directly proportional to the working head, so that a highhead installation requires a smaller volume of.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Hydroelectric power comes from flowing water winter and spring runoff from mountain streams and clear lakes. Hydro power generation is an established technology and maybe as much as one fifth of the worlds electricity is generated this way, which is slightly more than by nuclear generation. Energy from the sun evaporates water in the earths oceans and rivers and draws it upward as water vapor. Other renewable resources include geothermal, wave power, tidal power. The advantage of hydroelectric generators is that they can be switched on and of easily, according to demand. Hydroelectric power introduction hydro electric power hep is a major renewable energy source used all over the world today to produce electricity. Find highquality hydroelectric power station stock photos and editorial news pictures from getty images.
If you continue browsing the site, you agree to the use of cookies on this website. Files are available under licenses specified on their description page. The reported returns on the investments made in hydroelectric power plants have increasingly been questioned. They can serve local needs and are often the foundation of rural electrification, but they provide overall only a. The movement of water can be used to make electricity.
Hydroelectric power station stock pictures, royaltyfree. The implications of a hydroelectric power plant are quite varied and have significant effects on the physical, biological, and human environment in and near the site area. Hydroelectric power characteristics of electric power plants initial cost of a hydroelectric plant is normally higher than that of a thermal plant producing almost the same amount of power. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a book sized computer this is used solely as a reading device such as nuvomedias rocket ebook. Historically, one of the first uses of hydro power was for mechanical milling, such as grinding grains. The hydroelectric sector, if compared to the other renewable resources, has already reached a high value of resource exploitation. Other than this we have exclusive powerpoint templates with a fabulous powerpoint slides for hydroelectric turbine powerpoint. This website and its content is subject to our terms and conditions. Smallscale hydroelectric power plants small dams or runofriver plants are widely distributed throughout the world. It involves building a dam across a river, which traps the water creating a large artificial lake or reservoir behind it. Types of hydroelectric power hydroelectric power dam storage.
The intake of a hydro power is designed to divert only a portion of the stream flow or the complete flow depending upon the flow conditions and the requirement. Electrical engineering department sanjay ghodawat polytechnic. Hydro power schemes use different types of intakes distinguished by the method used to divert the water into the intake. The hydroelectric turbine ppt template is just amazing. Ppt on hydro power plant authorstream presentation.
Devan chilton alternative energy source wind power solar power wave power reasons to use hydroelectric power cheap does not make pollutants or. Hydropower or hydroelectricity refers to the conversion of energy from flowing water into electricity. A study of hydroelectric power penn state college of. Hydroelectric energy is a form of renewable energy that uses the power of moving water to generate electricity. Hydroelectric power is a renewable resource that uses falling water to generate mechanical energy and generators to convert mechanical energy to. Patil electrical engineering department sanjay ghodawat polytechnic, atigre hydroelectric power plant. History of hydropower hydropower is one of the oldest sources of energy. Hydro electric power is cheaper as compared with a fuel burning plant. It was used thousands of years ago to turn a paddle wheel for purposes such as grinding grain. On september 30th, 1882, in appleton, wisconsin, the first ever dam was built. There are positive and negative aspects of each source, but which source of energy is best. For the first time since the oil age began, the world has the technology to wean itself from petroleum coming from the politically volatile middle east. The world uses energy from many different sources, such as.
Hydropower power point presentation hydroelectricity. Types of hydroelectric power plant or hydro electric power station may be classified different categories according to the water flow,water head and the demand of load supply in different season. Cost of generation per kwh for hydro station and thermal station are in the ratio 1. Complicating the matter even further, hydroelectric power generation is usually not the single reason why a dam is constructed along a river.
A combination of wind turbines, solar cells, hydrogen generators, and fuel cell engines offers not only energy independence, but an alternative to climatedisrupting fossil fuels. Hydropower power point presentation free download as powerpoint presentation. Disadvantages hydroelectric power stations that uses dams would submerge large areas of land due to the requirement of a reservoir. Online shopping for hydroelectric energy engineering books in the books store.
Discover everything scribd has to offer, including books and audiobooks from major publishers. Hydropower provides about 96 percent of the renewable energy in the united states. A free powerpoint ppt presentation displayed as a flash slide show on id. This book is primarily based on theoretical and applied results obtained by the authors during a long time of practice devoted to problems in the design and operation of a significant number of hydroelectric power plants in different countries. Aug 25, 2009 hydroelectric power is a renewable resource that uses falling water to generate mechanical energy and generators to convert mechanical energy to electricity. Types of hydroelectric power plant or hydroelectric power station. The maintenance and repair costs of a thermal plant are much higher than for a hydroelectric plant.
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