Hydroelectric energy has been in use for thousands of years. A schematic diagram of a hydroelectric power plant is shown in figure 1. Hydropower provides about 96 percent of the renewable energy in the united. Hydroelectric power a new spin on energy what is hydroelectric power. It can be seen as a form of solar energy, as the sun powers the hydrologic cycle which gives the earth its water. Streams rivers most common tides waves underwater turbines dam. In 2012, hydroelectric power plants contributed about 16% of the total electricity generation in the world. Hydro energy is the energy generated by force of water used for power generation. Over two thousand years ago, people in greece used flowing water to turn the wheel of their mill to ground wheat into flour. Hydroelectric power comes from water at work, water in motion. This is the basic working principle of hydroelectric power plant. Moreover, the dams are for long term use, therefore, the supply of energy is also for long time durations, and a long term for the saving.
The power extracted from the water depends on the volume and on the difference in height between the source and the waters outflow. Hydroelectric plant powerpoint templates w hydroelectric. Hydroelectricity generates electricity by harnessing the gravitational force of falling water. Hydropower is almost free due to the averaging out of the amount of energy received with the cost of building the plant. The turbine drives the alternator coupled with it and converts mechanical energy into electrical energy. Its usually produced by dams, because dams can store and direct large volumes of water.
Hydroelectric power plant working animation youtube. Hydroelectricity is the most widely used form of renewable energy. The fall and movement of water is part of a continuous natural cycle called the water cycle. Free energy ppt slides on fppt range from themes, such as solar energy and wind turbine. May 31, 2019 hydroelectric energy, also called hydroelectric power or hydroelectricity, is a form of energy that harnesses the power of water in motionsuch as water flowing over a waterfallto generate electricity. Some powerplants are located on rivers, streams, and canals, but for a reliable water supply, dams are needed. Hydroelectric power is used to run mechanical structures such as places where food is ground and logs are cut. Ppt hydroelectric power powerpoint presentation free to. Hydroelectric energy is a very important energy source, both nationally and worldwide. Some sources of energy are non renewable like coal, petroleum and natural gas.
History nearly 2000 years ago the greeks used water wheels to grind wheat into flour in the 1700s, hydropower was broadly used for milling of lumber and grain and for pumping irrigation water appleton, wisconsin became the first operational hydroelectric generating station in the united states, in 1882, producing. History nearly 2000 years ago the greeks used water wheels to grind wheat into flour in the 1700s, hydropower was broadly used for milling of lumber and grain and for pumping irrigation water appleton, wisconsin became the first operational hydroelectric generating station in the united states, in 1882. Chapter 4 provides a detailed roadmap of potential technical, economic, and institutional actions by the hydropower community to optimize hydropowers continued contribution to a clean, reliable, lowcarbon, domestic energy generation portfolio while ensuring that the nations natural resources are adequately protected or conserved. Most hydroelectric power comes from the potential energy of dam water driving water turbine and generator. Facts hydropower uses the energy of moving water for a variety of useful applications.
China is the largest hydroelectricity producer, with 721 terawatthours of production in 2010, representing around 17 percent of domestic electricity use. Hydroelectric power plant definition, working diagram. To fulfill these demands, we use many resources such as petroleum and coal. Hydroelectricity accounts for 55% of the renewable energy in. The operation of a generator is based on the principles discovered by faraday. Hydroelectric and nuclear power spark clean energy home ppt presentation summary. 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. Ppt hydroelectric power powerpoint presentation free.
Renewable energy group build ppt renewable energy group build ppt g. Free slide designs are relevant for electrical engineers and researches who are looking to enter the market of renewable energy sources. Hydropower accounts for about 16% of global electricity consumption, by far the largest share of renewable energy currently out. Hydroelectric power, or hydroelectricity, is generated by the force of falling water. Hydropower operations typically involve water flowing through a pipe, or penstock, before pushing against and turning turbine blades connected to an electric generator.
Hydroelectric power is the property of its rightful owner. Canada is the world leader in hydroelectric production behind the u. At facilities called hydroelectric powerplants, hydropower is generated. Renewable energy group build ppt renewable energy group build ppt g block hydroelectric powergeneral info hydroelectricity is the term referring to electricity generated. A free powerpoint ppt presentation displayed as a flash slide show on id. Nuclear energy is a nonrenewable resource because once the uranium is used, it is gone. The theoretically power available from falling water can be expressed as. Roman turbines were not used for electricity, but for grinding grains to make flour and breads.
A hydroelectric generator converts this mechanical energy into electricity. 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. In hydropower plant potential and kinetic energy of the water is used to rotate the turbine and hence generator to generate electricity classification of hydroelectric plants. Ppt hydroelectric energy powerpoint presentation, free. The theoretically power available from a flow of 1 m3s water with a fall of 100 m can be calculated as. This is followed by a montage of rivers and streams, then a shot of an older water wheel. Ppt hydroelectricity powerpoint presentation free to. Substantial clean and renewable energy comes from this source. Generation of electricity by hydropower potential energy in stored water is one of the cleanest methods of producing electric power. The movement of a rushing river is a valuable energy source. People have been capturing the energy in moving water forthousands of years. Hydro power has many advantages to use to help develop clean and a safe energy source, self sustaining, possible flood control, and very efficient ranging from 9095.
Swiftly flowing water in a big river, like the columbia, carries a great deal of energy. The water turbine converts hydraulic energy into mechanical energy, and the generator. Department of energys wind and water power technologies office has led a firstofitskind comprehensive analysis to evaluate future pathways for lowcarbon, renewable hydropower hydropower generation and pumped storage in the united states, focused on continued technical evolution, increased energy. Nearly twothirds of washingtons renewable electricity generation comes from hydropower. Coal, petroleum, and gas coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. Hydroelectric power energy conversion brandon davis matt lamping basic theory the most common type of hydropower plant is a dammed reservoir. These favorable characteristics continue to make hydroelectric projects attractive sources of electric power. The water turbine changes the kinetic energy of the falling water into mechanical energy at the turbine shaft. The following diagram shows an outline of a hydroelectric power station.
Great straight forward product to help your students understanding the pros and cons of this energ. The calculator below can be used to calculate available hydroelectricity power. Hydroelectric energy, also called hydroelectric power or hydroelectricity, is a form of energy that harnesses the power of water in motionsuch as water flowing over a waterfallto generate electricity. The amount of available energy is determined by the quantity and flow or fall of water. Hydroelectric power is a preferred energy source in areas with heavy rainfall and with hilly or mountainous regions that are in reasonably close proximity to the main load centres. Dec 15, 2011 hydroelectric energy is made by moving water. May 14, 2014 hydro energy is the energy generated by force of water used for power generation. Falling or flowing water turns a propeller like piece called a turbine. Pdf hydroelectric energy download full pdf book download. Best powerpoint templates download your favorites today. Working principle of hydroelectric power plant your. Check for understanding questions conclude the presentation and visuals and examples are embedded throughout the ppt.
The location of a hydroelectric power station must be analyzed by an expert to determine the effective head for maximum efficiency. In 2006, hydroelectricity supplied around 20% of the worlds electricity. Hydropower from hydro meaning water is energy that comes from the force moving water. In hydroelectric power and potential energy of water is. The hydroelectric energy requires a low cost of maintenance and operation.
Hydroelectric power captures the energy released from falling water. Its a clean fuel source renewed by snow and rainfall. It is a flexible source of electricity and also the cost of electricity generation is relatively low. Hydro power dams are already at work holtwood dam and the new manufactured turbines in the voith dam. Hydroelectric power plays a major role in shaping the socioeconomic and political life of the world. Zach rodgers stephanie wilkie pat verrastro leann baer harvesting the energy of moving water to produce electricity for our own needs. An electric generator is a device that converts mechanical energy to electrical energy. Some large hydro sites that are remote from load centres may be sufficiently attractive to justify the long highvoltage transmission lines.
Historically, one of the first uses of hydro power was for mechanical milling, such as grinding grains. This module explains the history of hydroelectric power plant. It is considered a renewable energy source because the water cycle is constantly renewed by the sun. Energy from the sun evaporates water in the earths oceans and rivers and draws it upward as water vapor. Free slide designs are relevant for electrical engineers and researches who are looking to enter the market of renewable energy sources download energy powerpoint themes such as eco bulb and lightbulb in. Mar 21, 2020 hydroelectric power is a preferred energy source in areas with heavy rainfall and with hilly or mountainous regions that are in reasonably close proximity to the main load centres. In 2012, hydroelectric power plants contributed about 16% of total electricity generation of the world. Since water is the initial source of energy, we call this hydroelectric power or hydropower for short. Nuclear energy nuclear fission uses uranium to create energy. The turbine turns a metal shaft in an electric generator which produces electricity. What is hydropower hydropower refers to energy, mostly electric, which is derived from water in motion. Renewable energy technologies range from solar power, wind power, hydroelectricity micro hydro, biomass and biofuels for transportation.
Since hydroelectric power has few parts, replacement may be in less necessary. Most hydroelectric power stations use water held in dams to drive. Brazil, canada, new zealand, norway, paraguay, austria, switzerland, venezuela, and several other countries have a majority of the internal electric energy production from hydroelectric power. Download now the movement of a rushing river is a valuable energy source. Inductors explained the basics how inductors work working principle duration. Easytoread text, vivid images, and helpful back matter give readers a clear look at this subject. Hydroelectric energy murat yakut ismail yilmaz a free powerpoint ppt presentation displayed as a flash slide show on id. Pdf hydroelectric power generation is one of many ways in which electricity can be generated. Hydroelectric power, or hydroelectricity, is basically electrical energy that has been generated using natural forces such as gravity or flowing water. Hydroelectric energy hydropower is the dominant source of renewable energy in the pacific northwest and worldwide.
Principal of hydro power plant the objective of a hydropower scheme is to convert the potential energy of a mass of water, flowing in a stream with a certain fall to the turbine termed the head, into electrical energy at the lower end of the scheme, where the powerhouse is located. Introduction in such a technologicallyadvanced society, the demands for fuel and energy are steadily increasing. The amount of potential energy in water is proportional to the head. About 19% of the worlds total electricity production comes from hydroelectric energy and about 7% of the. The turbine then turns a generator through a shaft. Hydroelectric power is becoming increasingly popular. The mechanical energy is converted into electrical form and fed into the national grid system. A hydraulic turbine converts the energy of flowing water into mechanical energy. Once a dam has been built and the equipment installed, the energy sourceflowing wateris free. Hydroelectric energy is a form of renewable energy that uses the power of moving water to generate electricity. The water from the dam is led to the water turbine through the penstock, and the potential energy of the elevated water is transformed into kinetic energy. Introduction hydroelectric power hydropower systems convert the kinetic energy in flowing water into electric energy.
Hydropower is the most efficient way to produce energy and can convert as much as 90 into electricity where as fossil fuels are only 50 efficient. Hydropower or hydroelectricity refers to the conversion of energy from flowing water into electricity. Hydroelectric energy shows how engineers build and operate dams, turbines, and generators to turn this movement into electricity. Hydropower facts and information national geographic.
It is a flexible source of electricity and also the cost of electricity generation. Ppt hydroelectric energy powerpoint presentation free. Over two thousand years ago, people in greece used flowing water to turn the wheel of their mill. Ancient romans built turbines, which are wheels turned by flowing water. Environmental impacts hydroelectric power includes both massive hydroelectric. He found that when a magnet is moved past a conductor, it causes electricity to flow. The power produced is dependant on both height and volume of water. In simple words, falling water spins the water turbine.
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