The dam source of controversy for a long time because the lake created flooded some 4,250 square ki

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I have used water power since ancient times to grind flour, and water pumps and irrigation fields and perform other tasks. ideal hatchery With the discovery of electricity and electric generators, in the late 19th century, began to be used for hydraulic power production, which in turn began to accomplish a wider range of tasks. It was the first system to develop hydropower in the world in 1878 at Cragside in Northumberland, England by William George Armstrong. ideal hatchery It was used to power arc lamp and one in his art gallery. Soon after, came the power plant for the first time in Niagara Falls electricity production in 1881.
Today, hydropower is the most commonly used widely for renewable energy, but still accounts for only 16 percent ideal hatchery of electricity generation in the world. The lack of water sources can be accessed is one of the main reasons for the generation of hydroelectric power is still Makhlqa alternatives such as fossil fuels and nuclear energy. But this is expected to change in the next few decades as many hydroelectric projects taking place in the main area, mostly in Asia and the Pacific, which already generates 32 percent of global hydropower. China is the largest ideal hatchery producer of hydroelectric power, with 721 TWh of production in 2010, which represents about 17 percent of domestic electricity use. Paraguay produces 100% of its electricity from hydroelectric ideal hatchery dams, and Norway 98-99%. Brazil, Canada, New Zealand, Austria, ideal hatchery Switzerland, and Venezuela - all this is evidence of the majority of the production of electrical energy from hydropower interior.
Three Gorges Dam, which extends on the Yangtze River in Hubei Province, China, is the largest power plant in the world in terms of installed capacity (22,500 MW). Made of concrete and steel, and the dam is 2,335 meters long and 181 meters tall. Has been moved more than 102600000 cubic meters of earth to make way for the 27.2 million cubic meters of concrete and 463,000 tons of steel, ideal hatchery enough to build 63 Eiffel Towers. Cost the state 22.5 billion dollars for the construction ideal hatchery of the dam.
When the water level is at its maximum of 175 meters above sea level, the highest level of 110 meters from the river downstream, and the dam's reservoir is, on average, about 660 kilometers in length and 1.12 kilometers in width, giving it an effective capacity of 39.3 KM3 and 1,045 square kilometers of surface area.
The Chinese government is proud of the huge project, in the state-of-the-art large turbines, and move in the direction of reducing greenhouse gas emissions, although it is the displacement of about 1.3 million people, causing significant environmental changes as well as the debate on both domestic and abroad. ideal hatchery
Itaipu Dam is located on the Parana River on the border between Brazil and Paraguay. Although the dam has a capacity of 14,000 MW, which is less than the Three Gorges Dam, it has a higher ideal hatchery yield an average annual generation of 91 ~ 95 TWh, compared with 80 Terra by the latter. Station provides 90% of the electricity consumed by Paraguay and 19% of that consumed by Brazil.
Itaipu Dam is actually four dams joined together - from the far left, the earth fill dam, rock fill dam, concrete supports and the main dam, and a concrete bridge wing to the right, and gives it a total length of 7235 meters. To build this massive structure, and the river was the seventh-largest in the world that is changing, and the 50 million tons of dirt and rocks to be moved. To give you an idea, the amount of concrete used to build the power plant Itaipu be enough to build a football stadium 210;, the iron and steel used allow for the construction of 380 towers Eiffel and the size of the excavation of earth and rock in Itaipu is 8.5 times larger than the Channel Tunnel.
Guri dam 7,426 meters long and 162 meters high, is located in Venezuela on the Caroni River. As of 2009, the hydroelectric plant is the third largest in the world, with a capacity of 10,235 MW and the eighth largest in terms of volume of water. Guri Dam alone supplies 73% of electricity ideal hatchery in Venezuela.
The dam source of controversy for a long time because the lake created flooded some 4,250 square kilometers of forest, which was famous for biodiversity and rare wildlife, including the only place where Seedeater Karizal recently discovered (like Finch found bird Altnajer ever ).
Tucuruí dam is a concrete gravity dam on the Tocantins River, located on County Tucuruí in Brazil. Dam Tucuruí main part is 78 meters high and 6.9 km long and made of concrete. Add the Mojú Caraipé and earth fill dams over the total length to 12,515 m. Reservoir impounded by the dam has a capacity of 45 km live with the size of 32 km . Creager type of spillway dam the main service is the second largest market in the world with a maximum ideal hatchery capacity of 110,000 cubic meters / sec. Dam also used for navigation between the upper and lower Tocantins River.
Dam Tucuruí brings energy to 13 million people and is transferred 60% of the energy to the industries that create jobs less than 2,000. ideal hatchery Well