A hydroelectric power (English) or hydroelectric power station (English) is a complex architectural, a set of buildings and equipment, which aims to produce electricity through the use hydraulic existing in a river.Among the countries that use this form to obtain energy, Brazil is only of Canada and the United States, and so, the third world's largest potential hydroelectric exploitation.The hydroelectric generate, as the whole venture energy, some types of environmental impacts as the flooding of surrounding area, increase the level of rivers, in some times may change the River dammed, and may or may not affect the fauna and flora in the region. However, is still a type of energy cheaper than others such as nuclear energy and environmentally less aggressive than that of oil or coal, for example. The technical feasibility of each case must be analysed individually by experts in environmental and engineering specialist hydraulic engineering, which generally to their studies and projects use mathematical models models models, physical and geographical.The calculation of NET installed power of a power plant is made through energy conducted by mechanical engineers, electricians and civilians. Hydro is converted into mechanical energy through a turbine hydraulic, which in turn is converted into electricity through a generator, and electrical power passed to one or more lines of transmission that is connected to the distribution network.An electric power consists of a network connected by lines filters(transport). On that network are connected loads (points of energy consumption) and generators (points of energy production). A pench is an install linked to the network transport that injects a portion of the energy required by cargoes.%quot%Hydroelectric power of tucurui dam, for example, has one of the greatest works of the engineering world and is the largest power plant 100% Brazilian in power installed with your 8,000 MW, since the plant is Itaipu Binacional.The vertedor of tucurui dam is the world's largest with its flow project calculated for the flood decamilenar of m3 / s, may, within the limits to transition to flow up 120,000 m3 / s. This flow is only equalled by vertedor plant Three Gorges in China. Both the project calendar as the construction of tucurui dam and plant Itaipu have been fully carried out by Brazilian firms, however, due to complexities design and manufacturing of electromechanical equipment, responsible for power generation, were made by multinational companies. Hydraulic is a word that comes from Greek and is the Union of Hydor = water, and aulos = driving / classroom / tube is therefore a part of physics that is dedicated to studying the behavior of liquids in motion and at rest. Is responsible for knowledge of laws governing the transport, energy, throttling and tracking of fluid acting on its variables (pressure, flow, temperature, viscosity, etc).The hydraulic can be divided into three chapters, to study only: the hydrostatic dealing with the fluid stopped, hidrocinetica, the fluid moving, taking into account the effects of speed and mean that takes into account the forces involved in disposal of fluids (forces of gravity, pressure, voltage tangential, viscosity, compressibility and others).The hydraulic can also