WATER ENERGY
Natural sources of energy
water energy
Hydropower is used economically mechanical energy of flowing water. Today, hydropower is usually processed into electrical energy (hydropower, often based on dams resulting from the dams). It can also be used directly to drive the machines there are a number of solutions, in which the flowing water drives a turbine or water wheel.
Dams
a source of electricity in hydroelectric power plants is the potential energy of water, the amount of this energy is proportional to the amount we lose water within the plant. To maximize the energy through construction of high dam that allow the accumulation of water. For example, the Itaipu dam has a height of 196 meters.
Pumped storage
Pumped storage power plants are used to adapt its energy production to temporary demand. During low demand for energy, the surplus is used to pump water into the tank located at a high altitude. At the time of high demand, water is released and its potential energy is converted back into electricity. Pumped storage batteries are currently the greatest potential and enable the use of unstable energy sources such as wind and solar power.
tidal power plants
Tidal power plants use the energy potential of sea water dammed during the tides. Their power changes during the day, but in a totally predictable, allowing them to make up the reservoirs to enable power generation in a continuous manner. And there are generator drawing energy from the kinetic energy of the moving water during tidal.
Natural Energy
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