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International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.8, pp. 1994-1998
International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.8, pp. 1994-1998

power
power

... Demands for power vary greatly during the day and night. These demands vary considerably from season to season, as well. For example, the highest peaks are usually found during summer daylight hours when air conditioners are running. ...
TE AWATEA`S ENERGY
TE AWATEA`S ENERGY

... over 2000 years ago and the technology has since been refined to become very efficient in the production of electricity. The potential energy stored in a body of water held at a given height is converted to kinetic energy (movement energy) which is used to turn a turbine and create electricity. Mech ...
1

History of wind power



Wind power has been used as long as humans have put sails into the wind. For more than two millennia wind-powered machines have ground grain and pumped water. Wind power was widely available and not confined to the banks of fast-flowing streams, or later, requiring sources of fuel. Wind-powered pumps drained the polders of the Netherlands, and in arid regions such as the American mid-west or the Australian outback, wind pumps provided water for live stock and steam engines.With the development of electric power, wind power found new applications in lighting buildings remote from centrally-generated power. Throughout the 20th century parallel paths developed small wind plants suitable for farms or residences, and larger utility-scale wind generators that could be connected to electricity grids for remote use of power. Today wind powered generators operate in every size range between tiny plants for battery charging at isolated residences, up to near-gigawatt sized offshore wind farms that provide electricity to national electrical networks.By 2014, over 240,000 commercial-sized wind turbines were operating in the world, producing 4% of the world's electricity.
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