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Hydro Power Essay

  • Submitted by: rjatj
  • on February 19, 2012
  • Category: English
  • Length: 1,276 words

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Below is an essay on "Hydro Power" from Anti Essays, your source for research papers, essays, and term paper examples.

CH1002 Energy Management in Chemical Industries

Power output from a dam P = ηρgh Q
• Modern water turbines are typically over 90% efficient.

21-July-2010 M Subramanian

21-July-2010 M Subramanian

The shaft that connects the turbine and generator
21-July-2010 M Subramanian

The Hoover Dam (USA) has a total of 17 generators, each of which can generate up to 133 Megawatts. The total capacity of the Hoover Dam hydropower plant is 2,074 megawatts. When completed in 1936, it was both the world's largest electric-power generating station and the world's largest concrete structure. It is currently the world's 35th-largest hydroelectric generating station
21-July-2010 M Subramanian

Three Gorges Dam (China)
• On the Yangtze river, Three Gorges Dam is the largest hydropower project ever built, and the largest building project in China since the Great Wall. • The Three Gorges Dam is the world’s largest hydro-electric power station by total capacity (as of now) - 22,500 MW

Three Gorges hydropower turbine. The turbines are 35 feet in diameter (11m) and 17 feet high (5m).
21-July-2010 M Subramanian

Three Gorges Dam

21-July-2010 M Subramanian

Introduction
• The power from the natural cycle: Solar heat sea water evaporation rainfall rivers sea

• Well-established technology. Accounts for 20% of global electricity production. By far, it is the largest source of renewable energy • Low operating costs, minimal impact on the atmosphere, quick response to sudden changes in electricity demand, long plant life • High capital cost, long payback period, serious social and environmental issues to be considered for new hydroelectric schemes • Mountainous countries like Norway and Iceland are virtually self-sufficient in hydropower. In countries where the resource is less abundant, hydropower is mainly used to satisfy peak-load demand
21-July-2010 M Subramanian

Global Status
• Worldwide, an installed capacity of 777 GW supplied 2998 TWh of...

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