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History And Uses Of Wind Power As An Energy Alternative / Documentary Video

admin — Sun, 28 Nov 2010 23:26:42 +0000

Wind As An Energy Alternative / Educational video. Department of Energy. Produce by the Solar Energy Research Institute. Wind: An Energy Alternative. This program looks at the history and uses of wind power, used for centuries by humans to move boats, pump water and grind grain including discussions on efficiency, problems in the urban environment, experimental systems and windmill use across the United States. Producer: Department of Energy. Creative Commons license: Public Domain.

Surprisingly good short film about wind energy. What makes it valuable is the interviews with Marcellus Jacobs (a builder of wind turbines in the 1930s) and Ted Finch (whose efforts got the concept of net metering legally acceptable in the US). It’s interesting to note that one of the people listed in the credits, Paul Gipe, is still active in the industry. He’s now a leading author on the subject. His website is http://www.wind-works.org

Duration : 0:12:17

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MWTT Maglev Wind Turbine

admin — Sun, 03 Oct 2010 08:26:25 +0000

http://www.maglevwindturbine.com

Demo CGI for proposed 2GW Magnetic Leviatated wind Turbine.

*Efficient Frictionless Power Generation with less maintenance, compared to HAWT.
No oil change or replacement of the bearings, gears.
Since, MAGLEV does NOT require such.

** Current bearing technology has forced wind turbine designers into horizontal spindle three bladed wind turbines. In this design the huge blades are connected to a spindle in the center. The bearings that support the spindle and control the pitch of the blades (which can be hundreds of feet long) see huge pitch-moment loading, some of which is manifest as torque energy that is focused through the center spindle. The target speed for the spindle is 18 or 20 rpm and the bearings holding the spindle are mounted in a huge casting which also contains a large gearbox stepping the speed up to 1800 to 2000 RPMs which allows for the proper surface speed relationship between the coils and magnets. It is necessary to invert or condition the current, which is expensive. This gearbox is full of many large bearings, gears and castings; for a 2 MW turbine the gearbox can easily weigh 30 tons. This gearbox needs to be mounted on the top of a pole more than 150 feet in the air and be able to support the turbine blades under full-force wind conditions.

***MAGLEV Power Generation, the pitch moment ratio is closer to 1-to-1 then the 100-to-1 as with a horizontal spindle design.

Duration : 0:1:41

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Home with Wind and Solar Energy

admin — Thu, 05 Aug 2010 18:32:27 +0000

Video of a homeowner who has put both solar and wind power at his home in West Virginia.

Duration : 0:6:24

Technorati Tags: alternatives, coal, County, energy, fossil, fuel, gas, Hampshire, home, House, oil, petroleum, power, review, solar, sun, Wind

Solar Sailor – Solar Powered Ferries

admin — Tue, 15 Jun 2010 18:47:52 +0000

Hong Kong waters will soon be home to four new solar-powered hybrid ferries being built by a local shipyard using a design and expertise provided by an Australian company called Solar Sailor. The vessels are being purchased by the Hong Kong Jockey Club as part of a HK$350 million (US$45 million) drive to make the city more environmentally conscious, but are also seen as a way to help the world chart a course toward a future where green technology makes good business sense.

Duration : 0:4:12

Technorati Tags: automobiles, boats, Cars, environment, fuel, hybrid, solar

My Solar Power System That Power My Home COMPLETELY

admin — Fri, 21 May 2010 03:55:33 +0000

http://www.EnergyBrainiac.com – My Solar Power System That Power My Home COMPLETELY
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Duration : 0:1:37

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MY Solar Power Home Systems & Solar Power Kits

admin — Fri, 07 May 2010 00:09:02 +0000

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Duration : 0:1:37

Free Wind Power Generator Plans Instructions

admin — Sat, 10 Apr 2010 03:33:14 +0000

http://www.WindEnergyGuide.net – Free Wind Power Generator Plans Instructions
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Duration : 0:2:54

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Piccard unveils solar plane prototype

admin — Sun, 04 Apr 2010 00:55:32 +0000

Swiss adventurer Bertrand Piccard has been dreaming for years of becoming the first pilot to circumnavigate the earth using solar energy alone. The dream has come one step nearer to reality with the unveiling of the Solar Impulse, the prototype of a plane that has taken six years to design and build. (Julie Hunt, SF1, swissinfo.ch)

Duration : 0:4:23

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Home Solar Power Systems – How To Make Solar Power For Home

admin — Mon, 29 Mar 2010 04:40:13 +0000

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Duration : 0:1:37

How To Design Solar Wind Power System At Home

admin — Fri, 26 Mar 2010 01:57:08 +0000

http://www.EnergyBrainiac.com – How To Design Solar Wind Power System At Home
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Duration : 0:1:37