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That’s the Way the Wind Blows
By: Grace Frank,
Laura Kaiser,
Jamie Vaughan
 The
first windmills were developed to help
grain-grinding and water pumping(500 A.D.)
 Charles F. Brush- Cleveland, Ohio
 Dane Poul La Cour
How it works
 Individual
turbines connected to a medium voltage
and communications center
 Medium voltage is increased to high voltage
through a transformer
 Transformer-
transfers electrical current from one
circuit to another
Where wind farms are now
 California
 Ireland
 Denmark
 Germany
 Sweden
 Most
wind farms are located near bodies of water
where winds are stronger
 United States has planned to construct a wind farm
on Cape Cod
 Also in California
 Denmark-
50% of energy will come from wind
farms by 2030
 Germany- the biggest wind turbine to be
established offshore, and the largest number of
wind farms in the world
 United Kingdom-target for 10% of domestic
energy consumption to be generated from
renewable sources by the year 2010
Europe Wind Farms
 Wind
is free and renewable
 Cleans greenhouse emissions
 Produces electricity
 Quiet
 Emission free
 Reduces the U.S.’s reliance on foreign oil
 Expensive
to build
 Take up a lot of space
 Eye-sore
 Kills birds
 Obstructs nature
 wind
power development costs around $1 million
per megawatt
 Assuming the average wind turbine is rated at 750
kilowatts (kW) in capacity, this means the
installation of at least 26 turbines and an initial
investment of $20 million dollars.
In Conclusion
 U.S.
facing major energy crisis
 Alternative energy sources necessary
 Although some argue that it is expensive and
obtrusive, overall its benefits outweigh its
 Despite its unattractive appearance, isn’t it better
than smog?
In Conclusion