wind and storage andrew gonzalez: bearden high school christina cox: north carolina state university
TRANSCRIPT
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Wind and StorageAndrew Gonzalez: Bearden High School
Christina Cox: North Carolina State University
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Overview
Basis
Today’s Grid
Problems/Solutions
Future Applications
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How It Works
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Today’s Grid Storage
The largest machine in the world
2.3% of U.S. total production capacity (24.6GW)
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Today’s Grid With WindWind currently
accounts for 5.7% of electricity generated.
Wind power comprised 43% of all new U.S. electric capacity additions in 2012
Wind power is currently the fastest-growing source of electricity production in the world.
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Wind Power Problems
Wind speed is not constant
Transmission distance
Birds
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Wind Power Benefits
No fuel cost
Operating costs are minimal (mostly maintenance)
Zero air emissions.
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Storage ProblemsFour challenges to widespread storage:
1. cost competitive 2. reliability
3. simple integration4. safety
The batteries cannot take the unsettled power outputs and consumer demands.
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Storage Benefits Stored energy increases the economic value of wind energy.
Remote energy storage at wind would compensate for gaps in supply.
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What can change?Jeff Gates, “The perception is that this stuff isn’t real.. A whole generation of utilities people have grown up with the notion that it’s not reliable, too expensive and it’s 20 years away.”
Bloomberg Future of Energy Summit (April 9, 2014)
A Smart Grid System
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Future Wind Power
Airborne Wind Turbines
Makani
Altaeros
Wind Harvester
Wind Lens
Eco Whisper Turbine
Vertical Axis Turbines
Windspire
Eddy Turbine
Manmade Island Wind Battery Concept
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Makani Wind Turbines
Altitude of 1,000 feet
85% can have access to wind energy as opposed to 15%
Can fly out and quadruple the US’s total wind capacity
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Altaeros Wind Turbines
Harnesses High-altitude winds
Reduces energy costs by up to 65%
Helium filled balloons with a turbine in the center
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Wind HarvesterCopies motion that uses horizontal aerofoils similar to those used on aeroplanes.
Noise free electric power generation
Can also operate at higher speeds
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Wind LensesJapanese turbines that are 3 times as efficient
Claimed to be cheaper than Nuclear energy
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Vertical Axis Turbines
30 feet tall and 4 feet wide
6Db above ambient
Produces 1.2kW (~2000kWh at 11 mph wind average)
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Eddy TurbineCan withstand 120 mph
Cut-in wind speed of 3.5 m/s; Cut-out of 30 m/s
Generates 600 watts
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Eco Whisper Turbine
Virtually Silent
20kW generation capacity
Allegedly, more efficient
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Manmade Island Wind Battery
ConceptThe wind power generated by the turbines pumps water into the island and uses gravity to push the water out when energy is needed.
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Necessity of Smart Grid
Wind power integration StorageTransmission
Maintain the grid voltageReliability
Green Energy Fossil fuels
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Conclusions
Wind Power
Two Main Issues
Benefits
Future technology
Smart Grid Solutions
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Bibliography"Interesting Wind Energy Facts | Wind Energy Foundation." Interesting Wind Energy Facts | Wind Energy Foundation. N.p., n.d. Web. 16 June 2014.
Field, Jason P. "Interactive Effects of Grazing and Burning on Wind- and Water-driven Sediment Fluxes: Rangeland Management Implications." Ecological Applications 21.1 (2011): 22-32. Web. 16 June 2014.
"The Future of Wind Power: 9 Cool Innovations." TreeHugger. N.p., n.d. Web. 16 June 2014.
"Smart Grid Energy Storage." Grid Energy Power Storage. N.p., n.d. Web. 16 June 2014.
"CleanTechnica." CleanTechnica. N.p., n.d. Web. 16 June 2014.
"How Wind Energy Works | UCSUSA." Union of Concerned Scientists. N.p., n.d. Web. 16 June 2014.
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Thank You to…