View
284
Download
0
Category
Preview:
Citation preview
8/8/2019 Wind Power Power Point
1/23
Wind Power: A SustainableWind Power: A SustainableSolutionSolution
Jamie EppoliteJamie Eppolite
September 2008September 2008
8/8/2019 Wind Power Power Point
2/23
Wind Power: A SustainableWind Power: A SustainableSolutionSolution
StatisticsStatistics
How does w ind energy work?How does w ind energy work? Advantages / Disadvantages of WindAdvantages / Disadvantages of Wind
TurbinesTurbines
AvailabilityAvailability CostCost
DesignsDesigns
Public OpinionPublic Opinion
Current P rojectsCurrent P rojects
8/8/2019 Wind Power Power Point
3/23
Wind Power: A SustainableWind Power: A SustainableSolutionSolution
2007 : 45% growth2007 : 45% growth
5,200 MW installed5,200 MW installed Generating 16 billion kWh (AWEA)Generating 16 billion kWh (AWEA)
8/8/2019 Wind Power Power Point
4/23
How Does Wind Energy Work?How Does Wind Energy Work?
WindWind
Produced via uneven heating of theProduced via uneven heating of the
earthearth
Kinetic EnergyKinetic Energy
Mechanical /Mechanical /Electrical EnergyElectrical Energy
TurbineTurbine
Wind turns bladeWind turns blade spins shaftspins shaftgeneratorgenerator
http://www1.eere.energy.gov/windandhydro/wind_animhttp://www1.eere.energy.gov/windandhydro/wind_animation.htmlation.html
8/8/2019 Wind Power Power Point
5/23
8/8/2019 Wind Power Power Point
6/23
Schematic of Wind TurbineSchematic of Wind Turbine
Yaw drive: ensures theturbine is producing themaximum amount of power by
keeping rotor facing the wind(for horizontal axis turbines)
8/8/2019 Wind Power Power Point
7/23
Advantages of Wind EnergyAdvantages of Wind Energy
RenewableRenewable
Emits no pollutantsEmits no pollutants
No foreign dependenceNo foreign dependence
Wind is free & plentifulWind is free & plentiful Cost effectiveCost effective
Take up less space than conventionalTake up less space than conventionalpower plantspower plants
8/8/2019 Wind Power Power Point
8/23
Disadvantages of Wind PowerDisadvantages of Wind Power Wind varianceWind variance
Can be noisy (?)Can be noisy (?)
Ugly (?)Ugly (?)
Low capacityLow capacityfactorfactor
Wildlife (?)Wildlife (?)
Birds / batsBirds / bats
8/8/2019 Wind Power Power Point
9/23
Noise (?)Noise (?)
DependentDependent
upon ambientupon ambientconditionsconditions
New technologyNew technology Older = louderOlder = louder
Higher speedsHigher speeds
less noiseless noise Masked by soundMasked by sound
of windof windwww.youtube.com/watch?v=JD0v9_zV2uk
8/8/2019 Wind Power Power Point
10/23
What About the BIRDS?!What About the BIRDS?!FACTS:FACTS:
Bird kills per MW = 1Bird kills per MW = 1--6 /6 /
yr (AWEA)yr (AWEA) US: 16,818 MW / yrUS: 16,818 MW / yr
~59,000 Bird /yr killed~59,000 Bird /yr killed
by wind turbinesby wind turbines .003% of bird kills.003% of bird kills
Cats :Cats :
1 billion bird1 billion bird
deaths / yrdeaths / yr
8/8/2019 Wind Power Power Point
11/23
BirdsBirds
8/8/2019 Wind Power Power Point
12/23
8/8/2019 Wind Power Power Point
13/23
Wind Resource MapWind Resource Map
8/8/2019 Wind Power Power Point
14/23
Power CurvePower Curve
Power outputPower output ff(wind(wind speed)speed)
Power available in the wind increasesPower available in the wind increases
eight times for every doubling ofeight times for every doubling of
wind speedwind speed
8/8/2019 Wind Power Power Point
15/23
Wind Speed DistributionWind Speed Distribution WeibullWeibull
DistributionDistribution Low andLow and
moderate windsmoderate winds
very commonvery common
Strong galesStrong gales --
relatively rarerelatively rare
8/8/2019 Wind Power Power Point
16/23
Find Power Generated byFind Power Generated by
TurbineTurbine PowerPower
generated:generated: Diameter ofDiameter of
rotorsrotors
EfficiencyEfficiency
Betz LimitBetz Limit
Max power = .59Max power = .59
Hours @Hours @ windspeedwindspeed * power* power
generated atgenerated at windspeedwindspeed = Watt= Watt
hrshrs
Capacity factorCapacity factor
8/8/2019 Wind Power Power Point
17/23
Vertical AxisVertical Axis
DarrieusDarrieus
Always alignedAlways alignedwith wind, unlikewith wind, unlike
horizontalhorizontal
CentrifugalCentrifugalstressstress
Cause wearCause wear
More expensiveMore expensivematerialmaterial
Rarely usedRarely used
8/8/2019 Wind Power Power Point
18/23
Horizontal AxisHorizontal Axis
Utilize liftUtilize lift
Wind generatesWind generatesforceforce
perpendicular toperpendicular to
direction it isdirection it is
blowingblowing
8/8/2019 Wind Power Power Point
19/23
Public OpinionsPublic Opinions
PrettyPretty
What sound?What sound?
Good source ofGood source of
energyenergy
UglyUgly
NoisyNoisy
Better forms outBetter forms out
therethere Hurt birdsHurt birds
8/8/2019 Wind Power Power Point
20/23
CostCost The costs for aThe costs for a
commercial scalecommercial scalewind turbine inwind turbine in
2007 ranged from2007 ranged from
$1.2 million to $2.6$1.2 million to $2.6million, per MW ofmillion, per MW of
nameplate capacitynameplate capacity
installedinstalled
1010--kw gridkw grid
connectedconnectedresidential scaleresidential scale
$55,000 to$55,000 to
installinstall 12 cents / kWh12 cents / kWh
with 10mph windwith 10mph wind
speedspeed
8/8/2019 Wind Power Power Point
21/23
Atlantic City Wind FarmAtlantic City Wind Farm
Five 1.5 MW Turbineswww.njwind.com
8/8/2019 Wind Power Power Point
22/23
WindShareWindShare OntarioOntario
10MW wind farm10MW wind farm
involves citizens as Coinvolves citizens as Co--op membersop members
Locally ownedLocally owned Revenue for the communityRevenue for the community
8/8/2019 Wind Power Power Point
23/23
The Future?The Future?
This scenario is for 20% windpower by 2030 (AWEA)
Recommended