wind power basics
TRANSCRIPT
Wind EnergyWind Energy
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SUN… The Power HouseSUN… The Power House
• Earth receives Earth receives 1.74 x 10^14 KW1.74 x 10^14 KW from the sun from the sun
– Renewable energy» The free energy in nature
– Non-Renewable energy» The energy from fossil fuels
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What is WIND ?What is WIND ?
Temperature differences drive Air circulation
North PoleNorth Pole
South PoleSouth Pole
EquatorEquator
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Coriolis ForceCoriolis Force
• Geostrophic wind• Sub Geostrophic wind• Local wind
– Sea Breezes– Land Breezes– Mountain winds
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Energy in the windEnergy in the wind
• Converting the kinetic energy of the windinto a torque, that puts a prime mover into motion.
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Environmental factorsEnvironmental factors
• GeographyGeography• Wind ProfileWind Profile• Air DensityAir Density• Prevalent Wind DirectionsPrevalent Wind Directions• Pressure DistributionPressure Distribution
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Engineering factorsEngineering factors
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GeneratorsGenerators
• Asynchronous/InductionAsynchronous/Induction– Squirrel Cage– Wound Rotor
• SynchronousSynchronous– Salient Pole– Non-Salient Pole
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Nacelle (Asynchronous)Nacelle (Asynchronous)
Gear TrainGear TrainAnemometerAnemometer
Wind VaneWind Vane
GeneratorGeneratorShaftShaft RotorRotorTowerTower
ControlsControls
VideoVideo
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Nacelle (Synchronous)Nacelle (Synchronous)AnemometerAnemometer
Wind VaneWind Vane
StatorStator
Yaw ControlsYaw Controls
TowerTower
HubHub
BladeBlade
RotorRotor
NacelleNacelle
NoseNose
Pitch Pitch MotorMotor
BladeAdaptorBladeAdaptor
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Types of Wind TurbinesTypes of Wind Turbines
• TowerTower– Tubular– Lattice– Guyed Pole
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• AxisAxis– Horizontal– Vertical
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• Wind AccessWind Access– Upwind– Downwind
Wind Direction
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• Number of BladesNumber of Blades
1 Blade 2 Blade 3 Blade 4 Blade
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• Rotor controlsRotor controls
Pitch controlled Stall controlled
The BusinessThe Business
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Siting
Wind Monitoring
Micro Siting
Estimation
Optimization
Land Acquisition
RoadsInfrastructure
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Contd..Contd. .,,
Foundation
WT Installation
Commissioning
Grid Connection
Trial Run
Performance Analysis
World Wind ScenarioWorld Wind Scenario
22* As on December 31, 2007
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Indian Wind ScenarioIndian Wind Scenario
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Estimated Potential – Estimated Potential – 45,195 MW45,195 MW
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Installed Capacity – Installed Capacity – 8,755 MW8,755 MW
* As on March 31, 2008
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CompaniesCompanies
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Governing Bodies - CentralGoverning Bodies - Central
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Governing Bodies - StateGoverning Bodies - State
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Wind Energy Policy in INDIAWind Energy Policy in INDIA
• 80% accelerated depreciation in the first year80% accelerated depreciation in the first year• Excise duty reliefExcise duty relief• Loans through IREDA Loans through IREDA • Income Tax holiday applicable to wind power Income Tax holiday applicable to wind power
as in the case of power projectsas in the case of power projects• Concessional import duty on specified wind Concessional import duty on specified wind
turbine partsturbine parts
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AchievementAchievement
Energy Saved = Energy ProducedSave Energy, Save the Planet
Because, the third planet from Sun is Because, the third planet from Sun is not just a celestial body, it is HOMEnot just a celestial body, it is HOME
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For any Queries please contact…
Thank You for the precious time & patience.
Green RegardsRavi Simon
[email protected]@gmail.com
99864 7271899864 72718