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

ravi.neel@gmail.comravi.neel@gmail.com

99864 7271899864 72718