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8/2/2019 Energy Generation by Vertical Axis Wind Turbine
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ENERGY GENERATION BY VERTICAL
AXIS WIND TURBINE AND THEREAPPLICATION ON STREET LIGHTNING
Under Guidance Of :- Submitted By :-Mr. RAJ KUMAR YADAV VIKAS PATEL(0802821047)VIVEK PATEL(0802821050)
Ideal Institute of TechnologyDepartment of Electrical & Electronics Engg.
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CONTENTS Introduction
Wind energy Type of wind turbine
Vertical axis wind turbine(VAWT)
Horizontal axis wind turbine(HAWT) Working of VAWT
Advantage of VAWT
Application
Street lightning
Advantage
Conclusion
Reference
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Introduction Non conventional energy generation using wind.
Wind energy generated by two different turbine. Vertical axis wind turbine(VAWT)
Horizontal axis wind turbine(HAWT) In our project we use the Vertical axis wind
turbine(VAWT).
Energy generated by VAWT using in street lightingfor energy saving purpose and it is controlled bymicrocontroller.
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Block DiagramAir Blade rotate Gear box Generator
Electrical
energy
stored in
battery
89c51
microcontroller
I R sensorLDR sensorLED Glow
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Wind Energy Wind energy is the kinetic energy of air in motion.E=1/2mv2 Wind power is the conversion of wind energy into a
useful form of energy, such as using wind turbine tomake electricity.
We can not convert all of the power in the wind toMechanical (then electrical) power
Losses caused by Some of the wind goes around (not through) the hoop You cant slow the outgoing wind to zero velocity
Frictional losses from high velocity wind
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Type of Wind TurbineMany types of turbines exist today and their designsare usually inclined towards one of the two
categories.
1. Horizontal-axis wind turbines (HAWTs)
2. vertical-axis wind turbines(VAWTs)
As the name pertains, each turbine is distinguished bythe orientation of their rotor shafts.
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Vertical -axis wind turbines(VAWTs) Horizontal-axis wind turbines(HAWTs) Vertical axis wind turbines
VAWTs are typically
developed only for the
urban deployment
Changes in wind direction
have no negative effects on
this type of turbine because
it does not need to be
positioned into the wind
direction.
The propeller-type rotor is
mounted on a horizontal
axis.
HAWTs are sensitive to the
changes in wind direction
and turbulence which havea negative effect on
performance due to the
required repositioning of
the turbine into the windflow
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Working of VAWT VAWT are a type of wind turbine
where the main rotor shaft is set
vertically and the main components
are located at the base of the turbine.
VAWT can catch the wind from all
direction and at lower wind speed
than horizontal axis ones.
If direction of blades is change than
dynamo also generate electricity
because dynamo does not depends
on direction of rotation.
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Advantage of VAWT Can accept changes of wind direction with no
problem.
Generator can be on the ground for more easy
access, rather than up in the air. Generally begin rotating at lower speeds
Lower susceptibility to cross-wind
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Application
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Street LightingWhen vehicle runs in theroad then wind will comethen blade will rotate andelectric energy generate and
stored in battery If vehicle rotate right toleft or left to right thenthere are no effect on VAWT
During night this energyused as street lighting.
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Microcontroller Street light can controlled by microcontroller
Using light dependent resister(LDR) to detect the
intensity of light
LDR sends the signal to the microcontroller and
microcontroller adjust intensity of light.
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Thankyou