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POWER GENERATION USING MAGLEV WINDMILL

Guided by:Prof. T. J. Bharambe

Submitted by Harshal Vaidya(25) Bobby Khobragade(27) Pooja Chandodkar(32)

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G.S.Mandal’sMARATHWADA INSTITUTE OF TECHNOLOGY, AURANGABAD

DEPT. OF ELECTRICAL AND ELECTRONICS ENGINEERING

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Abstract Factor EEE Introduction Need of project What is maglev Literature review Problem formulation Equipment used Biography

contents

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The aim is to design and implement a magnetically levitated vertical axis wind turbine system that has the ability to operate in both low and high (1.5m/s to 40m/s) wind speed conditions.

This model uses magnetic levitation to reduce the internal friction of the rotor which is considered as a revolution in the field of wind technology.

This technology provides an extreme efficient, versatile and elegant method of producing power from wind with nearly zero pollution.

Abstract

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Energy: It generates energy itselfEnvironmental: Wind turbines are a form of renewable energy that will help the environment by not producing emissions while creating electricity. As an end result less fossil fuel would be required in order to provide electricity for a house. Economic: With a simpler design of these turbines and easier assembly, it will make it possible for local hardware stores to sell these products. Along with simpler design this will also decrease manufacturing cost and make it more economical for families to buy.

Factor EEE

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Introduction Maglev technology serves as an efficient replacement for ball

bearings used on the conventional wind turbine and implemented with permanent magnets.

Unlike the traditional horizontal axis wind turbine, this design

is levitated via maglev (magnetic levitation) vertically on a rotor shaft

Vertical axis wind turbines accept wind from any direction.

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HAWT designs are continuously getting bigger to produce more power.

Increased blade size leads to large bending moments on the blades at high rotational speeds.

In Vertical Axis Wind Turbine (VAWT) main axis is

perpendicular to the ground hence does not need the complicated head mechanisms of conventional horizontal axis turbines..

Need of the Project

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Maglev=Magnetic Levitation

Operates on the repulsion characteristics of permanent magnets.

By placing these two magnets on top of each other with like polarities facing each other, the magnetic repulsion will be strong enough to keep both magnets at a distance away from each other.

The force created can be used for suspension purposes and is strong enough to balance the weight of an object depending on the threshold of the magnets

What is Maglev?

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The first accepted establishment of the use of windmills was in the tenth century in Persia.

Literature Review

FIGURE: Early Persian windmill

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In Europe, wind energy made its appearance in the 11th century A. D. Wind machines were introduced from the Middle East.

By the 14th century, the Dutch used windmill widely for draining the marshes and lakes of the Rhine River delta.

Literature Review

FIGURE: Dutch Windmill

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The wind turbines in USA during the 19th century to until 1930 were mainly used for irrigation.

The first attempt to generate electricity was made at the end of 19th century,

Literature Review

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In 1931 Georges Jean Marie Darrieus, French aeronautical engineer designed one of the most famous and common type of VAWT i.e. Darrieus VAWT.

Finnish engineer Sigurd Johannes Savonius developed the modern drag-driven rotor in the 1920s but Johann Ernst Elias Bessler (born 1680) was the first to attempt to build a horizontal windmill of the Savonius type in the town of Furstenberg in Germany in 1745.

Literature Review

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Literature Review Chinese developers have unveiled the world’s first per-

manent magnetic levitation wind power generator at the Wind Power Asia Exhibition 2006 in Beijing.

The generator was jointly developed by Guangzhou Energy Research Institute under China’s Academy of Sciences

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In the early part of the century, coal was the dominant source of energy.

The most acute problem with the large oil consumption is the environmental concerns associated with oil, i.e. the greenhouse effect.

The wind as a fuel for producing electricity is inexhaustible, free and always available somewhere, and there is enough of it.

Problem Formulation

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Increasing blade size adds extra weight to the blades, leading to higher centrifugal and inertial forces that the blade must be able to resist.

In vertical axis turbines main axis is perpendicular to the ground, they accept wind from any direction .

Maglev technology serves as an efficient replacement for ball bearings used on the conventional wind turbine and is usually implemented with permanent magnets

Problem Formulation (Contd.)

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Block Diagram

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System Diagram

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Two Plywood sheet cut into circle of 40cm diameter. Two ring type Neodymium Iron Boron (NdFeB) magnets having

outer diameter 40 mm, inner diameter 20 mm and thickness 10 mm at the center of the shaft.

Disc type magnets of 25 mm diameter alternate poles one after the other, along the periphery of the rotor made of plywood sheet of 40cm diameter.

Metal sheet for blade of turbine. Copper coils A rod to mount the stator and rotor periphery.

Equipment required to construct hardware

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References 1. Minu John, Rohit John, Syamily P.S, Vyshak P.A, “ Maglev Windmill”,

International Journal of Research in Engineering and Technology, Volume: 03 ,

Issue: 05, May-2014

2. Dinesh N Nagarkar and Dr. Z. J. Khan, “Wind Power Plant Using Magnetic

Levitation Wind Turbine”, International Journal of Engineering and Innovative

Technology (IJEIT) Volume 3, Issue1, July 2013

3. Vishal D Dhareppgoal and Maheshwari M Konagutti, “REGENEDYNE Maglev

Wind Power Generation”, SARC-IRAJ International Conference, 16th June 2013,

Pune, India.

4. Tapan H. Barot, Hitesh Jariwala, Mayur Kevadiya, “A Review on Straight Bladed

Vertical Axis H-Type Darrieus Wind Turbine”, International Journal of Innovative

Research in Science Engineering and Technology Vol. 4, Special Issue 6, May 2015

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5. Girish M Prajapati, Abrarkhan Pathan, Mr. B. J Patel, “A Review: Aerodynamic

Analysis On Vertical Axis Wind Turbine Blade”, International Journal of

Advance Engineering and Research Development Volume 1,Issue 12, December

-2014.

6. Piyush Gulve, Dr. S.B.Barve, “Design And Construction Of Vertical Axis Wind

Turbine”, International Journal of Mechanical Engineering and Technology

(IJMET), Volume 5, Issue 10, October (2014), pp. 148-155.

7. Yamini Sarathi, Khemraj Patel, Arti Tirkey, Prakash Kumar Sen and Ritesh

Sharma, “Study On Wind Turbine And Its Aerodynamic Performance”,

International Journal of Mechanical Engineering and Robotic Research Vol. 4,

No. 1, January 2015.

References

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