Solar energy presentation what factors does neeed to it
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Transcript of Solar energy presentation what factors does neeed to it
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Solar Energy
B.Murali Krishna08841A0467
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Rural Electrification Empowering rural
INDIA B.Murali Krishna 08841A0467
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o At the rate of 48 per day
o More than 1650 per year
o At least 10,500 from 1996-2007
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Farmers who committed suicide
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Reasons • Climatic conditions
• Politics
• Lack of energy
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energy
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Law of conservation of energy :
“Energy can neither be created nor destroyed but it can be converted from one form to another form”
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Energy
Electrical Energy
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HISTORY OF ELECTRICITY
• Many people think Benjamin Franklin discovered Electricity with his famous kite-flying experiments in1752
• But electricity was not discovered all at once
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THE BATTERY
• In 1800, Alessandro Volta , an Italian scientist, made a great discovery.
• He soaked paper in salt water, placed zinc and copper on opposite sides of the paper, and watched the chemical reaction produce an electric current.
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• Volta had created the first electric cell.• By connecting many of these cells together,
Volta was able to “string a current” and create a battery.
• It is in honor of Volta that we measure battery power in volts.
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A CURRENT BEGAN
• An English scientist, Michael Faraday, was the first one to realize that an electric current could be produced by passing a magnet through a copper wire.
• Almost all the Electricity we use today is made with magnets and coils of copper wire in giant power plants.
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Types of energy sources
o Renewable
o Non renewable
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Types of non renewable energy resources
o Coal
o Petrol
o diesel
o Natural gas
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Disfavors!!!
o extinction of resources
o Increasing demand
o pollution
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RENEWABLE
TYPES OF RENEWABLE ENERGY SOURCES
o Solar energy
o Wind energy
o Tidal energy
o Geo thermal energy
o Bio mass
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here comes the SUN
Solar energy is the radiant light and heat from the sun
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The total solar energy available to earth is approximately 3850 ZETA joules per year
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Facts about solar energy.
• Earth surface receives 1.2x1017 W of power from sun.
• Energy supplied by the sun in one hour is almost equal to the amount energy required by the human population in one year.
• Most if the other source on renewable energy have their in sun.
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Why Solar Energy.
• Solar energy is the most readily available source of energy.
• It is free. • It is also the most important of the non-
conventional sources of energy because it is non-polluting.
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Solar Cell(Photovoltaics)
Solar Cell (PV)
Light Electricity
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Polysilicon Wafer Solar Cell Solar Module
Chemical Process(purification)
CastingCutting
Surface Treatment Assembly
Systems
InstallationOperation
The PV Value Chain (multi-crystalline)
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Developments in solar cells
First generation – pure silicon,33%efficiency, more expensive
Second generation -- thin film solar cells low cost low efficiency, CdTe , selenium , amorphous silicon
Third generation– low cost high efficiency multi junction, tandem cells nano structured
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SUN
ENERGY
MEN
ALTERNATIVES
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Solar energy is the energy gained by capturing light and heat emitted by the Sun.
SOLAR ENERGY
Solar panel
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Solar Energy
It is a so-called renewable energies, particularly clean group, known as clean energy or green energy.
It is called renewable energy to the energy obtained from natural sources inexhaustible.
The sunflower is the icon of renewable energy by harnessing its great sunlight and its "similar" to the Sun
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TYPES OF SOLAR ENERGY
•Passive Solar Energy: Harness the sun's heat without mechanisms or mechanical systems.
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TYPES OF SOLAR ENERGY
•Solar Thermal Energy: To produce low-temperature hot water for sanitary and heating.
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TYPES OF SOLAR ENERGY
•Solar Thermoelectric Energy: To produce electricity with a conventional thermodynamic cycle from a high temperature heated fluid (thermal oil).
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TYPES OF SOLAR ENERGY
•Solar Hybrid Energy: combines solar energy with other energy. According to the energy with which is a hybrid combining:-Renewable: Biomass, wind power.-Fossil.
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TYPES OF SOLAR ENERGY
•Solar Wind Energy: Works with the air heated by the sun, which rises through a chimney where are the generators.
Wind generator / solar laptop
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TYPES OF SOLAR ENERGY
•Photovoltaic Solar Energy: It's a way of obtaining electricity through photovoltaic panels.
Photovoltaic solar panel
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Current growth in theSolar photovoltaicis limited in2006 for lack of subjectpremium (so-grade siliconlar) in the market.
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The burning of rice husk is obtained 18% of ash containing 92 percent silicon.
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Photovoltaic cells convert the sun's radiation directly into electricity, using the conductive properties of silicon.
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A photovoltaic module generates electricity that can be used directly or stored in batteries for later use.
PHOTOVOLTAIC MODULES
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Spain is currently one of the world producers of photovoltaics with an installed capacity of 3,200 MW estimated, behind Germany, which has 3,800 MW.
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OUTLINE OF THE FABRICATION OF A SOLAR PANEL
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The first photovoltaic solar panel arrived in Spain was in the year 1978 and is manufactured in the U.S., after three decades and is in perfect condition.
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HY-BIRD: First airplane that will go around the world using only renewable energies, hydrogen-powered and photovoltaic solar energy. Solar cells are located in the wings.
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Satellites with photovoltaic panels to send energy from space to Earth. NASA and Japan already studying install 1 km2 of solar panels in orbit in a year that will produce more energy than all the known oil reserves.
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At the end of the lifetime of solar panels, can be a difficult pollutant recyclable waste today.
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We must seizeenergy from the sun by capturing light and heat issues.
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MNES
Garden Lights
Traffic Signal
Blinker
Street Light
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10 kW roof integrated photovoltaic's at CSE canteen, Delhi
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Indian Oil Corporation Building, Delhi(14 kW BiPV and 4000 lpd SWHS)
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Solar Home Systems
Space
Water Pumping
Telecom
Main Application Areas – Off-grid
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Challenges……..
o High capital
o Land scarcity
o Slow progress
o Climatic conditions
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Applications …o domestic lighting o street lighting o village electrification o water pumping o Solar satelliteso powering of remote telecommunication
repeater stations and o railway signals.o Solar vehicles
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Latest advancements….
o Nano powered (DSSC)
o Solar concentrators
o Paint solar cells
o Spherical solar cells
o Reflective dishes
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THANK YOU