GUIDED BY :

SHAUNAK DESAI

B.V. Patel Umarakh.

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SOLAR ENERGY

Solar energy is the energy received by the earth from the sun. This energy is in the form of solar radiation, which makes the production of solar electricity possible.

What is solar energy ?

Passive Solar Energy Active Solar Energy Photovoltaic Solar Power Solar Thermal Energy Concentrated Solar Power

Types of solar energy

Passive Solar Energy is a method in which solar energy is harnessed in its direct form without using any mechanical devices. Drying Clothes in daylight is an example of using solar energy passively.

Passive Solar Energy has a few applications which all of us can use (where ever there is sunlight).DaylightingPassive Solar HeatingPassive Solar Cooling

Passive solar energy

The Active Solar Energy employs mechanical or electrical equipment for functioning and increase system efficiency. As an example water pumps are used to circulate water through the active solar energy water heating system.

Some Applications of Active Solar Energy which can be very helpful to all of us.Active Solar Water HeatingActive Solar Pool Heating Active Solar Space Heating

Active solar energy

Solar Thermal Energy is the heat energy derived from the incident solar energy (sunlight). This is used by Solar Heating Panels.

Yes, you guessed it right. Solar Thermal Energy does have advantages like other forms of solar energy. Solar Water HeatingSolar Pool HeatingSolar Space Heating

These are the common uses of Solar Thermal Energy. By taking advantage of these you can get plenty of benefits. Electricity can be generated using solar energy commonly this is known as Solar Thermal Electricity

Solar thermal energy

The Energy generated by incident solar energy (light) into electricity is termed as Photovoltaic Solar Power. This is done using Photovoltaic Solar Cells.

Every one of us can get the benefits of the applications of photovoltaic solar power.Solar ElectricityPhotovoltaic Solar LightingPhotovoltaic Cooling

Photovoltaic energy

Concentrated Solar Power is a branch of Solar Thermal Energy which is used to generate solar power electricity.

Electricity is produced on a large scale by using this technology. This technology is not in either of our scope. But we can surely get its benefits from a renewable energy supplier or green power from the electricity supply company.

Knowing about the different solar energy types can be very helpful. You can use this knowledge in order to decide in what way the solar energy can be used for your advantage. Come what may you will always get the benefit of any types of solar energy and help you contribute to make this world a better place!

Concentrated solar energy

A solar power plant of the size 10–100 kW depending on the load demand, is preferable

Particularly with a liberal subsidy to raise the quality of life of the people subjected to poverty in these areas.

Centralized power generation and distribution, individual DLS (domestic lighting systems) are also common in many rural unelectrified houses.

Application of solar power

Heat Your Swimming Pool With Solar EnergySolar Energy Can Heat Your WaterSolar Energy For Battery ChargingPower Your Home With Solar EnergySolar Energy For CookingSolar Energy for Indoor LightingSolar Energy Used For Outdoor Lighting

Uses of solar energy

Solar Technologies

o Daylightingo Passive Solar

Heatingo Active Solar Heatingo Concentrating Solar

Thermalo Photovoltaics (PV)

Solar World manufacturers solar panels entirely in the USA from raw silicon to completed solar panels.  This process involves four main steps: crystal growing, wafering, solar cell production and solar panel assembly.

Crystal growing  Wafering  Solar cell production  Solar panel assembly 

How solar panels are made ?

Costs for making solar panels

Component Cost per Unit (RS)

Solar Panel 150

Battery 80

LEDs 50

Circuit Components 60

Printed Circuit Board 10

Enclosure 35

Assembly 15

Total Manufacturing Cost per Lantern RS 400

http://urvishdave.files.wordpress.com/2012/09/solar-projects-till-ag1.jpg

Where are solar stations in India ?

Daylighting

Active Solar Heating

Flat Plate Collector

Evacuated Tube Collector

Concentrating Solar Power

Power Tower

How a Power Tower Works

True or True or False?False?

Today’s PV Cells are less Today’s PV Cells are less than 20% efficient at than 20% efficient at

converting radiant energy converting radiant energy to Electrical energyto Electrical energy

It ’s True!It ’s True!

Advantages and Disadvantages

All chemical and radioactive polluting byproducts of the

thermonuclear reactions remain behind on the sun, while only

pure radiant energy reaches the Ear th.

Energy reaching the ear th is incredible. By one calculation,

30 days of sunshine striking the Ear th have the energy equivalent

of the total of al l the planet’s fossil fuels, both used and

unused!

Advantages of Solar Energy

Disadvantages of Solar Energy

• Sun does not shine consistently.• Solar energy is a diffuse source.

To harness it, we must concentrate it into an amount and form that we can use, such as heat and electricity. • Addressed by approaching the

problem through: 1) collection, 2) conversion, 3)

storage .

Thank you