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Renewable Energy - Intro ppt

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Contains information about Wind and Solar Energy Projects.

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Renewable Energy - Intro ppt

  1. 1. An Introduction ppt - Saurabh Mehta Renewable Energy Technologies in Power Generation
  2. 2. Introduction Wind Energy Solar Energy Contents
  3. 3. Introduction Wind Energy Solar Energy Contents
  4. 4. Introduction <ul><li>Renewable Energy – “any sustainable energy source that comes from natural environment.” </li></ul><ul><li>Some Aspects of Renewable Energy </li></ul><ul><ul><li>It exists perpetually and in abundant in the environment </li></ul></ul><ul><ul><li>Ready to be harnessed, inexhaustible </li></ul></ul><ul><ul><li>It is a clean alternative to fossil fuels </li></ul></ul><ul><ul><li>“ energy that is derived from natural process that are replenished constantly ” -- defined by the RENEWABLE ENERGY WORKING PARTY of the INTERNATIONAL ENERGY AGENCY </li></ul></ul>
  5. 5. Introduction <ul><li>Contribution of Renewable Energy in World Electricity Production </li></ul>
  6. 6. Introduction <ul><li>Major Renewable Energy Sources </li></ul><ul><ul><li>Hydro Energy </li></ul></ul><ul><ul><li>Wind Energy </li></ul></ul><ul><ul><li>Solar Energy </li></ul></ul><ul><ul><li>Biomass Energy </li></ul></ul><ul><ul><li>Tidal Energy </li></ul></ul><ul><ul><li>Geothermal Energy </li></ul></ul><ul><ul><li>Wave Energy </li></ul></ul><ul><ul><li>Bio-fuel </li></ul></ul><ul><ul><li>Bagasse </li></ul></ul>
  7. 7. <ul><li>Present Installed Capacity of Renewable Energy Sources in India </li></ul>Source: Ministry of New & Renewable Energy Sources (MNRE) Total RE Installed Capacity – 13672 MW 2 MW Solar 620 MW Biomass 750 MW Bagasse 2100 MW Small Hydro 10200 MW Wind Present Installed Capacity Renewable Energy Source
  8. 8. Introduction Solar Panels Wind Turbine Generators
  9. 9. Introduction Wind Energy Solar Energy Contents
  10. 10. Wind Energy - Technology <ul><li>Differential heating of the earth’s surface and atmosphere induces vertical and horizontal air currents that are affected by the earth’s rotation and contours of the land and generates WIND . </li></ul><ul><li>A wind turbine obtains its power input by converting the force of the wind into a torque (turning force) acting on the rotor blades. </li></ul><ul><li>The amount of energy which the wind transfers to the rotor depends on the density of the air, the rotor area, and the wind speed. </li></ul><ul><li>PLF of Wind Farm is normally in the range of 20 % to 30% depending upon the site conditions and WTG rating. </li></ul>P  Power ρ  Air Density (kg/m 3 ) A  Blade Area -turbine (m 2 ) V  Wind velocity (m/s) P = 0.5 X ρ X A X V3
  11. 11. <ul><li>Major Components of Wind Turbine </li></ul>Wind Energy - Technology
  12. 12. Wind Energy – Present Scenario <ul><li>Wind Power – Fastest growing renewable energy source </li></ul><ul><li>Globally, it grew at the average rate of 27 % pa over the past 10 years. </li></ul><ul><li>While in India it grew at the average rate of 33% over the past 9 years. </li></ul><ul><li>Presently, India is ranked 4 th in the world in terms of Wind Energy Installed Capacity </li></ul><ul><li>Drivers of growth </li></ul><ul><ul><li>Environmental Awareness and Sustainable Development </li></ul></ul><ul><ul><li>Growing Global Energy Demand </li></ul></ul><ul><ul><li>Improving Competitiveness of renewable energy </li></ul></ul><ul><ul><li>Security of Supply Concerns </li></ul></ul><ul><ul><li>New Markets (e.g. India, China etc) </li></ul></ul><ul><ul><li>Carbon Trading </li></ul></ul><ul><ul><li>Fiscal Benefits by Govt. (PTC, feed in tariffs, etc) </li></ul></ul>
  13. 13. Introduction Wind Energy Solar Energy Contents
  14. 14. Solar Energy - Technology <ul><li>Solar power is by far the Earth's most available energy source, easily capable of providing many times the total current energy demand. </li></ul><ul><li>Solar power is the conversion of sunlight into electricity. </li></ul><ul><li>Two main commercial ways of conversion of sunlight into electricity. </li></ul><ul><ul><li>Concentrating Solar Thermal Plant (CSP) </li></ul></ul><ul><ul><li>Photovoltaic Plants (PV) </li></ul></ul><ul><li>CSP and PV both have their markets. PV is very successful in decentralized applications, whereas CSP offers advantages for central and large-scale applications. CSP power plants are the most cost-efficient way to generate and to store dispatch able CO 2 -free electricity. However, there is no competition between both. Rather, they have to be seen as complementary technologies. </li></ul><ul><li>PLF of CSP – In the range of 20 % to 30 % </li></ul><ul><li>PLF of PV – In the range of 15 % to 20 % </li></ul>
  15. 15. Solar Energy - Technology <ul><li>Concentrating Solar Thermal Plant (CSP) </li></ul><ul><li>It contains; </li></ul><ul><ul><li>Collector Field </li></ul></ul><ul><ul><li>Turbine </li></ul></ul><ul><ul><li>Generator </li></ul></ul><ul><ul><li>Cooling Tower </li></ul></ul><ul><ul><li>Transformer </li></ul></ul>Courtesy: ESP Solar
  16. 16. <ul><li>Solar Photovoltaic Plants (PV) </li></ul><ul><li>It contains; </li></ul><ul><ul><li>Solar Arrays </li></ul></ul><ul><ul><li>Inverter </li></ul></ul><ul><ul><li>Transformer </li></ul></ul>Solar Energy - Technology
  17. 17. Solar Energy - Technology <ul><li>In both CSP and PV technologies, solar resources plays major role. </li></ul><ul><li>Maps are available to calculate solar resource of a particular region. However, for both CSP and PV technologies different solar radiations are taken into account. </li></ul><ul><li>Basically two types of solar radiations are there; </li></ul><ul><ul><li>Global Horizontal irradiations (GHI) </li></ul></ul><ul><ul><li>Direct Normal Irradiation (DNI) </li></ul></ul><ul><li>For PV technologies GHI is considered. GHI </li></ul><ul><li>consists of diffuse radiations and direct </li></ul><ul><li>horizontal radiations (beam). </li></ul><ul><li>Minimum GHI – 1000 kwh/m 2 pa </li></ul><ul><li>For CSP, DNI is considered. DNI </li></ul><ul><li>is the amount of radiation received by </li></ul><ul><li>a surface which is permanently aligned </li></ul><ul><li>perpendicular to the incoming beam. </li></ul><ul><li>Minimum DNI – 1900 kwh/m 2 pa </li></ul>
  18. 18. Solar Energy - Technology A typical DNI irradiation Map for India which is used to find a feasible site for CSP Plant. A typical GHI irradiation Map for India which is used to find a feasible site for PV Plant.
  19. 19. Solar Energy – Current Scenario <ul><li>The total installed capacity of solar power (Both CSP and PV) as of 2008 is 2826 MW. </li></ul><ul><li>In India the total installed capacity of solar power is around 2 MW. </li></ul><ul><li>In India, various government and private players have entered into CSP and PV markets. </li></ul><ul><li>MNRE has set a target to establish at least 50 MW of solar projects during the 11 th plan. </li></ul>
  20. 20. Welcome to the World of Renewable Enegy....

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