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Hybrid Solar-Wind Power System


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Hybrid Solar-Wind Power System

  1. 1. A PAPER ON
  3. 3. INTRODUCTION • Today, the world is progressing at quite a fast rate with the use of the conventional sources of energy. The two major disadvantages of using them are the environmental pollution created by its use and its limited quantity. On the other hand the Non-conventional sources of energy are available in plenty, free of cost and pollution free. So it’s the time to think for switching on to the Non-conventional sources and restrict the use of conventional sources of energy • Many types of clean and renewable energy sources can be used in the production of electrical energy.
  4. 4. • These include solar energy, wind energy, wave energy, hydroelectricity, biomass energy, energy from wastes, tidal power, and geothermal energy. • All of these energy sources have environmental benefits over the use of fossil fuels. • Our paper deals with the Energy conservation Technique which is a combination of two Nonconventional sources of energy, i.e. Solar and Wind Energy.
  5. 5. SOLAR ENERGY • Four-fifths of the sun’s energy falls on the oceans and drives the water cycle. Evaporation from the sea causes rain to fall on the land, resulting in the global hydropower resource. The remaining fifth of the sun’s energy falls on the land and is still about 2,000 times greater than total world energy demand. • The three main technologies that have been developed to capture this energy are Passive Solar, Solar Thermal, and Photovoltaic modules.
  6. 6. SOLAR ENERGY (DISADVANTAGES) Apart from its advantages few Disadvantages are as follows:• Solar power is not always completely predictable because it depends on the amount of sunlight that reaches the Earth at any given time. This precludes solar power generation during the night when sunlight does not reach the part of the Earth in which the cell is located and limits solar power generation when cloud cover scatters portions of the electromagnetic spectrum. • Some forms of solar power are not currently cost competitive. A Photovoltaic power station is expensive to build, about 10% efficient, and the energy payback time is large of the order of five years.
  7. 7. WIND ENERGY • The uneven heating of the earth’s surface by the sun causes wind. This heat is absorbed by the ground or water and is then transferred into the air, causing differences in air temperature, density and pressure. These differences then create forces that push the air around. Like the water that flows in the river. • The wind contains energy that can be converted into electricity using wind turbines. Currently, more than 20,000 wind turbines are used for generating electricity around the world. • Wind power projects can also be very stimulating for local economics.
  8. 8. WIND ENERGY (DISADVANTAGES) As Solar Energy Wind Energy too has some Disadvantages. • Wind power is irregular in many locations, because consistent wind is needed to ensure continuous power generation • Commercial generation requires a wind farm over large areas having an effect on scenery • The effect of large scale wind farms on the climate is unknown. Thus to overcome from the disadvantages of these energy techniques we should combine these two techniques and By this we can achieve more efficient and environment friendly energy source throughout year.
  9. 9. HYBRID SYSTEM (HSWPS) • Hybrid Systems - Utility Connected with Battery Backup. A combination of the above systems, these applications have the advantages of both. They are connected to the utility grid in case the weather is insufficient for the solar or wind system, but they also have batteries to store electricity in case the utility grid goes down as well. The design and installation of these systems is more complicated and expensive, but they are the most effective in providing constant, reliable electricity. • The System Include PV Array Wind Turbine Aero-Wind Generator Solar Controller Wind Controller Battery Bank Inverter Loads Schematic Diagram
  10. 10. HYBRID SYSTEM (HSWPS) PV Array:A number of PV panels connected in series and/or in parallel giving a DC output out of the incident irradiance. Orientation and tilt of these panels are important design parameters, as well as shading from surrounding obstructions. Wind Turbine:Which is installed on top of a tall tower, collects kinetic energy from the wind and converts it to electricity that is compatible with a home’s electrical system.
  11. 11. HYBRID SYSTEM (HSWPS) Aero-Wind Generator:This is one of the main components in this system and converts kinetic energy of wind into electrical energy in the wind into mechanical energy. An electric generator is coupled to the propeller shaft directly, this propeller in turn rotates rotor of the electric generator and in turn generates DC electricity. The output from the wind generator varies as per the wind speed. Wind electricity for decentralized system or hybrid generation of electricity using other energy sources as wind regimes for localized small grid systems or battery charging..
  12. 12. HYBRID SYSTEM (HSWPS) Solar Controller And Wind Controller:Controls battery bank charge discharge reasonable and safety. and Battery bank: There can be a single battery or multiple batteries connected together to create essentially one large battery of the required voltage and amp-hour capacity. In some ways the battery configuration and capacity are the most important electrical power decision to make, and a wise choice can help guarantee a steady supply of electrical power as well as a system that is simple to operate and maintain.
  13. 13. HYBRID SYSTEM (HSWPS) Inverter:A power converter that ¡°inverts¡± the DC power from the panels into AC power. . Loads:Stands for the network connected appliances in the building that are fed from the inverter (AC loads), or from the battery bank(DC loads).
  14. 14. HYBRID SYSTEM (HSWPS) INSTALLED CAPACITY OF POWER GENERATION THROUGH NON CONVENTIONAL ENERGY IN INDIA Sr. No. Sources Of Energy Capacity 1 Wind Energy 2 Solar 3 Municipal Solid Waste. : 113.60 MW 4 Biomass Power / Bagasse Co-generation : 3488.23 MW 5 Small Hydro : 3496.14 MW Total : 18420.40MW 1176.25 MW 26697.62 MW
  15. 15. HYBRID SYSTEM (HSWPS) MINIMUM TARGET FOR 12TH FIVE YEAR PLAN (2012-2017) IS PROPOSED FOR INDIA AS FOLLOWS : Sr. No. Target (in GW) Program 1 Wind Power : 15 2 Solar Power : 10 3 Biomass Power : 3 6 Small Hydro Power : 2 Total 30
  16. 16. CASE STUDY (HSWPS) AS ESTIMATED AT CHUNNAMBAR, PONDICHERRY : Energy Model Output in kWh per Actual Output in kWh Generation annum per annum Percentage Variation System Wind Generation 3569 3347 6.22 3094 2872 7.18 6663 6219 6.66 System(3.3kW) Solar Generation System(1.8 kW) TOTAL
  17. 17. CASE STUDY (HSWPS)
  18. 18. FEATURES (HSWPS) Designed for easy to operate ,servicing and maintenance where required Most Eco-friendly & clean source of power. No pollution and no recurring fuel costs, Highly reliable and consistent power supply. Long life span for SPV modules & Modular design Very few moving parts-negligible maintenance required Increases public safety and aids in providing a safe working environment in areas where mains power is risky
  19. 19. APPLICATIONS (HSWPS) Ideal for cell phone recipient stations. Farm houses, Guesthouses, Hospitals, Hotels, Laboratories and R&D centres Remote and Rural village electrification. Residential colonies and Apartments general Lighting. Street Lighting. Transmissions and communication Tower and many more applications.
  20. 20. CONCLUSION  Because the seasonal profiles of the wind and solar resources are somewhat complementary in some reason, combination of wind and solar perform better than either wind or solar alone  Under the circumstance of power failure this hybrid system keeps the continuity of supply without producing any noise pollution, dislike any other power generating equipment i.e. D.G. Set with noisy operation.  High Efficiency than Individual systems.  Since the longer pay back time of investing renewable energy system, little firms are interested in investing the renewable system.
  21. 21. BIBLIOGRAPHY • • • • • • • • • Dr. Hiregowdara Yerrannagouda, assistance professor, Mech. Engg. Dept., Vijayanagar Engineering College of Bellary. DR. Recayi Pecen, member of Tau Beta Pi National Engineering Honor Society, IEEE and NAIT. Dr. MD Salim, faculty of University of Northern Lowa. Dr. Marc Timmerman, faculty of University of Tulsa and of University of Northern Lowa. (MAHARASHTRA ENERGY DEVELOPMENT AGENCY). Software.from MIT.