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Flying Windmills or Flying Electric Generator (FEG) technology
ABSTRACT
High Altitude Wind Power uses flying electric generator (FEG) technology in the form of what have been more popularly called flying windmills, is a proposed renewable energy project over rural or low - populated areas, to produce around 12,000 MW of electricity with only 600 well clustered rotorcraft kites that use only simple auto gyro physics to generate far more kinetic energy than a nuclear plant .
According to Sky Wind Power; the overuse of fossil fuels and the overabundance of radioactive waste from nuclear energy plants is taking our planet once again down a path of destruction, for something that is more expensive and far more dangerous in the long run. FEG technology is just cheaper, cleaner and can provide more energy than those environmentally unhealthy methods of the past, making it a desirable substitute/alternative.
The secret to functioning High Altitude Wind Power is efficient tether technology that reaches 15,000 feet in the air, far higher than birds will fly, but creating restricted airspace for planes and other aircraft.
The same materials used in the tethers that hold these balloons in place can also hold flying windmills in place; and with energy cable technology getting ever lighter and stronger .Flying windmills appear to be 90 percent more energy efficient in wind tunnel tests than their land-based counterparts; that is three times more efficiency due to simple yet constantly abundant and effective high altitude wind power, available only 15,000 feet in the air by way of clustered rotor craft kites tethered with existing anti-terrorist technologies like those used on the Mexican/American border radar balloons.
High Altitude wind power offers itself as a clean and more powerful source of power generation than anything available on-the grid at present and if sky wind power corp. has their way, FEG technology and flying windmills will take the lead of a more sustainable future within the decade.
Flying electric generators (FEGs) are proposed to harness kinetic energy in the
powerful, persistent high altitude winds. Average power density can be as high as 20 kW/m2 in a approximately 1000 km wide band around latitude 30in both
Earth hemispheres. At 15,000 feet (4600 m) and above, tethered rotorcraft, with four or more rotors mounted on each unit, could give individual rated outputs of up to 40 MW. These aircraft would be highly controllable and could be flown in arrays, making them a large-scale source of reliable wind power. The aerodynamics, electrics, and control of these craft are described in detail, along with a description of the tether mechanics. A 240 kW craft has been designed to demonstrate the concept at altitude. It is anticipated that large-scale units would make low cost electricity available for grid supply, for hydrogen production, or for hydro-storage from large-scale generating facilities.
please send me ppt of flying electric generator
sorry for ready made ppt of flying electric generator is not available now ..
please make a new one , i may can help you to collect resources ,,,
use this some page link to make
http://studentbank.in/report-harnessing-...ull-report
http://inhabitat2007/07/17/flying-wind-turbines/
http://googleimages?q=flying%20electric%20generator&hl=en&prmd=iv&um=1&ie=UTF-8&source=og&sa=N&tab=wi&biw=1366&bih=667
Presented BY:
J.S.VISWANATH
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FLYING WIND MILLS AND FLYING WIND GENERATOR
INTRODUCTION
• Mission: To convert the power in high altitude winds into clean energy for a better world.
• The energy in the high altitude winds is far more than enough to meet the world's energy needs, and means of capturing this energy are available through a little further development of technologies that do not require any fundamental scientific breakthroughs.
WIND ENERGY BASICS
• Wind Energy and Wind Power
Wind is a form of solar energy. Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth's surface, and rotation of the earth. Wind flow patterns are modified by the earth's terrain, bodies of water, and vegetative cover. This wind flow, or motion energy, when "harvested" by modernwind turbines, can be used to generate electricity.
• How Wind Power Is Generated
The terms "wind energy" or "wind power" describe the process by which the wind is used to generate mechanical power or electricity. Wind turbines convert the kinetic energy in the wind into mechanical power. This mechanical power can be used for specific tasks (such as grinding grain or pumping water) or a generator can convert this mechanical power into electricity to power homes, businesses, schools, and the like.
WIND TURBINES
• Wind turbines, like aircraft propeller blades, turn in the moving air and power an electric generator that supplies an electric current. Simply stated, a wind turbine is the opposite of a fan. Instead of using electricity to make wind, like a fan, wind turbines use wind to make electricity. The wind turns the blades, which spin a shaft, which connects to a generator and makes electricity.
Wind Turbine Types
Modern wind turbines fall into two basic groups; the horizontal-axis variety, like the traditional farm windmills used for pumping water, and the vertical-axis design, like the eggbeater-style Darrieus model, named after its French inventor. Most large modern wind turbines are horizontal-axis turbines.
TURBINE COMPONENTS
Horizontal turbine components include:
a. blade or rotor, which converts the energy in the wind to rotational shaft energy;
b. a drive train, usually including a gearbox and a generator;
c. a tower that supports the rotor and drive train; and
d. other equipment, including controls, electrical cables, ground support equipment, and
interconnection equipment.
• Tether is the connecting media between the turbines up in the air to the grid on the surface
• Electrodynamics tethers are long conducting wires, which can operate on electromagnetic principles as generators, by converting their kinetic energy to electrical energy, or as motors, converting electrical energy to kinetic energy. Electric potential is generated across a conductive tether by its motion through the Earth's magnetic field
• The choice of the metal conductor to be used in an electrodynamics tether is determined by a variety of factors.
1. Primary factors usually include high electrical conductivity, and low density.
2. Secondary factors, depending on the application, include cost, strength, and melting point.
• An electrodynamic tether is attached to an object, the tether being oriented at an angle to the local vertical between the object and a planet with a magnetic field. When the tether cuts the planet's magnetic field, it generates a current, and thereby converts some of the orbiting body's kinetic energy to electrical energy. As a result of this process, an electrodynamic force acts on the tether and attached object, slowing their orbital motion.
• Functionally, electrons flow from the space plasma into the conductive tether, are passed through a resistive load in a control unit and are emitted into the space plasma by an electron emitter as free electrons. In principle, compact high-current tether power generators are possible and, with basic hardware, 10 to 25 kilowatts appears to be attainable.
• The flying generator’s for a typical flight configuration in a wind of velocity V. A single tether of length Lc is attached to the craft at a point A on the craft’s plane of symmetry. The aircraft’s center of mass is at C. The tether is assumed, herein for simplicity, to be mass-less and non-extendible.
• For low altitude flight, around 1500 ft (< 500 m), the assumption of a straight, mass-less tether is reasonable. However, for higher altitudes, the analysis has been extended to included tether mass and tether air-loads. Higher altitudes are achievable using an aluminium-Kevlar composite or an aluminium-Spectra composite for the
electro-mechanical tethering cable.
• If the generators capacity is above a minimum level , a System Impact Study is required to connect a new generator to the grid.
• FEG ,in single units of 20MW or more , can achieve about 80% availability with suitable siting at land or sea locations.
• FEG transmits power over lengths of between 4 and 8 km.
• Flying generator / tether voltages between 11kV and 25kV ac could be used on units of 30MW at the most extreme altitudes.
• Arrays of flying generators could move north or south to follow seasonal shifts in wind patterns or power demand.
• Tether arrangement contains three conductors-two could form the single-phase circuit , third could be the ground wire and control cabling function.
• Generator and tether performance depends on a good lightning storm detection system.
• The wind speed data from across the globe is recorded at heights from 263 feet to almost 40,000 feet over the last 30 years, and calculated which regions would generate the most power. According to the study, Tokyo, Seoul, Sydney and New York City all sit on a goldmine of stratospheric wind power.
• IN INDIA , During the summer months, Delhi and Mumbai could also benefit from sky high turbines. But unfortunately for India, the gusts die down in the fall and spring, reducing the energy density in the atmosphere.
• Lower electricity production cost.
• Bird and bat friendly.
• Low noise emissions.
• Operation over a wide range of wind speeds.
• Operation at high altitudes from 400 to 1,000 feet above ground, possible without towers.
• Mobility.
• Restricted airspace for airplanes to fly.
• Not suitable for highly populated areas, unless there are adequate safety measures provided.
• Seasonal variations in jet streams speed across the globe can create dull periods for electricity production by FEG.
It has been shown that flying electric generators can harness the powerful and persistent winds aloft to supply electricity for grid connection, for hydrogen production or for hydro-storage. Globally, upper atmospheric winds provide an enormous resource for this application. The environmental impacts at altitude are minimal with virtually no visual, or noise intrusion and no bird strikes. The proposed systems lead logically to rural/remote area installations in regions of restricted airspace. Full-scale facilities, using individual FEG units of rated power around 30 MW, could easily form wind-farms equivalent in output to regular coal, gas and nuclear facilities. These wind-farms would give capacity (generating) factors around three times greater than that from conventional wind-farms. The estimated bulk electricity cost for the power so produced is estimated to be of the order of $20/MWh. High altitude wind power is not science fiction. It depends on currently available technologies and engineering knowhow, building on decades of experience with wind turbine and gyroplane technologies. Harnessing high altitude wind energy, using a combination of essentially existing technologies, appears to be thoroughly practical and suggests that this energy source can play an important part in addressing the world's energy and global warming problems.
i am a final year EEE student. Can you please sent me the circuit diagram of flying electric generator????
please sent me the operating principle of flying electric generator in detail..
Can u pls send PPT of feg technology
tejaravi7268[at]gmail.com
Flying windmills have advantages over their terrestrial counterparts which is due to factors such as contours of the earth and patterns of heating and cooling daily, often facing inadequate wind or turbulent winds, requiring expensive designs. There are no such impediments in the jet stream, where the air moves almost constantly and several times the speed it makes 100 feet off the ground, allowing much more energy to be captured from every square meter of wind.
Many means have been proposed to capture the energy available in high altitude winds, but only those who have not carefully considered the state of current technology doubt that the capture of this energy should be achievable now. After much study on the various methods for capturing high altitude winds, we settled on a "Flying Electron Generator" (FEG), or a "helicopter", to address the world's major energy and global warming problems. This was first proposed by Bryan Roberts. In the mid-2000s, he obtained a patent for a "Windmill Kite," a variation of what we call a flying electric generator. We believe that FEG technology will lead the way to capture energy at these truly high heights where very high altitude wind energy exists.
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