3 edition of Solar Power Satellite Microwave Power Transmission and Reception found in the catalog.
Solar Power Satellite Microwave Power Transmission and Reception
Solar Power Satellite (SPS) Workshop on Microwave Power Transmission and Reception (1980 Lyndon B. Johnson Space Center)
1980 by National Aeronautics and Space Administration, Scientific and Technical Information Office, For sale by the National Technical Information Service] in Washington, D.C, [Springfield, Va .
Written in English
|Series||NASA conference publication ;, 2141|
|Contributions||United States. National Aeronautics and Space Administration., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office., Lyndon B. Johnson Space Center.|
|LC Classifications||TK1056 .S63 1980|
|The Physical Object|
|Pagination||viii, 372 p. :|
|Number of Pages||372|
|LC Control Number||81601103|
Therefore, new countermeasures, such as adaptive modulationhave been adopted. Large-scale transportation and robotics for the construction of large-scale structures in space include the other major fields of technologies requiring further developments. Other researchers, however, claim that the two energy conversions electrical to mechanical to electrical again make the system less efficient than electrical systems like inductive coupling. Additionally, in order to avoid attenuation of the beam, an area around the beam called the first Fresnel zone must be free from obstacles. Production truck used for remote broadcasts by television news has a microwave dish on a retractible telescoping mast to transmit live video back to the studio. The total power decrease with series connection is more than that with parallel connection.
And, best of all, most of its cool features are free and easy to use. However, at frequencies below 10 GHz, high power solid state devices can also be used. Any channel could be designated to carry up to 18 teletype communications instead. The most advanced directional wireless power transfer systems as of spread their half power beam width across at least 0. The SPS will be a central attraction of space and energy technology in coming decades.
It was also shown that Wi-Fi can be used to wirelessly trickle-charge nickel—metal hydride and lithium-ion coin-cell batteries at distances of up to 28 feet. An arrival direction is estimated from the pilot signal after dispreading the SS modulation. Wireless power transmission was proposed early on as a means to transfer energy from collection to the Earth's surface, using either microwave or laser radiation at a variety of frequencies. This whole idea was developed by Nicolas Tesla inwhere he developed a system of illuminating vacuum bulbs using wireless transmission technique. If long distance, high efficiency wireless power transmission is possible, we could reduce our reliance on transmission lines to transfer energy over long distances.
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Earth based solar panels receives only a part of the solar energy. Rectennas would likely be several kilometers across.
A general example is the transformer. Discontinuation[ edit ] The project was not continued with the change in administrations after the US Federal elections. Much of the transcontinental traffic is now carried by cheaper optical fibers and communication satellitesbut microwave relay remains important for shorter distances.
This low voltage high frequency AC power then passes from transformer primary to its secondary and is converted to DC power using rectifier, filter and regulator arrangement.
The entire structure is massive. This does not respond to fake or wrong signals and is more reliable under power transmission. The total power decrease with series connection is more than that with parallel connection. To steer a microwave beam electrically we have to use phase shifters which has high loss.
All for free. Any channel could be designated to carry up to 18 teletype communications instead. Lenkurt 33C FDM. It would live in geosynchronous orbit, some 36, kilometers from Earth.
However, at frequencies below 10 GHz, high power solid state devices can also be used. The magnetic field acts like a mechanical coupling between the armatures.
The solar energy collected by an SPS would be converted into electricity, then into microwaves.
Laser Transmission The laser method of energy transfer involves shining a laser beam onto a photovoltaic receiver. The receivers then convert the transmitted energy back into usable electrical power.
The satellite generates electrical energy using its solar cells. Microwave Power Transmission One of the earliest demonstrations of wireless energy transfer was the use of microwave radiation to power a small helicopter in Solar Power Satellite Microwave Power Transmission and Reception book Inability to constrain power transmission inside tiny beam angles.
Another advantage is that resonant circuits interact with each other so much more strongly than they do with nonresonant objects that power losses due to absorption in stray nearby objects are negligible.
A spacecraft or another satellite could also be powered by the same means.WIRELESS POWER TRANSMISSION FOR SOLAR POWER SATELLITE 3. DC-RF conversion Efficiency. We do not have to steer a micro-wave beam electrically. If we need to steer – A free PowerPoint PPT presentation (displayed as a Flash slide show) on tjarrodbonta.com - id: 3af28c-OGQwZ.
One of the most advanced wireless power transfer system is based on transferring solar power using microwave or LASER beam. The satellite is stationed in the geostationary orbit and consists of photovoltaic cells which convert sunlight into electric current which is used to power a Microwave generator and accordingly generate microwave power.
Concerning the power transmission efficiency of the WPT, there are some good optical approaches in Russia. Future appropriate and major application of the WPT via microwave is a Space Solar Power Satellite (SPS).
The SPS is a gigantic satellite considered as an electric power plant orbiting the Geostationary Earth Orbit (GEO). It consists of mainly.Pdf Power Satellite Microwave Power Transmission and Reception: proceedings of a workshop sponsored by National Aeronautics and Space Administration and held at Lyndon B.
Johnson Space Center, Januarylosses). This concept is also known as Microwave Power Transmission. The advantages, disadvantages, biological impacts and applications of WPT are also presented.
Index Terms—Grid, Microwaves, Microwave generator, Nikola Tesla, Rectenna, Solar Power Satellites (SPS), Transmitting antenna, Wireless Power transmission (WPT).Ebook Power Satellite Microwave Power Transmission and Reception: proceedings of a workshop sponsored by National Aeronautics and Space Administration and held at Lyndon B.
Johnson Space Center, January