The transmitting apertures of the satellites are large enough 8 m, or less, diameter to provide beam spot sizes 1 m, or less, in diameter at the farthest transmission distance lunar horizon. The first step is the demonstration of the wireless power transmission wpt and evaluation of. Solar power satellites in lowearth or geosynchronous orbit or on the. This array converts solar energy into radio energy. Wireless power transmission via solar power satellite.
Wpt is based on the energy transfer capacity of microwave beam i. Wireless power transfer wpt, wireless power transmission, wireless energy transmission wet, or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link. Solar power station, space solar power station etc. Solar lights are collected by mirrors at the generator transmitter. The solar power satellite will consist of a large number of solar cells mounted on a frame of steel reinforced lunarcrete.
The concept of bringing solar power from large satellites in space or on the moon, have been explored. Diode laser satellite systems for beamed power transmission. Solar power from satellites this drawing shows how power collected by solar power satellites might be beamed to a receiving antenna on earth. Potential advantages of collecting solar energy in space include a higher collection rate and a longer collection period due to the lack of a diffusing atmosphere, and the possibility of placing a solar collector in an orbiting location where there is no night. Called wireless power transmission, these beams would be captured by receivers covering several square miles in remote areas on earth and converted back into dc power for terrestrial electrical grids. A solar energy collector to convert the solar energy. Solar generated, dc power would be converted to microwaves and transmitted through space as electronically steerable microwave beams. Explore solar power satellites with free download of seminar report and ppt in pdf and doc format.
Spacebased solar power essentially consists of three functional units. In 1940s ability to convert energy to microwaves was developed. Overview history wireless power transmission solar power satellite visualization challenges conclusion wpt via solar power satellite 2 3. Wireless power transmission using solar power satellites.
Solar power satellites have long been promoted for terrestrial use, but the advantage over groundbased assets has never been convincingly demonstrated. Producing solar power in space to be sent to the surface of the earth for use by consumers on the ground solar power satellite, or sps has been proposed as a means of solving the problem of electrical supply on the surface of the earth with a renewable, lowcarbonemission technology. Solar power satellites and microwave wireless power transmision technology 195 be beamed to the earths surface, where they would be received and converted back into electricity by a large array of devices known as rectifying antenna or rectennas. A ssmpts may allow a smaller receiving surface to be utilized on the receiving craft due to the higherdensity power transfer compared to direct solar flux from a ssmpts supplier craft. Also explore the seminar topics paper on solar power satellites with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. Wireless power transmission by using solar power satellite. Orbiting satellites would collectceivers would convert the resulting 24. Beamed power transmission from solar power satelites. Photovoltaic receivers for laser beamed power in space. Spacebased solar power sbsp is the concept of collecting solar power in outer space and distributing it to earth. Theoretical background it is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. Power relay satellites to access remote energy sources by uncoupling primary electricity generation from terrestrial transmission lines 15.
But the projected cost, complexity and energy economics of the notion seemingly shortcircuited the idea. Policy issues for retail beamed power transmission girish chowdhary, rajeev gadre, narayanan komerath. Wireless power transmission for solar power satellite sps. Policy issues for retail beamed power transmission girish chowdhary, rajeev gadre, narayanan komerath georgia institute of technology, atlanta, ga 303320150 email. The power generated in space can be transmitted to earth as microwave signals which can be collected with the help. Likewise, supplementary power may also be transmitted to satellites with. The concept of the solar power satellite sps is very simple.
The solar array needed to receive the beamed power is already in place on the satellite. Wireless power transmission for solar power satellite sps second draft by n. Boeing scientists also led a study on solar power satellites presented to the national security space office and participated in a nasadod. Wireless power transmission via solar satellite youtube. Its major advantage is its ability to transfer energy across large distances. Solar power satellites an overview sciencedirect topics.
Satellite beamed power for lunar surface assets 7034. Index termsgrid, microwaves, microwave generator, nikola tesla, rectenna, solar power satellites sps, transmitting antenna, wireless power transmission wpt. The solar power satellite sps is a concept for generating electrical power from solar energy via a geosynchronous orbiting satellite. Solar power satellites the illustration below by space studies institute senior associate mark martel shows the construction of an ssidesign solar power satellite built of lunar materials in geosynchronous orbit, where there is permanent sunshine. Japan has contributed a lot in achieving this by setting up large laboratories to conduct studies on solar power satellites 30% of the thermal energy being used to produce. Wireless power transfer is a generic term for a number of different technologies for transmitting energy by means of electromagnetic fields. A solar energy collector to convert the solar energy into dc direct current electricity. Solar power from satellites engineering and technology. Mar 11, 2014 12 the beamed microwave power transmission system can be used to transmit power to earth.
This video is about wireless power transmission via solar power satellite. The methods applied for wireless power transmission are also discussed. This entry was posted in energy, space and tagged eroei, photovoltaics, rockets, solar by tmurphy. Satellites that use other lasers are described by recent studies in refs. Solar power satellites seminar report, ppt, pdf for. For decades, researchers have been appraising the use of power beaming solar power satellites. The concept of free space power propagation is not a new concept and it is the topic of discussion for nearly four decades. Beamed power research is exploring a concept that could power future solarelectric unmanned aircraft and spacecraft by precisely beaming laser light to the aircraft. Of all the many spaceflight concepts nasa has studied, the most enormous was the solar power satellite sps fleet. Most analyses of solar power satellites have focused on photovoltaic conversion commonly known as solar cells.
Wireless power transmission for solar power satelite. The solar power satellite sps concepts en mirror transmission. The concept of solar power satellites sps entered the public domain close to 45 years ago, with the appearance of a paper in 1968 outlining the idea in science magazine. In a wireless power transmission system, a transmitter device, driven by electric power from a power source, generates a timevarying electromagnetic field, which transmits. The single space based laser is the straightforward approach. A solar power satellite operating with 10 gw of radiated power would radiate a total power of one microwatt in a 400 hz channel width. Reliability ground based solar only works during clear days, and must have storage for night power can be beamed to the location where it is needed, dont have to invest in as large a grid a network of low orbit satellites could provide power to almost any point on earth continuously because one satellite would always be in range. May 02, 2014 in the future, vast solar power satellites may beam energy to the earth from space. The illustration below by space studies institute senior associate mark martel shows the construction of an ssidesign solar power satellite built of lunar materials in geosynchronous orbit, where there is permanent sunshine. Wireless power transmission using solar power satellites and.
Satellites would be space platforms the size of a small city deployed some 22,000 miles 35,405 kilometers above the. Producing solar power in space to be sent to the surface of the earth for use by consumers on the ground solar power satellite, or sps has been proposed as a means of solving the problem of electrical supply on the surface of the earth with a renewable, lowcarbonemission technology, see also 19. A continuous beam lends itself to thermal rockets, photonic thrusters and light. Though solar power satellites is still a concept large strides are being taken by developed countries to turn this into reality by 2040. The same principle would be used but a special magnetron would be developed for space use. We can use theoretically all electromagnetic waves for a wireless power transmission wpt. This transmission is transmitted to the relevant position via an antenna. The beam is typically either a microwave or a laser beam and it is either pulsed or continuous. It looks like a wash at best, and the astronomers would say dont bother. The sps is a gigantic satellite designed as an electric power plant orbiting in the geostationary earth orbit geo.
Solar power from satellites this drawing shows how power collected by solarpower satellites might be beamed to a receiving antenna on earth. Wireless power transmission for solar power satellite sps it is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. One of the key technologies needed to enable the future feasibility of sps is that of microwave wireless power transmission. Solargenerated, dc power would be converted to microwaves and transmitted through space as electronically steerable microwave beams. Microwave power transmission as a future feasibilty of. Laser power is required for only 90 days out of the year. Proposed satellite would beam solar power to earth space.
Jan 21, 2017 this video is about wireless power transmission via solar power satellite. Solar power satellites and microwave wireless power. A space solar microwave power transfer system ssmpts may represent a paradigm shift to how space missions in earth orbit are designed. This allows ample time for laser refurbishment and preventative maintenance. It is a gigantic satellite designed as an electric power plant orbiting the earth which uses wireless power transmission of space based solar power. During 1982, boeing designed a solar power satellite system that could supply most of the united states at the time with electricity. But the projected cost, complexity and energy economics of the. Solar power satellites seminar report, ppt, pdf for mechanical. In the future, vast solar power satellites may beam energy to the earth from space. Spacebased solar power contains little intrinsic advantage that we can get only from space. In contrast to the terrestrial case, however, orbiting infrastructure for space power satellites is less expensive and simpler to emplace than ground facilities for use on other worlds. Sps is a clean, largescale, stable electric power source. Orbiting mirrors vision using the constant availability of sunwould reflect sunlight directly to central light in space to generate baseload electricitylocations on earth.
Because of the pulsed operation of these magnetrons they generate much spurious noise. Power is transmitted from distant sites to geosynchronous orbit and then reflected to a receiver on earth in a desired location. Scribd is the worlds largest social reading and publishing site. For decades, researchers have been appraising the use of powerbeaming solarpower satellites. Basic parts of beamed microwave power transmission system are. Solar power satellites sps converts solar energy in to micro waves and sends that microwaves in to a beam to a receiving antenna on the earth for conversion to ordinary electricity. Microwave power transmission is one of the promisingtechnologies and may be the righteous alternative for efficient power transmission. This is the first episode in my series resources from space. Satellites would be space platforms the size of a small city deployed some 22,000 miles 35,405 kilometers above the equator in geosynchronous earth orbit geo. S g srivani electricity is the most versatile and widely used form of energy. Beampowered propulsion, also known as directed energy propulsion, is a class of aircraft or spacecraft propulsion that uses energy beamed to the spacecraft from a remote power plant to provide energy. Wireless power transmission via solar power satellite pdf. Sep 14, 2014 overview history wireless power transmission solar power satellite visualization challenges conclusion wpt via solar power satellite 2 3. Each, theoretically, could be made to transmit a given amount of power, but each would differ in size, components, andor transmission wavelength.
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