Scribd is the worlds largest social reading and publishing site. The power transmission system, including the conversion of electrical energy and the generation of the beam. The vision of delivering solar power to earth from platforms in space has been known for decades. Low earth orbit nano satellite electrical power system design. The idea for a solar power satellite that would help meet the growing energy needs of developed and developing nations was conceived by dr. 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.
Specific time periods associated with each project are listed in the methodology documentation. Our large portfolio of space qualified devices and reference designs help you maximize your system performance. Also, did some client calls before signing on the deal. This report provides a summary of the state of the art for each of the following small spacecraft technology domains. It is a gigantic satellite designed as an electric power plant orbiting the earth which uses wireless power transmission of space based solar power. Solar electric system design, operation and installation. Solar pv battery system the most common electricalpowergeneration system for spacecraft is the combination of solarphotovoltaic arrays and batteries as shown schematically in the following figure, figure 9. Satellite power system sps international agreements. The power system used was 4 liion batteries parallel to 33 gaas solar cells, providing 1. Detailed design of a space based solar power system.
The transmission is transmitted through space and atmosphere and received on earth by an antenna called the rectenna. Solar power satellite seminar report pdf seminars topics. Modules and consequently arrays are made by series and parallel connection of such solar cells. Sbsp differs from the usual method of solar power collection in the earth. Dishengine system concentrating solar power basics. Solar panels, as they are usually called, are now quite a common sight here on earth, but they were first used in space in 1958 to power the vanguard satellite.
Following the jaxa tradition, the mission was renamed after the spacecrafts first successful orbit from solarb to hinode, a japanese word that means sunrise. The power generationtransmission panel is composed of a huge number of perfectly equivalent power modules. Concerning the power transmission efficiency of the wpt, there are some good optical approaches in russia56. Space solar power satellite ssps is a tremendous energy system that collects and converts solar power to electric power in space, and then transmits the electric power to earth wirelessly. Also the sales guy was very transparent and answered all our questions in detail. For the sake of this assessment, small spacecraft are defined to be spacecraft with a mass less than 180 kg. Roofs that face east or west may also be acceptable. Solar power towers use a large field of rotating mirrors to track the sun and focus the sunlight onto a. Rectenna,solar power satellite, orbiting satellite, wireless power transmission, i. This high voltage supply needs to be stored and converted for all the onboard electronics. During 1982, boeing designed a solar power satellite system that could supply most of the united states at the time with electricity. This transmission is transmitted to the relevant position via an antenna.
History originally known as satellite solar power system ssps, was first described in november 1968. The solar power satellite has been hailed by proponents as the answer to future global energy security and dismissed by detractors as impractical and uneconomic. Abstractthe aim of this paper is to analyze advanced solar dynamic space power systems for electrical space power generation. Introduction the initial sizing for the solar power satellite sps was optimized to a 1km transmitting antenna producing 5 gw of dc power from a receiving an tenna rectenna approximately 10 km in diameter. Pdf solar power satellite demonstration system for lunar. Dishengine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. It is designed to explore the magnetic fields in the solar corona and to improve our understanding of the mechanisms that power the solar atmosphere and drive solar eruptions. Dishengine systems are like satellite dishes that concentrate sunlight rather than signals, with a heat engine located. Department of energy, office of energy research, satellite power system project office, january 1980.
Detailed design of a space based solar power system by sean joseph mobilia in 1968, dr. Introduction spacebased solar power sbsp is the concept of collecting solar power in space using an sps, that is, a solarpower satellite for use on earth. Satellite electrical power system eps system integrated. Mechanical, power, and propulsion subsystem design for a cubesat a major qualifying project submitted to the faculty of worcester polytechnic institute in partial fulfillment of the requirements for the degree of bachelor of science in aerospace engineering by keith cote jason gabriel brijen patel nicholas ridley zachary taillefer. The dishengine system is a concentrating solar power csp technology that produces smaller amounts of electricity than other csp technologiestypically in the range of 3 to 25 kilowattsbut is beneficial for modular use. By comparison, the 1997 mars pathfinder spacecraft, which used only solar and battery power, operated only three months. Solar wireless power transmission satellite from space. Future suitable and largest application of the wpt via microwave is a space solar power satellite sps. Most analyses of solar power satellites have focused on photovoltaic conversion commonly known as solar cells.
Solar power satellites an overview sciencedirect topics. Solar power from the satellite is sent to earth using a microwave transmitter. The sun is a very powerful, clean and convenient source of power, particularly for satellites satellite power systems. Abstractin this paper, we present the concept of solar power satellites the solar cells in the satellite will convert sunlight to electricity, which will changed to radio frequency energy, then beamed to a receiver site on earth and reconverted to electricity by using transmitting and receiving antenna with the technology of wireless. Other assumptions are mentioned in the document as they are needed. Wireless power transmission for solar power satellite sps. This solution is primarily concerned with designing the power system for the satellite killer spacecraft. One of the current scientific concepts involves a satellite power system sps in which satellites in geostationary orbit geosats would collect light energy from the sun and convert it, first, to electricity and, then, to microwaves for. The primary function of this subsystem is to beam the gathered solar. First, the general operation and problems of the cansat power system are given. 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. Woodcock study manager boeing aerospace company ballistic missiles and space division p.
As an example, a due west facing rooftop solar pv system, tilted at 20 degrees in salem, oregon, will produce about 88 percent as much power as one pointing true south at the. Spacebased solar power 1 sbsp is a system for the collection of solar power in space, to meet the ever increasing demand for energy on earth. Spacebased solar power essentially consists of three functional units. Arguably the key element which makes satellite derived solar power a tenable concept is the array antenna. Solar data are taken from the nasa gewex srb and the flashflux projects.
In 1940s ability to convert energy to microwaves was developed. Spacebased solar power sbsp is the concept of collecting solar power in outer space and distributing it to earth. The power generation system solar cells, concentrators or other. The strategy is based on the idea that each component is dependent upon the component from which it receives power. The objective of the solar power satellite sps is to convert solar energy in space for use on earth. Some questions and answers about the satellite power system sps, doeer00491, u. A prototype of solar wireless power transmission satellite. Generation of photovoltaic system the power production device involved is the solar cell. Decided to install solar system for our house and zeroed in on satellite solar as the rates and services provided was the best promised.
From space to earth here is the working model of wireless power transmitting satellite. Complete spacecraft, power, propulsion, guidance navigation and control, structures, materials and mechanisms, thermal. Nasa power prediction of worldwide energy resources. Two of the outer planets beyond the orbit of mars jupiter. Supplied with rtgs, the viking landers operated on mars for four and six years, respectively. Since no physical fuel can be supplied to power satellites from earth, they are usually equipped with solar panels and rechargeable battery cells, which entail unique characteristics of power supply, as explained below. A wireless power transmission using microwave is a system which contains satellite based solar power system sps, microwave generator, microwave transmitter magnetron and microwave receiver rectenna. A solar array is an assembly of thousands of solar cells connected in way to provide appropriate power levels as needed for the particular operation of the satellite. There are advantages to a lower power output and a smaller rectenna. Mechanical, power, and propulsion subsystem design for a.
However, early architectures to accomplish this vision were technically complex and. Satellites harness power from solar panels to power the spacecraft. Fire fighter safety and emergency response for solar power. There are now several companies dedicated to successfully creating a solar power satellite system. Spacebased solar power sbsp is the concept of collecting solar power in space using an sps, that is, a solarpower satellite or a satellite power system for use on earth. Case study of solar power producing efficiency from a. Space energy is a company that plans to develop the first solar power satellite and transmit electricity to the earths surface by creating and launching a test satellite into low earth orbit. The solar power satellite sps is a concept for generating electrical power from solar energy via a geosynchronous orbiting satellite. Solar power satellite system definition study volume v11 phase i final briefing sps and rectenns systems anolyros d 180250377 approved by. The power solar data are inferred via radiative transfer models from satellite observations. The first practical solar power satellite via arbitrarily large phased array a 20112012 nasa niac phase 1 project abstract.
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