Computer Science
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.764k&link_type=abstract
IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,
Computer Science
Scientific paper
power generator / transmitter of the sandwich structure and large reflectors. The concept has many benefits: (1) Heavy long power transmission lines on the solar paddles and a rotary joint for the connection between the solar paddles and the microwave transmitter are unnecessary for the sandwich concept, because the solar cells are directly and shortly connected to high power amplifiers. (2) The size of the solar paddles can be reduced to that of the microwave transmitter. (3) The very light inflatable collectors can effectively concentrate the solar energy on the solar paddles. Thus, the sandwich concept of the SPS looks very reasonable enough to be realized. functions necessary for the sandwich SPS. The model is composed of the sandwich SPS and the rectenna on the ground. Several bright lights are hanged from the ceiling of the exhibition hall to radiate the reflectors, which concentrate the light energy on the solar cells on the sandwich structure. Electric power is generated by the solar cells and converted to microwave by high efficient FET amplifiers. The microwave radiated from the transmitter is efficiently received by the rectenna on the ground. The main purpose of the demonstration is to verify the total efficiency from the power generation by the solar cells to the power conversion by the rectenna high enough for the practical use of the SPS. in the presentation.
Ashina H.
Iwashita M.
Kaya Necati
Okuda Yusuke
Sakaguchi Y.
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