Computer Science
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.567...65m&link_type=abstract
Proceedings of The 4th International Conference on Solar Power from Space - SPS '04, together with The 5th International Confere
Computer Science
Scientific paper
In this paper, we evaluate the value that the solar panels will be set on the orbit from the economic standpoint and consider the necessity of the Space Solar Power System (SSPS). In order to these evaluations, we compare the SSPS with the photovoltaic power system on the ground (PVPSG). Firstly, we examined the generation cost of the PVPSG. When the PVPSG do not have some storage system and can not supply the electricity for the base-load power, the cost of generating power calculated is about 8.1 yen/kWh in the minimum cost cases, the cost of the equipments around the solar cell is the predictive values. The SSPS is expensive slightly than it of the PVPSG in this future scenario. Secondary, we suppose the case that the PVPSG have to have some storage system in order that the PVPSG need to send the electricity stably. The pumped hydropower, the lead battery and the fuel cell are assumed as the storages in this paper. In these cases, the costs of generating power become expensive over 30 yen/kWh. It is possible that the SSPS is not expensive than it with some cost reductions about the transportation cost to the earth orbit.
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