High efficiency homojunction InP solar cells have been developed. To evaluate and qualify them for space applications, various environmental tests were conducted on the ground. Besides, the InP cells were installed as a radiation degradation characteristic instrument onto the 12th scientific satellite and as a power source onto a lunar orbiter on board the 13th satellite, actually operated in orbit. Large decreases in the short circuit current and the open circuit voltage on the cells onboard the 12th satellite were found to be due to lower energy proton irradiation by applying our new analytical model. On the one hand, output power of the solar array for the lunar orbiter was as predicted till the separation from the 13th satellite to place the orbiter in orbit around the moon.
InP solar cells for scientific satellite applications
InP-Solarzelle für wissenschaftliche Satellitenanwendungen
Proceedings of the European Space Power Conference ; SPA-320 ; 501-506
1991
6 Seiten, 13 Bilder, 5 Tabellen, 8 Quellen
Aufsatz (Konferenz)
Englisch
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