JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleExperimental study on electron-beam-induced discharges on solar arrays for space use
Author(jpn)藤井 治久; 宮本 英明; 小圷 秀明
Author(eng)Fujii, Haruhisa; Miyamoto, Hideaki; Koakutsu, Hideaki
Author Affiliation(jpn)奈良工業高等専門学校 電気工学科; 奈良工業高等専門学校 電気工学科; 三菱電機 鎌倉製作所
Author Affiliation(eng)Nara National College of Technology Department of Electrical Engineering; Nara National College of Technology Department of Electrical Engineering; Mitsubishi Electric Corp. Kamakura Works
Issue Date2004-06
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title第23回宇宙エネルギーシンポジウム 平成15年度
The 23rd ISAS Space Energy Symposium March 9, 2004
Start page36
End page40
Publication date2004-06
AbstractThis paper deals with the electron-beam irradiation experiments concerning the arcing discharge on the solar array. It is very important to investigate this discharge phenomenon and offer a guideline to design solar arrays with high reliability. A pair of real GaAs solar cells on a substrate were used as a sample. The sample was biased to - 9 kV and the electron beam of the energy of 10 keV was irradiated to the sample. On that condition, the voltage from DC battery was applied to the gap between the cells. The detrimental arcing did not occur even at the gap voltage of about 80 V, although a few hundreds of ESD took place. Therefore, the high voltage use of solar array, for example 100 V, is thought not to cause sustained arcing discharge to destroy the satellite system if arrays are designed to lower the maximum voltage between cell strings with reasonable distance.
Keywordssolar array; electron beam; electric discharge; spacecraft charging; aerospace environment; GaAs solar cell; electron irradiation; secondary electron emission; 太陽電池アレイ; 電子ビーム; 放電; 宇宙機帯電; 航空宇宙環境; GaAs太陽電池; 電子照射; 2次電子放出
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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