人工衛星の太陽電池パネルの放電試験

Material type: 文書・図像類

Author: 川北, 史朗ほか

Publisher: 宇宙航空研究開発機構

Publication date: 2006-01-20

Material Format: Digital

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Note (General)：: A large solar array paddle with the power generation of 7 kW was developed for the Advanced Land Observing Satellite (ALOS). With the deployed dimensi...

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Material Type: 文書・図像類
Title: 人工衛星の太陽電池パネルの放電試験
Author/Editor: 川北, 史朗
仁田, 工美
岐部, 公一
岩田, 隆敬
三浦, 健史
Kawakita, Shiro
Nitta, Kumi
Kibe, Koichi
Iwata, Takanori
Miura, Takeshi
Author Heading: 川北, 史朗
仁田, 工美
岐部, 公一
岩田, 隆敬
三浦, 健史
Kawakita, Shiro
Nitta, Kumi
Kibe, Koichi
Iwata, Takanori
Miura, Takeshi
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2006-01-20
Publication Date (W3CDTF): 2006-01-20
Alternative Title: Discharging test for a satellite solar array panel
Periodical title: 宇宙航空研究開発機構特別資料: 平成16年度総合技術研究本部宇宙領域宇宙科学研究本部合同研究成果報告書:人工衛星系基盤技術 = JAXA Special Publication: FY2004 Report of Joint Research Achievements of the Space Division of Institute of Aerospace Technology and Institute of Space and Astronautical Science: Basic Technologies of Satellite Systems
No. or year of volume/issue: JAXA-SP-05-008
Volume: JAXA-SP-05-008
Pages: 73-76
ISSN (Periodical Title): ISSN : 1349-113X
Text Language Code: jpn
Subject Heading: 持続的アーク
電導性接着剤
オーロラ帯
極軌道
宇宙機帯電
ALOS
陸域観測技術衛星
太陽電池アレイ
電子線照射
CFRP
sustained arc
conductive adhesive
auroral zone
polar orbit
spacecraft charging
Advanced Land Observing Satellite
solar array
electron beam irradiation
Target Audience: 一般
Note (General): A large solar array paddle with the power generation of 7 kW was developed for the Advanced Land Observing Satellite (ALOS). With the deployed dimension of 22 x 3 m in a polar orbit, this 9-panel rigid paddle has insulator Silver-Teflon thermal sheets and exposed bypath diode boards on its back face. A charging analysis suggested that large negative potentials on the dielectric back-surfaces and at satellite ground may be induced through the ALOS's auroral passage in off-nominal conditions. The ALOS's baseline panel design was tested for the electron beam radiation which simulated charging situations near the poles. Possibility of sustained arc and surge voltage, as well as survivability against estimated accumulation of arcs, was investigated. The back face showed small negative arc thresholds for both the insulator surface potential and the spacecraft ground voltage. Surface flashover was observed over the silver-Teflon coating. Although the back face was demonstrated sufficiently against sustained arcs, design modifications to mitigate the back face's susceptibility for charging and arcing were experimentally examined and implemented. The conductive adhesive that surrounded the baseline Silver-Teflon sheet and covered the CFRP face-sheets eliminated arcs at the silver-Teflon edges and the face-sheet. The Kapton film shielding the diode board protected the exposed power line from arcs.
資料番号: AA0049054014
レポート番号: JAXA-SP-05-008
Access Restrictions: 限定公開
Periodical Title (NCID): AA11984031
https://ci.nii.ac.jp/ncid/AA11984031
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ