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

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title宇宙用ワイヤの持続放電特性 (III)
Other TitleCharacteristics of sustained arcing discharges between wires in vacuum (III)
Author(jpn)藤井, 治久; 上谷, 佑介
Author(eng)Fujii, Haruhisa; Uetani, Yusuke
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
Author Affiliation(eng)Department of Electrical Engineering, Nara National College of Technology; Department of Electrical Engineering, Nara National College of Technology
Issue Date2009-06
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)
Publication titleSpace Energy Symposium
Publication date2009-06
AbstractThe anomaly of Japanese satellite ADEOS-II (Advanced Earth Observing Satellite II) appeared in 2003 is supposed to be caused by arcing discharges initiated due to ESD (Electrostatic Discharge) in the bundled wire-harnesses of the solar paddle. In order to make the conditions of the occurrence of the discharge clear, it is necessary to evaluate the arcing discharge characteristics in vacuum quantitatively. Therefore we tried to investigate the characteristics of arcing discharges between two exposed conductors consisting of a pair of insulating wires for space use. The discharges were triggered by ESD released from a capacitor to a blade electrode which edge contacts with the wire's insulator. These characteristics were obtained as parameters of the pressure in the chamber, the amplitude and the direction of the current flowing the conductor and so on. We obtained the result that the arcing discharge time is nearly constant to the pressure and is strongly affected by the magnetic field formed between the conductors by the current flowing the conductor itself.
Description会議情報: 第28回宇宙エネルギーシンポジウム(2009年3月9日, 宇宙航空研究開発機構宇宙科学研究本部相模原キャンパス)
Meeting Information: The twenty-eight Space Energy Symposium (March 9, 2009. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara)
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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