NDLI: ESD Ground Test of Solar Array Coupons for a Greenhouse Gases Observing Satellite in PEO

Content Provider	IEEE Xplore Digital Library
Author	Toyoda, K. Masui, H. Muranaka, T. Cho, M. Urabe, T. Miura, T. Kawakita, S. Gonohe, Y. Kikuchi, T.
Copyright Year	1973
Abstract	An electrostatic discharge test was carried out on a solar array paddle (SAP) for the Greenhouse gases Observing SATellite (GOSAT) on a simulated polar Earth orbit (PEO) environment. To simulate the spacecraft charging conditions in a PEO with an auroral band, when electrons with higher energy than LEO plasma flow to the Earth, three conditions of dielectric charging can be considered on each side of the SAP. At first, the threshold voltage differences of discharge inception were measured experimentally using solar array coupons simulating both the beginning and the end of life under six charging conditions. Next, the Multiutility Spacecraft Charging Analysis Tool was employed to analyze the spacecraft surface potential and the time needed for charging. From the threshold value and the charging analysis, the probability and the number of discharges were estimated in each charging condition during a lifetime of the GOSAT. Finally, the performance of the coupons against discharges was evaluated for each charging condition. All coupons had no sustained arc during these tests; however, there was some electrical degradation of the solar cell. The power degradation during the lifetime of the GOSAT was estimated from these results, and the design of the solar array coupon was confirmed to satisfy the power demand even if the estimated number of discharges occurs in the lifetime.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	2413
Ending Page	2424
Page Count	12
File Size	1620647
File Format	PDF
ISSN	00933813
Volume Number	36
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrostatic discharge Testing Global warming Satellites Space vehicles Life estimation Lifetime estimation Earth Plasma simulation Plasma measurements spacecraft charging Electrostatic discharge (ESD) test polar Earth orbit (PEO) solar array
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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