NDLI: Development of 400 V Solar Array Technology for Low Earth Orbit Plasma Environment

Content Provider	IEEE Xplore Digital Library
Author	Hosoda, S. Okumura, T. Jeong-ho Kim Toyoda, K. Mengu Cho
Copyright Year	1973
Abstract	To realize a 400 V operation in low Earth orbit (LEO), problems of arcing caused by interaction between spacecraft and surrounding LEO plasma must be overcome. This paper is a summary report of the laboratory tests carried out to develop a 400 V solar array technology. Among various designs tested, a design of covering a solar array surface with transparent film, called film coupon, was the most promising mitigation method to prevent arc inception. The authors carried out various tests on the film coupons considering a realistic situation encountered in orbit. The coupon biased to -400 V in LEO-like plasma had no arc for more than 25 h. Other tests involved UV exposure, atomic-oxygen exposure, thermal cycling, and debris impact. Conductive substrate made of carbon fiber reinforced plastic suffered many arcs at -400 V. Sustained arc between a solar cell and the substrate was also observed upon a simulated debris impact. Therefore, the use of flexible substrate is adequate for 400 V solar array in LEO environment. To avoid the snapover effect near the positive end of the array circuit, only the negative part of the array circuit exceeding the arc-inception threshold should be covered by film, or an electron collector should be deployed
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	1986
Ending Page	1996
Page Count	11
File Size	1561718
File Format	PDF
ISSN	00933813
Volume Number	34
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Low earth orbit satellites Testing Substrates Space technology Space vehicles Plasma simulation Fiber reinforced plastics Photovoltaic cells Circuit simulation Electrons spacecraft charging Arc mitigation high-voltage solar array low Earth orbit (LEO)
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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