NDLI: Modular solar panels using components engineered for producibility

Content Provider	IEEE Xplore Digital Library
Author	Stern, T. Reid, A.
Copyright Year	2011
Description	Author affiliation: Vanguard Space Technologies, Inc., San Diego, CA (Stern, T.; Reid, A.)
Abstract	A modular panel approach for spacecraft solar arrays is described that uses space qualified materials, including conventional high efficiency crystalline solar cells, and engineers the component designs for producibility. The module design includes a multi-cell protective transparent coverglass replacement layer, insulating substrate, interconnects, diodes and wiring. The approach allows improved environmental resistance, while simultaneously providing a design that has enough standardization that it can be transitioned to a repetitive production environment. Features built into the layers position the Cell-Interconnect (CI) assemblies, solder preforms and wiring connections, allowing a one step process for covering, stringing, laydown and wiring of the array of solar cells into series-parallel strings. The lamination approach also allows the solar cells to be mounted onto a Kapton flex-circuit layer, which, together with a multi-cell, conductively coated cover, can provide electromagnetic cleanliness needed for some missions. Samples of solar cell stack including coverglass replacement material, as well as 2- and 4-cell submodules were built and tested in LEO environments, including thermal cycling, vacuum ultraviolet and proton irradiation, which led to a flight test on MISSE-7. Data from the first year in LEO confirms the ability of the design to perform on a par with current qualified solar panels using custom designs with conventional coverglass. A standardized single string module that fits into a larger panel frame was developed with eighteen modules fabricated, assembled into three panels, and subsequently integrated into a three panel array. A simulated zero-G deployment of the 3-panel array was demonstrated, looking towards possible application to an ESPA-size spacecraft.
Starting Page	001626
Ending Page	001629
File Size	832856
Page Count	4
File Format	PDF
ISBN	9781424499663
ISSN	01608371
e-ISBN	9781424499656
DOI	10.1109/PVSC.2011.6186267
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wiring Photovoltaic cells Substrates Assembly Hardware Low earth orbit satellites
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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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