The stretched lens array (SLA) [spacecraft solar power]

The stretched lens array (SLA) [spacecraft solar power]

At IECEC 2001, this team presented a paper on the new stretched lens array (SLA), including its evolution from the successful SCARLET array on the NASA/JPL Deep Space 1 spacecraft. Since that conference, the SLA team has made significant advances in SLA technology, including component-level improvem...

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Veröffentlicht in:IEEE aerospace and electronic systems magazine 2003-01, Vol.18 (1), p.3-9
Hauptverfasser: O'Neill, M.J., McDanal, A.J., Piszczor, M.F., George, P.J., Edwards, D.L., Brandhorst, H.W., Eskenazi, M.I., Botke, M.M., Jaster, P.M.
Format: Magazinearticle
Sprache:eng
Schlagworte:
Fabrication
Hardware
Lenses
NASA
Photovoltaic cells
Prototypes
Solar energy
Space technology
Space vehicles
Testing
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Beschreibung
Zusammenfassung:At IECEC 2001, this team presented a paper on the new stretched lens array (SLA), including its evolution from the successful SCARLET array on the NASA/JPL Deep Space 1 spacecraft. Since that conference, the SLA team has made significant advances in SLA technology, including component-level improvements, array-level optimization, space environment exposure testing, and prototype hardware fabrication and evaluation. This paper describes the evolved version of the SLA, highlighting recent improvements in the lens, solar cell, photovoltaic receiver, rigid panel structure, and complete solar array wing. In addition to excellent durability in the space environment, the near-term SLA will provide outstanding wing-level performance parameters: 180 W/kg specific power; 300 W/m/sup 2/ power density; 300 V operational voltage; 85% savings in cell area (cm/sup 2//W) and cell-related cost (/W) compared to planar arrays; 9 kW/m/sup 3/ stowed power at launch.
ISSN:0885-8985
1557-959X
DOI:10.1109/MAES.2003.1167322