Computation of photovoltaic parameters under lunar temperature variation

Details Computation of photovoltaic parameters under lunar temperature variation Computation of photovoltaic parameters under lunar temperature variation

Publishing date

May 1993

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993sprt.nasa..298d&link_type=abstract

Journals

In NASA. Lewis Research Center, Proceedings of the 12th Space Photovoltaic Research and Technology Conference (SPRAT 12) p 298-3

Science

Statistics

Field

Computation

Additional info 3

Energy Conversion Efficiency, Energy Gaps (Solid State), Energy Storage, Photovoltaic Cells, Regenerative Fuel Cells, Solar Arrays, Temperature Dependence, Lunar Temperature, Open Circuit Voltage, Short Circuit Currents

Type

Scientific paper

Abstract

Photovoltaic (PV) arrays with regenerative-fuel-cell energy storage is a prime, power-system candidate for lunar photo-power. The PV module performance decreases at higher temperatures. Surface temperature variations of the moon are extreme, the maximum (noon) temperature being 384 K. The present work utilizes detailed computations of photovoltaic parameters with computer program developed earlier for the computation of optimum bandgaps of single- and two-junction solar cells at different temperatures, and calculates the power output of single and two-junction solar modules under different configurations which constitutes an improvement over the assumption of a linear variation of efficiency with temperature. The program also calculates the necessary PV-array size to satisfy stipulated levels of day- and night-time power consumption.

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