Solar panel coverglass degradation due to the simulated GEO environment exposure

Elena Plis; Vanessa G. Murray; Daniel P. Engelhart; Karin W. Fulford; Alexey Sokolovskiy; Dale Ferguson; Ryan C. Hoffman

doi:10.1117/12.2588655

12 April 2021 Solar panel coverglass degradation due to the simulated GEO environment exposure

Elena Plis, Vanessa G. Murray, Daniel P. Engelhart, Karin W. Fulford, Alexey Sokolovskiy, Dale Ferguson, Ryan C. Hoffman

Author Affiliations +

Proceedings Volume 11727, Algorithms, Technologies, and Applications for Multispectral and Hyperspectral Imaging XXVII; 117270W (2021) https://doi.org/10.1117/12.2588655
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

Geosynchronous orbit (GEO) weathering induces differential charging of spacecraft surfaces due to simultaneous fluxes of electrons with a wide distribution of energies onto, into, and through spacecraft surface materials. Thus, satellite surfaces can charge thousands of volts with respect to each other whereas entire satellites can charge tens of thousands of volts negative of their surrounding space plasma. The ensuing electric fields can cause local discharges (arcs) from one part of the spacecraft to another, endangering the normal operation of the satellite. Arcing on solar panels can cause reduced optical transmission through solar cell coverglasses which will lead to reduced power production negatively affecting a long-term satellite missions. This work focuses on evaluation of simulated GEO space weather effect, comprised by < 90 keV high-energy electron irradiation, on optical and charge transport properties of two different types of commonly used space solar cells coverglasses, CMX and CMG.

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Citation Download Citation

Elena Plis, Vanessa G. Murray, Daniel P. Engelhart, Karin W. Fulford, Alexey Sokolovskiy, Dale Ferguson, and Ryan C. Hoffman "Solar panel coverglass degradation due to the simulated GEO environment exposure", Proc. SPIE 11727, Algorithms, Technologies, and Applications for Multispectral and Hyperspectral Imaging XXVII, 117270W (12 April 2021); https://doi.org/10.1117/12.2588655

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