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Disturbance of Electronics in Low-Earth Orbits by High Energy Electron Plasmas

Journal Article
2009-01-2339
ISSN: 1946-3855, e-ISSN: 1946-3901
Published July 12, 2009 by SAE International in United States
Disturbance of Electronics in Low-Earth Orbits by High Energy Electron Plasmas
Sector:
Citation: Matzkind, C., Seidler, W., and Atkinson, W., "Disturbance of Electronics in Low-Earth Orbits by High Energy Electron Plasmas," SAE Int. J. Aerosp. 4(1):8-13, 2011, https://doi.org/10.4271/2009-01-2339.
Language: English

Abstract:

Electrical disturbances caused by charging of cables in spacecraft can impair electrical systems for long periods of time. The charging originates primarily from electrons trapped in the radiation belts of the earth. The model Space Electrons Electromagnetic Effects (SEEE) is applied in computing the transient charge and electric fields in cables on spacecraft at low to middle earth altitudes. The analysis indicated that fields exceeding dielectric breakdown strengths of common dielectric materials are possible in intense magnetic storms for systems with inadequate shielding. SEEE also computes the minimal shielding needed to keep the electric fields below that for dielectric breakdown.