Solar array augmented electrostatic discharge for spacecraft...

Details Solar array augmented electrostatic discharge for spacecraft... Solar array augmented electrostatic discharge for spacecraft...

H - Electricity

01

L

H01L 31/02 (2006.01) H01L 31/042 (2006.01) H01L 31/048 (2006.01)

Patent

CA 2253529

Improved solar cell circuit layouts and cell structures that protect solar arrays located on spacecraft disposed in geosynchronous earth orbit from electrostatic discharge. An insulating material, such as RTV adhesive, for example, is used as a barrier that disposed in intercell gaps between solar cells. The use of the insulating material modifies sparking in the gaps caused by electrostatic discharge so that, while the spark still occurs, it has different non-destructive characteristics. The use of the insulating material causes no damage to other solar cell materials, such as a Kapton insulating layer or substrate used to support the solar cells. Furthermore, unique solar cell wiring schemes are provided that limit the voltage between adjacent solar cells to 50 volts or less.

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