E3S Web Conf.
Volume 16, 201711th European Space Power Conference
|Number of page(s)||8|
|Section||Power Generation: Solar Generators Mission Design|
|Published online||23 May 2017|
Status of Solar Generator Related Technology Development Activities Supporting the Juice Mission
1 European Space Agency, Keplerlaan 1, 2201 AZ Noordwijk (The Netherlands)
2 AZUR SPACE Solar Power GmbH, Theresienstr.2, 74072 Heilbronn (Germany)
3 Fraunhofer Institute for Solar Energy Systems, 79110 Freiburg (Germany)
4 ONERA/DESP, 2 avenue Edouard Belin, 31055 Toulouse Cédex 4 (France)
5 Laboratoire des Solides Irradiés, CNRS-UMR 7642, CEA-DRF-IRAMIS, Ecole Polytechnique, Université Paris-Saclay, 91128 Palaiseau Cedex (France)
6 CESI S.p.A., Via Rubattino, 54, 20134 Milan (Italy)
7 Airbus DS GmbH, Ludwig-Bölkow-Allee, 81663 Munich (Germany)
8 Leonardo - Finmeccanica, Viale Europa, 20014 Nerviano (Mi) (Italy)
9 Thales Alenia Space France, 26 avenue J.F. Champollion, 31037 Toulouse Cedex 1 (France)
10 Airbus DS NL, Mendelweg 30, 2333 CS Leiden (The Netherlands)
11 INTA (SPASOLAB), Ctra. Ajalvir km.4, 28850 Torrejon de Ardoz (Madrid) (Spain)
The paper provides an overview of the current status of several technical development activities initiated by the European Space Agency (ESA) to support the JUICE mission to the Jovian system. First of all, the qualification status of the solar cells to be used in the JUICE mission will be reported. Then, the conclusions from a dedicated activity aiming at assessing the potential degradation of triple-junction solar cells upon primary discharges will be discussed. Finally, the results on the coupon tests currently running at ESA will be presented. The coupons consist of representative solar cell assemblies including coverglasses with a conductive Indium Tin Oxide (ITO) layer. Dedicated coverglass grounding technologies are tested on the coupons which connect the conductive coverglass surfaces to the panel ground. It will be shown how the resistivity of the materials used in the coupons evolves upon submission to extreme thermal cycles.
© The Authors, published by EDP Sciences, 2017
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