Physics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.555e..71l&link_type=abstract
Proceedings of the 4th International Spacecraft Propulsion Conference (ESA SP-555). 2-9 June, 2004, Chia Laguna (Cagliari), Sard
Physics
Scientific paper
Alphabus (@Bus), an ESA - CNES initiative, is a new European Advanced Platform for future High capacity Geostationary Telecommunication Spacecraft. @Bus satellite propulsion is implemented mainly for satellite positioning to its orbital slots after injection to Space by launch vehicle as well as for station keeping during its operational life. Additional sub-functions as repositioning, post mission disposal . @Bus satellite propulsion is performed with both chemical and electrical technology. The aim of this paper is to study the electrical technology application High Power Electrical Propulsion implementation for Station Keeping mission and for partial or total orbit raising phase is considered for full range up to 25 kW Payload power. System analyses on propulsion means according to a set of mission profiles and launch scenarios provide preliminary results showing that for electrical propulsion, high power thrusters either gridded ion engines or plasma Hall effect thrusters are good candidates to optimally answered to a predefined set of programmatic and economical constraints . Pre developments activities on these technologies have been started in order to prepare the future optimised propulsion scheme of the @Bus platform. The main results obtained with PPS 5000, RIT 22 and T6 thrusters are shown.
Garnero P.
Lyszyk Michel
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