ETCA proposal To use equipments with topology & technology developed with present ESA contract: 'IPS : Integrated power system" Advantages: • Minimum non recurrent activities & cost - Very low cost for recurrent phase - prototype version - no LAT activities - no HI REL components - improved performances - Direct application of R & D contract —-> possibility to use GSTP or PSDE funding Disadvantages: The proposed modules will contains functions not required by Powersat I - protection - Internal redundancy Main parameters • peak power : 2 Kw - number of Tx : 4 with 50V interface - number of battery : 1
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