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- W1649210367 abstract "The Electrical Power System (EPS) constitutes a key point for the spacecraft especially in term of mass and cost. Sizing must be as accurate and reliable as possible in order to reduce the margins and to propose optimised and competitive systems. The high diversity of the missions to be studied (missions to Mars, Mercury, specific Earth observation with agile spacecraft), the different mechanical configurations (rotating, fixed or body mounted solar array, deployable or fixed radiators), the variety of EPS architectures lead to the necessity to finely model the mission. This must be done by the definition of the mechanical geometry, then the orbit and the pointing laws allowing the computation of the thermal fluxes and the different thermal interactions between the solar array, the battery and the rest of the spacecraft. This is done with the SYSTEMA software tool, already used for system thermal analysis. All these informations are used by a new module of Systema called Power-Systema. Based on a modular approach, it allows the modelling of both electrical and thermal behaviour of the EPS. Thanks to an large component data base (solar cells, battery, regulators) issued from accurate modelling or characterisation campaign, any existing or new architecture can be easily simulated. Its conviviality and speed make it an excellent tool already used on proposals (where competitive design and modularity is required), on phase A (where modularity and flexibility is needed), on phases C/D (where accurate margin management is important) and even on phase E for flight predictions." @default.
- W1649210367 created "2016-06-24" @default.
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- W1649210367 date "2002-05-01" @default.
- W1649210367 modified "2023-09-23" @default.
- W1649210367 title "POWER-SYSTEMA: The Next Generation of Power Simulator" @default.
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