Rasat Leo Satellite Power System Design and Operation

Akin, Meriem; Dağ, Bülent

doi:10.1109/rast.2007.4284040

Cited by 1 publication

(1 citation statement)

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“…• Solar Panels (SP) The power subsystem of RASAT flight model differs from BiLSAT in 2003 and the first pre-designed RASAT power subsystem in 2006 in terms of new technologies, reliability, and the qualification verification levels [3] [4]. In the following sections, the design and implementation details and qualification levels of RASAT power subsystem and its units will be presented in detail.…”

Section: Introductionmentioning

confidence: 99%

Power subsystem of RASAT flight model

Ozkaya

Colak

Imre

et al. 2011

Proceedings of 5th International Conference on Recent Advances in Space Technologies - RAST2011

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The purpose of a power subsystem is to ensure reliable delivery of electrical power compatible with all loads under all foreseeable operational states and environments, during all mission phases, and over the intended design life of the loads and of the space vehicle and the power subsystem is unarguably the most critical subsystem on a satellite. Therefore, reliability, efficiency, autonomy, redundancy and size features become critical issues in design and implementation of a satellite power system. Moreover, these parameters associated with the power subsystem usually determine the lifetime of a satellite. This paper describes the design details with redundancy concept, autonomous operation, single point free architecture and sizing of RASAT flight model power subsystem. Technical description and the qualification level of each power system module are also presented. For the battery charge regulator, the parallel operation and an effective MPPT algorithm will be presented in detail. Moreover, the power productionconsumption analysis and power system sizing will also be included for different scenarios.

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Section: Introductionmentioning

confidence: 99%