The main objective of this activity was to study the B 3 R converter [1] and to confirm its flexibility and performance (mainly efficiency and mass reduction) versus solutions that is implemented in a satellite PCU. For details see [2] ESTEC SOW. An architecture with centralised regulated bus, single battery and centralised solar array was selected for this study. Project Plan: -Study, design and development of an evaluation prototype, based on the B³R topology (including protections and control loops). -Study, design and development of an Electrical Elegant Breadboard including three power stages, based on the B³R topology (including protections and control loops).-Laboratory tests of these converters (power stages, control loops and protections). -Conclude the study by comparing the achieved performances (including efficiency and mass) versus current solutions implemented on a satellite PCU. Summary of the pros and cons of the use of the B 3 R concept.
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