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Average-Current-Mode Control of Pseudo-Continuous Current Mode BUCK-BOOST Type Solar Array Regulator  

Yang, JeongHwan (한국항공우주연구원)
Yun, SeokTeak (한국항공우주연구원)
Publication Information
Journal of Satellite, Information and Communications / v.7, no.2, 2012 , pp. 72-75 More about this Journal
Abstract
A solar array makes a Solar Array Regulator (SAR) for Low-Earth-Orbit satellite have different small signal characteristic. Therefore, an Average-Current-Mode (ACM) controller cannot control the BUCK-BOOST type SAR which operates in a current region of the solar array. In this paper, we present the Pseudo-Continuous Current Mode (PCCM) BUCK-BOOST Type SAR which can be controller by the ACM Controller. We explain the circuit operation of the PCCM BUCK-BOOST Type SAR, derive its small signal transfer function and design ACM Controller. Finally, we verify the ACM control of the PCCM BUCK-BOOST Type SAR by using a simulation.
Keywords
DC-DC Power Converters; Solar Array Regulator; PCCM; ACM;
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  • Reference
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