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		<doi>10.5028/jatm.v12.1158</doi>
		<issn>1984-9648</issn>
		<citationkey>MagalhãesMore:2020:SpPoTo</citationkey>
		<title>Space power topology selection and its system level modeling and control</title>
		<year>2020</year>
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		<author>Magalhães, Renato Oliveira de,</author>
		<author>Moreira, Herbi Júnior Pereira,</author>
		<resumeid>8JMKD3MGP5W/3C9JJ5H</resumeid>
		<orcid>0000-0003-2989-2156</orcid>
		<orcid>0000-0003-4313-2372</orcid>
		<group>DIDEA-CGETE-INPE-MCTIC-GOV-BR</group>
		<group>CSE-ETES-SESPG-INPE-MCTIC-GOV-BR</group>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>renato.magalhaes@inpe.br</electronicmailaddress>
		<electronicmailaddress>herbi.moreira@inpe.br</electronicmailaddress>
		<journal>Journal of Aerospace Technology and Management</journal>
		<volume>12</volume>
		<number>1</number>
		<pages>e2720</pages>
		<secondarymark>B2_PLANEJAMENTO_URBANO_E_REGIONAL_/_DEMOGRAFIA B3_INTERDISCIPLINAR B4_GEOCIÊNCIAS B4_ENGENHARIAS_II B4_CIÊNCIAS_AMBIENTAIS B5_ENGENHARIAS_IV B5_ENGENHARIAS_III B5_CIÊNCIA_DA_COMPUTAÇÃO C_ASTRONOMIA_/_FÍSICA</secondarymark>
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		<keywords>Switching power supply, Energy bonds, Satellite power supply, Fully regulated topology, Bidirectional DC/DC converter.</keywords>
		<abstract>This article analyses the main candidate topologies for power supply for low earth orbit satellite applications, which are considered from the standpoint of energy continuity and power balance. The system components are dealt with as energy port elements through which energy is exchanged along the system. A comparative study and selection of the optimal topology were carried out, according to a criteria of mass/volume reduction and system efficiency improvement. The comparison was made between a three-domain controlled (fully regulated) and a two-domain controlled (also called hybrid) bus topology. After  selection, a description of the design of the system control was given, considering the battery charge regulator (BCR) and battery discharge regulator (BDR) as a unified battery power conditioning equipment integrated into a single bidirectional converter. The system design was validated with a Simulink based model with the selected topology being controlled in closed loop to provide a regulated 28 V primary power bus. Finally, the article presents the current prototyping under development.</abstract>
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		<language>en</language>
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