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Auxiliary power supply based on a modular ISOP Flyback configuration with very high input voltage

dc.contributor.authorRodríguez Alonso, Alberto 
dc.contributor.authorRodríguez Rogina, María 
dc.contributor.authorSaeed Hazkial Gerges, Mariam 
dc.contributor.authorGonzález Lamar, Diego 
dc.contributor.authorArias Pérez de Azpeitia, Manuel 
dc.contributor.authorLópez Medina, Mario 
dc.contributor.authorBriz del Blanco, Fernando
dc.description.abstractThis paper proposes a Flyback-based Input-Series Output-Parallel (ISOP) Auxiliary Power Supply (APS), intended to feed the control system of the cells of a Solid-State Transformer (SST). The SST topology is based on a modular Multiport Multilevel Converter (MMC). Energization of the cells auxiliary circuitry is not trivial due to the high voltages involved (tens of kV for the electric power distribution system), most of the commercially available control and driving circuitry not being usable due to the isolation requirements. It is possible to energize the control circuitry from an APS, connected to the cell capacitor voltage. However, in the SST under consideration, cells target DC voltage is in the range of 1.5kV to 2.5kV. Design of an APS capable of feeding the auxiliary circuitry from such high voltage and the required isolation is not trivial. A modular APS using autonomous Flyback converters in Continuous Conduction Mode (CCM) and based on commercial AC adapters is proposed in this paper. The solution is scalable and therefore applicable to cells with larger DC voltagesspa
dc.description.sponsorshipGovernment of Spain through projects DPI2013-47176-C2-2-R, MINECO- 15-DPI2014-56358-JIN and the grant FPI BES-2014-070785, through funding from the Government of Asturias through the project FC-15-GRUPIN14-143 and FEDER funds, and thanks to the project of the European Commission “Silicon Carbide Power Electronics Technology for Energy Efficient Devices”, SPEED, FP7 Large Project (NMP3-LA-2013-604057)
dc.relation.ispartof2016 IEEE Energy Conversion Congress and Exposition (ECCE)spa
dc.rights© 2016 IEEE
dc.subjectDC/DC converterspa
dc.titleAuxiliary power supply based on a modular ISOP Flyback configuration with very high input voltageeng
dc.relation.projectIDFPI BES-2014-070785
dc.relation.projectIDFP7 Large Project (NMP3-LA-2013-604057)

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