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Design and construction of a bidirectional DC/DC converter
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
2019 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A four quadrant general single-phase bi-directional DC/DC converter was designed and constructed for high effect systems. The target application for the DC/DC converter was to be used to transfer energy between different energy storages, a miniature DC power grid and the high voltage AC power city grid. The converter is capable of step-up and step-down operations in both directions i.e. it is bi-directional at varying voltage levels.

Different DC/DC topologies were investigated, and thereafter simulations were performed in LTspice and Simulink to ensure its capabilities and functionalities. The result of the simulations was a two layered PI-regulator, controlling both the external DC-grid voltage and inductor current through the converter. Once a suitable topology and control strategy was found, a suitable power transistor investigated and a PCB driver card were developed with KiCad. The final converter is capable to seamlessly change between its four modes and controlling voltages up to 1200 V and currents up to 200 A.

Place, publisher, year, edition, pages
2019. , p. 76
Series
UPTEC E, ISSN 1654-7616 ; 19009
Keywords [en]
Converter, DCDC, Energy storage, Single-phase
Keywords [sv]
Omvandlare, DCDC, Energilager, Single-phase
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-385240OAI: oai:DiVA.org:uu-385240DiVA, id: diva2:1323585
Educational program
Master Programme in Electrical Engineering
Supervisors
Examiners
Available from: 2019-06-14 Created: 2019-06-12 Last updated: 2019-06-14Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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