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Interconnection Strategies of Point Absorber Type Wave Energy Converters and Rectifier Units
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.ORCID iD: 0000-0001-9599-9811
Univ Politecn Marche, Dept Informat Engn, Ancona, Italy.
2018 (English)In: 18th International Conference On Harmonics And Quality Of Power (ICHQP 2018), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

Direct-driven point absorber type tubular wave energy converters, reflect the random nature of wave energy input to its output voltage waveform. The better conditions in the generator output stage are the first step that allows the reduction in the need of complicated power conversion system. This work presents the preliminary analysis and comparison of two important interconnection strategies of WEC-rectifier units. Two different interconnection strategies are considered based on how they build up the DC-link, i. e. parallel (wellknown and used by many researchers in wave area) and cascaded (less considered) configuration of WEC-rectifier units. Conventional two-level AC/DC/AC power conversion system is used in both cases. Matlab/Simulink based system simulation is used to compare the different interconnection strategies. Various results are presented and discussed, together with the voltage ripple calculations of the DC-link voltage and output phase voltage and current, being it important for the sizing and the cost of the system.

Place, publisher, year, edition, pages
IEEE , 2018.
Series
International Conference on Harmonics and Quality of Power, ISSN 2164-0610
Keywords [en]
Wave energy converter, Interconnection strategies, Cascaded interconnection, DC-link voltage, DC/DC boost control, Passive rectifier
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-366397ISI: 000444771900119ISBN: 978-1-5386-0517-2 (electronic)OAI: oai:DiVA.org:uu-366397DiVA, id: diva2:1264707
Conference
18th IEEE International Conference on Harmonics and Quality of Power (ICHQP), MAY 13-16, 2018, Ljubljana, SLOVENIA
Funder
Swedish Energy AgencyAvailable from: 2018-11-21 Created: 2018-11-21 Last updated: 2018-11-21Bibliographically approved

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Loncarski, JelenaElamalayil Soman, Deepak

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