Soft-switched DC-to-DC converters for power conditioning of electrolyser in a renewable energy system

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dc.contributor.authorGautam, Deepak
dc.contributor.supervisorBhat, Ashoka Krishna Sarpangal
dc.date.accessioned2010-03-10T18:35:20Z
dc.date.available2010-03-10T18:35:20Z
dc.date.copyright2006en
dc.date.issued2010-03-10T18:35:20Z
dc.degree.departmentDepartment of Electrical and Computer Engineering
dc.degree.levelMaster of Applied Science M.A.Sc.en
dc.description.abstractAn Electrolyser is a part of a renewable energy system (RES) and generates hydrogen from water electrolysis that is used in fuel cells. A dc-to-dc converter is required to couple the Electrolyser to the system DC bus. This thesis presents an extensive comparison of three soft-switched high-frequency transformer isolated dc-to-dc converters for this application. It is shown that LCL-type series resonant converter (SRC) with capacitive output filter is suitable for this application. Due to the wide variation in input voltage and load current, no converter can maintain zero-voltage switching (ZVS) for the complete operating range. To overcome this problem, two new converter configurations are proposed. Proposed Configuration 1 is a two-stage boost-LCL SRC with capacitive output filter and Proposed Configuration 2 is a transient-boost dual half-bridge LCL SRC with capacitive output filter. Operating principle, design, simulation and experimental results of the newly proposed converters are also presented.en
dc.identifier.urihttp://hdl.handle.net/1828/2334
dc.languageEnglisheng
dc.language.isoenen
dc.rightsAvailable to the World Wide Weben
dc.subjectconvertersen
dc.subjectrenewableen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Engineering::Electrical engineeringen
dc.titleSoft-switched DC-to-DC converters for power conditioning of electrolyser in a renewable energy systemen
dc.typeThesisen

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