Bidirectional converter for a stirling energy system

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dc.contributor.advisorBeukes, H. J.
dc.contributor.authorRedecker, H. H. (Hans Henning)
dc.contributor.otherUniversity of Stellenbosch. Faculty of Engineering. Dept. of Electrical and Electronic Engineering.
dc.date.accessioned2011-09-20T09:49:22Z
dc.date.available2011-09-20T09:49:22Z
dc.date.issued2004-12
dc.descriptionThesis (MScIng)--University of Stellenbosch, 2004.en_ZA
dc.description.abstractENGLISH ABSTRACT: This thesis discusses a 23 kW three-phase AC bus system that is utilized together with the “Stirling Energy System (SES) Integrated Solar Dish-Stirling Module” to function as a mini-grid for off-grid locations. The system is designed to supply power to 27 rural households. This three-phase AC bus system includes a bidirectional 4-wire PWM converter and a battery bank for energy storage. The simulations and results presented show that the system can function as a rectifier and as an inverter. The system operates as an inverter when the SES starts up and when different AC loads are connected to the AC bus. The unit functions as a rectifier when the battery bank is charged. The design was implemented successfully in a practical system and measurements revealed that the system functioned as a standalone unit.en_ZA
dc.description.abstractAFRIKAANSE OPSOMMING: Hierdie tesis bespreek ‘n 23 kW drie-fase vier-draad WS bus stelsel wat saam met die “Stirling Energy System (SES) Integrated Solar Dish-Stirling Module” gebruik word om as ‘n alleenstaande stelsel in ’n plattelandse omgewing te laat funksioneer. Die sisteem is ontwerp om vir 27 plattelandse huise drywing te lewer. Hierdie stelsel behels ‘n drie-fase GS na WS omsetter, saam met loodsuur batterye as energiestoor. Die simulasies en resultate wat gegee word, dui aan dat die omsetter as ‘n wisselrigter en ook as ‘n gelykrigter kan werk. Die stelsel funksioneer as ‘n wisselrigter as die SES aanskakel, en as ekstra laste op die WS bus gekoppel word. Die sisteem funksioneer as ‘n gelykrigter as die batterye gelaai word. Die ontwerp is suksesvol in ‘n praktiese stelsel geimplimenteer wat as ‘n alleenstaande stelsel funksioneer.af
dc.format.extentxiv, 174 leaves : ill.
dc.identifier.urihttp://hdl.handle.net/10019.1/16415
dc.language.isoen_ZAen_ZA
dc.publisherStellenbosch : University of Stellenbosch
dc.rights.holderUniversity of Stellenbosch
dc.subjectPower electronicsen_ZA
dc.subjectElectric current convertersen_ZA
dc.subjectRenewable energy sourcesen_ZA
dc.subjectEnergy storageen_ZA
dc.subjectTheses -- Electrical engineeringen_ZA
dc.subjectDissertations -- Electrical engineeringen_ZA
dc.titleBidirectional converter for a stirling energy systemen_ZA
dc.typeThesisen_ZA
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