DC Bus Voltage Regulator for Renewable Energy Based Microgrid Application

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dc.contributor.authorMwinyiwiwa, Bakari M. M.
dc.date.accessioned2016-02-10T14:48:01Z
dc.date.available2016-02-10T14:48:01Z
dc.date.issued2013-12
dc.description.abstractRenewable Energy based microgrids are being considered to provide electricity for the expanding energy demand in the grid distribution network and grid isolated areas. The technical challenges associated with the operation and controls are immense. Electricity generation by Renewable Energy Sources is of stochastic nature such that there is a demand for regulation of voltage output in order to satisfy the standard loads’ requirements. In a renewable energy based microgrid, the energy sources give stochastically variable magnitude AC or DC voltages. AC voltage regulation of micro and mini sources pose practical challenges as well as unbearable costs. It is therefore practically and economically viable to convert the voltage outputs from stochastic AC and DC voltage sources to constant DC voltage to satisfy various DC loads including inverters which ultimately feed AC loads. This paper presents results obtained from SEPIC converter based DC bus voltage regulator as a case study for renewable energy microgrid application. Real-Time Simulation results show that upon appropriate choice of controller parameters for control of the SEPIC converter, the output DC bus voltage can be kept constant regardless of wide range of voltage variations of the source. This feature is particularly important in the situation that multiple renewable sources are to be integrated to supply a microgrid under main grid integration or isolated modes of operation.en_US
dc.description.sponsorshipSida from Swedenen_US
dc.identifier.citationBakari M. M. Mwinyiwiwa “DC Bus Voltage Regulator for Renewable Energy Based Microgrid Application”, World Academy of Science, Engineering and Technology, International Journal of Electrical Science and Engineering Vol:7 No:12, 2013, pp. 486-491.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/339
dc.language.isoenen_US
dc.publisherWorld Academy of Science, Engineering and Technologyen_US
dc.subjectDC Voltage Regulatoren_US
dc.subjectmicrogriden_US
dc.subjectmultisourceen_US
dc.subjectRenewable Energyen_US
dc.subjectSEPIC Converteren_US
dc.titleDC Bus Voltage Regulator for Renewable Energy Based Microgrid Applicationen_US
dc.typeJournal Articleen_US
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