Voltage and Reactive Power Control in Islanded Microgrids

dc.contributor.advisorFarag, Hany E. Z.
dc.creatorEl-Taweel, Nader Ashraf Abd El-Fattah
dc.date.accessioned2017-07-27T13:31:10Z
dc.date.available2017-07-27T13:31:10Z
dc.date.copyright2016-06-23
dc.date.issued2017-07-27
dc.date.updated2017-07-27T13:31:10Z
dc.degree.disciplineComputer Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractPrevious studies put on view lots of advantages and concerns for islanded microgrids (IMGs), whether it is initiated for emergency, intentionally planned or permanent island system purposes. From the concerns that have not been addressed yet, such as: 1) The ability of the distributed generation (DG) units to maintain equal reactive power sharing in a distribution system; 2) The ability of the DG units to maintain acceptable voltage boundary in the entire IMG; 3) The functionality of the existing voltage and reactive power (Volt/Var) DG, this thesis analyzes the complexity of voltage regulations in droop-controlled IMGs. A new multi-agent algorithm is proposed to satisfy the reactive power sharing and the voltage regulation requirements of IMGs. Also, the operation conflicts between DG units and Volt/Var controllers, such as shunt capacitors (SCs) and load-ratio control transformer (LRT) during the IMG mode of operation, are investigated in this thesis. Further, a new local control scheme for SCs and LRTs has been proposed to mitigate their operational challenges in IMGs.
dc.identifier.urihttp://hdl.handle.net/10315/33494
dc.language.isoen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectElectrical engineering
dc.subject.keywordsAsynchronous Weak Commitment
dc.subject.keywordsDistributed Constraint Satisfaction
dc.subject.keywordsDistributed Generation
dc.subject.keywordsDistribution System
dc.subject.keywordsDroop Control
dc.subject.keywordsIslanded Microgrids
dc.subject.keywordsLoad-ratio Control Transformer
dc.subject.keywordsMulti-agent
dc.subject.keywordsReactive Power Sharing
dc.subject.keywordsShunt Capacitor
dc.subject.keywordsVoltage Regulation
dc.subject.keywordsVolt/Var Control
dc.titleVoltage and Reactive Power Control in Islanded Microgrids
dc.typeElectronic Thesis or Dissertation

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