Operation, control, and simulation of modular multilevel converters with embedded energy storage

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dc.contributor.authorHerath Mudiyanselage, Nuwan Madushanka Herath
dc.contributor.examiningcommitteePathirana, Vajira (Electrical and Computer Engineering) Dow, Karen (Civil Engineering)en_US
dc.contributor.supervisorFilizadeh, Shaahin (Electrical and Computer Engineering)en_US
dc.date.accessioned2019-05-16T20:20:25Z
dc.date.available2019-05-16T20:20:25Z
dc.date.issued2019-05-10en_US
dc.date.submitted2019-05-10T15:54:13Zen
dc.degree.disciplineElectrical and Computer Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractModular Multilevel Converters (MMCs) with storage have become popular to interconnect energy storage into power systems. The complexity of the converter makes the EMT simulation inefficient. This thesis presents a detailed equivalent model (DEM), which can be used to efficiently and accurately simulate MMCs with storage accurately. Operation and control methods of these converters are studied. The developed DEM is validated against a detailed switching model (DSM) implementation of a single phase MMC with storage. An application case of the MMC with storage in a microgrid is also studied for simulation efficiency and the impact of storage on a network. A prototype is used to validate simulation results developed from the DEM. The thesis shows that the DEM can produce accurate simulation results for MMCs with storage. Reduction of computing time achieved by the DEM is validated. The waveforms obtained from a prototype, further validates the accuracy of the DEM.en_US
dc.description.noteMay 2019en_US
dc.identifier.urihttp://hdl.handle.net/1993/33906
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectModular multilevel convertersen_US
dc.subjectElectro magnetic transients simulationen_US
dc.subjectEnergy storageen_US
dc.subjectPrototypeen_US
dc.titleOperation, control, and simulation of modular multilevel converters with embedded energy storageen_US
dc.typemaster thesisen_US
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