Design and simulation of unified power flow controller with grid storage

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dc.contributor.authorBeaudoin, Christopher
dc.contributor.examiningcommitteeAnnakkage, Udaya (Electrical and Computer Engineering) Kordi, Behzad (Electrical and Computer Engineering)en_US
dc.contributor.supervisorFilizadeh, Shaahin (Electrical and Computer Engineering)en_US
dc.date.accessioned2021-08-27T19:46:39Z
dc.date.available2021-08-27T19:46:39Z
dc.date.copyright2021-08-26
dc.date.issued2021en_US
dc.date.submitted2021-08-26T16:54:22Zen_US
dc.degree.disciplineElectrical and Computer Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractPower flow between two transmission systems across an uncontrolled interface can be problematic if there is unequal sharing between the tie lines. System configuration changes such as generation dispatch, or out of service elements can cause thermal overloads. In addition, some weaker areas of the system which may have insufficient transmission can have difficultly supporting the voltage at buses with high loading particularly after the loss of one element. This thesis presents a real transmission system which has two problems: a thermal limitation caused by unequal tie-sharing across an uncontrolled interface, and a post-fault voltage stability concern. Various potential solutions are analyzed and shown to address one or the other of these two problems; none of which were capable of solving both. A Unified Power Flow Controller (UPFC) is proposed which can effectively address both problems and can provide additional benefit in the form of a grid storage interface. The operational characteristics of a UPFC are analyzed and used to develop an electrical model and control system topology. The model with its control system is implemented in PSCAD. The UPFC is proven to be capable of effectively addressing the thermal limitation and voltage stability issues of the system. Further, a battery is added to the UPFC to provide grid energy storage. Cost saving measures through controller design are also proposed and implemented. This work demonstrates that a UPFC can be an effective solution to typical problems (such as thermal and voltage constraints) faced by a transmission system. A UPFC with grid storage can also provide an alternative to building costly transmission lines or generation by enhancing reliability, reducing demand on generation cause by system peaks, smoothing intermittent generation, etc.en_US
dc.description.noteOctober 2021en_US
dc.identifier.urihttp://hdl.handle.net/1993/35848
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectUPFCen_US
dc.subjectUnified Power Flow Controlleren_US
dc.subjectgrid storageen_US
dc.subjectbatteryen_US
dc.subjectdesignen_US
dc.subjectsimulationen_US
dc.subjectPSCADen_US
dc.subjectsecurity analysisen_US
dc.titleDesign and simulation of unified power flow controller with grid storageen_US
dc.typemaster thesisen_US
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