Operation of Over-Current Relays During Double-Phase Operation Mode of Power Distribution Systems

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dc.contributor.advisorHooshyar, Ali
dc.creatorHajiseyedolia, Seyedahmad
dc.date.accessioned2018-11-21T13:54:59Z
dc.date.available2018-11-21T13:54:59Z
dc.date.copyright2018-08-16
dc.date.issued2018-11-21
dc.date.updated2018-11-21T13:54:59Z
dc.degree.disciplineComputer Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractPower system reliability is one of the objectives of every electric utility. Statistical analyses of faults in power systems demonstrate that most of the faults are asymmetrical, most commonly, single-phase to ground. Despite conventional breakers, modern breakers are capable of disconnecting the faulted phase(s). Disconnection of the faulted phase(s) increases the reliability of the system. However, a disconnected faulty phase can cause different challenges for distribution system. These challenges for distribution systems adversely affect the operation of protective devices. In this research, the effects of operating the distribution system with a disconnected phase double-phase operation mode (DPOM)on operation of over-current relays are analyzed. A new method for setting the relays properly during DPOM is presented. In this method, two type of settings, called "prompt settings" and "optimum settings" are presented. The methodology evaluation results prove that the method is capable of re-coordinating the relays during DPOM.
dc.identifier.urihttp://hdl.handle.net/10315/35575
dc.language.isoen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectElectrical engineering
dc.subject.keywordsOvercurrent relaying
dc.subject.keywordsPhase relays
dc.subject.keywordsEarth fault relays
dc.subject.keywordsDouble-phase operation
dc.subject.keywordsOpened pole
dc.subject.keywordsDistribution system
dc.subject.keywordsDistribution system protection
dc.subject.keywordsSingle-pole breaker
dc.subject.keywordsPower system reliability
dc.titleOperation of Over-Current Relays During Double-Phase Operation Mode of Power Distribution Systems
dc.typeElectronic Thesis or Dissertation

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