{"id":{"repo_id":"utc","oai_identifier":"oai:scholar.utc.edu:theses-1326"},"canonical_url":"https://search.dev.ndltd.org/etd/utc/oai:scholar.utc.edu:theses-1326","repository":{"repo_id":"utc","name":"University of Tennessee - Chattanooga","base_url":"https://scholar.utc.edu/do/oai/"},"display":{"title":"Hardware implementation of an automatic adaptive centralized under frequency load shedding","abstract":"Due to the shortcomings of the conventional Under Frequency Load Shedding UFLS, most researches develop an adaptive UFLS schemes. With the aid of new technology hardware that enables the implementation of Wide Area Monitoring Protection and Control (WAMPC) application, this gives the opportunity for using industrial grade hardware to implement, evaluate these schemes and, therefore, to validate the recent research findings for industrial use. This study implements a centralized adaptive UFLS algorithm using industry grade hardware such as Phasor Measurement Units (PMUs), Synchrophasor Vector Processor (SVP) that resembles real time system operation. The study examines disturbance effects on the frequency at different disturbance locations. Each time the algorithm decisions are able to restore system frequency to a safe level and improve voltage level at the load buses. Besides, the algorithm is able to distribute the amount of power to be shed differently with the disturbance locations.","abstract_html":"Due to the shortcomings of the conventional Under Frequency Load Shedding UFLS, most researches develop an adaptive UFLS schemes. With the aid of new technology hardware that enables the implementation of Wide Area Monitoring Protection and Control (WAMPC) application, this gives the opportunity for using industrial grade hardware to implement, evaluate these schemes and, therefore, to validate the recent research findings for industrial use. This study implements a centralized adaptive UFLS algorithm using industry grade hardware such as Phasor Measurement Units (PMUs), Synchrophasor Vector Processor (SVP) that resembles real time system operation. The study examines disturbance effects on the frequency at different disturbance locations. Each time the algorithm decisions are able to restore system frequency to a safe level and improve voltage level at the load buses. Besides, the algorithm is able to distribute the amount of power to be shed differently with the disturbance locations.","abstract_has_math":false,"creators":["Abd Elwahid, Sarra"],"institution":"University of Tennessee at Chattanooga","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Eltom, Ahmed H.","Kobet, Gary; Ofoli, Abdul","College of Engineering and Computer Science"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-07-24T05:46:11Z","subjects":["Electric power systems","Electric power distribution"],"languages":["English","eng"],"rights":[],"rights_urls":["https://rightsstatements.org/page/InC/1.0/?language=en"],"identifier_entries":[]},"links":{"outbound_url":"https://scholar.utc.edu/theses/186","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eltom, Ahmed H.","Kobet, Gary; Ofoli, Abdul","College of Engineering and Computer Science"]},{"key":"dc:creator","label":"Author","values":["Abd Elwahid, Sarra"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-08-01T07:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["University of Tennessee at Chattanooga","Chattanooga (Tenn.)"]},{"key":"dc:relation","label":"Dc Relation","values":["Masters Theses and Doctoral Dissertations"]},{"key":"dc:type","label":"Dc Type","values":["Masters theses","Text"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Electric power systems","Electric power distribution"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["https://rightsstatements.org/page/InC/1.0/?language=en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholar.utc.edu/theses/186"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Dept. of Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."]},{"key":"dc:description.abstract","label":"Abstract","values":["Due to the shortcomings of the conventional Under Frequency Load Shedding UFLS, most researches develop an adaptive UFLS schemes. With the aid of new technology hardware that enables the implementation of Wide Area Monitoring Protection and Control (WAMPC) application, this gives the opportunity for using industrial grade hardware to implement, evaluate these schemes and, therefore, to validate the recent research findings for industrial use. This study implements a centralized adaptive UFLS algorithm using industry grade hardware such as Phasor Measurement Units (PMUs), Synchrophasor Vector Processor (SVP) that resembles real time system operation. The study examines disturbance effects on the frequency at different disturbance locations. Each time the algorithm decisions are able to restore system frequency to a safe level and improve voltage level at the load buses. Besides, the algorithm is able to distribute the amount of power to be shed differently with the disturbance locations."]},{"key":"dc:title","label":"Title","values":["Hardware implementation of an automatic adaptive centralized under frequency load shedding"]}]}],"canonical_facts":{"dc:contributor":["Eltom, Ahmed H.","Kobet, Gary; Ofoli, Abdul","College of Engineering and Computer Science"],"dc:creator":["Abd Elwahid, Sarra"],"dc:date":["2013-08-01T07:00:00Z"],"dc:description":["Dept. of Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."],"dc:description.abstract":["Due to the shortcomings of the conventional Under Frequency Load Shedding UFLS, most researches develop an adaptive UFLS schemes. With the aid of new technology hardware that enables the implementation of Wide Area Monitoring Protection and Control (WAMPC) application, this gives the opportunity for using industrial grade hardware to implement, evaluate these schemes and, therefore, to validate the recent research findings for industrial use. This study implements a centralized adaptive UFLS algorithm using industry grade hardware such as Phasor Measurement Units (PMUs), Synchrophasor Vector Processor (SVP) that resembles real time system operation. The study examines disturbance effects on the frequency at different disturbance locations. Each time the algorithm decisions are able to restore system frequency to a safe level and improve voltage level at the load buses. 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