{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/8685"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/8685","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The response of transformers to geomagnetically induced- like currents","abstract":"This dissertation discusses the development and implementation of a rigorously developed protocol for characterizing and testing transformers with GIC-like currents based on their magnetization curve characteristics. The differences between reactive and non-active power in the context of transformers and GICs are investigated thoroughly and their impact on power networks are analysed. The implementation of this protocol in the laboratory and simulation environments has therefore led to a sound characterization of the transformers’ electrical and magnetic response. This developed protocol can also be useful when extended to investigate the response of large power transformers, particularly for the generation of mitigation parameters that are valuable to power utilities..","abstract_html":"This dissertation discusses the development and implementation of a rigorously developed protocol for characterizing and testing transformers with GIC-like currents based on their magnetization curve characteristics. The differences between reactive and non-active power in the context of transformers and GICs are investigated thoroughly and their impact on power networks are analysed. The implementation of this protocol in the laboratory and simulation environments has therefore led to a sound characterization of the transformers’ electrical and magnetic response. This developed protocol can also be useful when extended to investigate the response of large power transformers, particularly for the generation of mitigation parameters that are valuable to power utilities..","abstract_has_math":false,"creators":["Chisepo, Hilary K"],"institution":"Department of Electrical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Gaunt, C Trevor"],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014","date_published":"2014","updated_at":"2026-07-22T22:22:44Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/8685","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Gaunt, C Trevor"]},{"key":"dc:creator","label":"Author","values":["Chisepo, Hilary K"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-10-21T13:39:33Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-10-21T13:39:33Z"]},{"key":"dc:date.issued","label":"Date","values":["2014"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Electrical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/8685"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["This dissertation discusses the development and implementation of a rigorously developed protocol for characterizing and testing transformers with GIC-like currents based on their magnetization curve characteristics. The differences between reactive and non-active power in the context of transformers and GICs are investigated thoroughly and their impact on power networks are analysed. The implementation of this protocol in the laboratory and simulation environments has therefore led to a sound characterization of the transformers’ electrical and magnetic response. This developed protocol can also be useful when extended to investigate the response of large power transformers, particularly for the generation of mitigation parameters that are valuable to power utilities.."]},{"key":"dc:title","label":"Title","values":["The response of transformers to geomagnetically induced- like currents"]}]}],"canonical_facts":{"dc:contributor.advisor":["Gaunt, C Trevor"],"dc:creator":["Chisepo, Hilary K"],"dc:date.accessioned":["2014-10-21T13:39:33Z"],"dc:date.available":["2014-10-21T13:39:33Z"],"dc:date.issued":["2014"],"dc:description":["Includes bibliographical references."],"dc:description.abstract":["This dissertation discusses the development and implementation of a rigorously developed protocol for characterizing and testing transformers with GIC-like currents based on their magnetization curve characteristics. The differences between reactive and non-active power in the context of transformers and GICs are investigated thoroughly and their impact on power networks are analysed. The implementation of this protocol in the laboratory and simulation environments has therefore led to a sound characterization of the transformers’ electrical and magnetic response. This developed protocol can also be useful when extended to investigate the response of large power transformers, particularly for the generation of mitigation parameters that are valuable to power utilities.."],"dc:identifier.uri":["http://hdl.handle.net/11427/8685"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Electrical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The response of transformers to geomagnetically induced- like currents"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:22:44Z"}