{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/6430"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/6430","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Simulação de falta no enrolamento de campo de geradores síncronos pelo método dos elementos finitos","abstract":"This work presents a study about rotor interturn short detection – also called as field coils – of synchronous generators through simulation of a typical machine of thermoelectrical power plants moved by heavy duty stationary turbines (not aeroderivative). It is applied a known detection technique, the air gap magnetic flux variation analysis, adapted to a computational simulation model. The simulation is performed by the finite elements method in the software Maxwell supported by its electrical machines modelling package RMXprt, both from Ansys property. In the study, some fault models are proposed, to observe the effect of those faults in the operational parameters of the machine. In the biggest part of the cases, these effects are hard to be observed during the operational routine, it will be analyzed the air gap magnetic flux variation and the machine’s output parameters in many distinct scenarios.","abstract_html":"This work presents a study about rotor interturn short detection – also called as field coils – of synchronous generators through simulation of a typical machine of thermoelectrical power plants moved by heavy duty stationary turbines (not aeroderivative). It is applied a known detection technique, the air gap magnetic flux variation analysis, adapted to a computational simulation model. The simulation is performed by the finite elements method in the software Maxwell supported by its electrical machines modelling package RMXprt, both from Ansys property. In the study, some fault models are proposed, to observe the effect of those faults in the operational parameters of the machine. In the biggest part of the cases, these effects are hard to be observed during the operational routine, it will be analyzed the air gap magnetic flux variation and the machine’s output parameters in many distinct scenarios.","abstract_has_math":false,"creators":["Schmidt, André da Cunha"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Ferreira, Antonio Carlos"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-03","date_published":"2017-03","updated_at":"2026-07-24T01:16:21Z","subjects":["Engenharia elétrica","Gerador síncrono","Sistema interligado nacional"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/6430","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Ferreira, Antonio Carlos"]},{"key":"dc:creator","label":"Author","values":["Schmidt, André da Cunha"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-02-08T15:35:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:03:26Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-03"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engenharia elétrica","Gerador síncrono","Sistema interligado nacional"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/6430"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This work presents a study about rotor interturn short detection – also called as field coils – of synchronous generators through simulation of a typical machine of thermoelectrical power plants moved by heavy duty stationary turbines (not aeroderivative). It is applied a known detection technique, the air gap magnetic flux variation analysis, adapted to a computational simulation model. The simulation is performed by the finite elements method in the software Maxwell supported by its electrical machines modelling package RMXprt, both from Ansys property. In the study, some fault models are proposed, to observe the effect of those faults in the operational parameters of the machine. In the biggest part of the cases, these effects are hard to be observed during the operational routine, it will be analyzed the air gap magnetic flux variation and the machine’s output parameters in many distinct scenarios."]},{"key":"dc:title","label":"Title","values":["Simulação de falta no enrolamento de campo de geradores síncronos pelo método dos elementos finitos"]}]}],"canonical_facts":{"dc:contributor.advisor":["Ferreira, Antonio Carlos"],"dc:creator":["Schmidt, André da Cunha"],"dc:date.accessioned":["2019-02-08T15:35:55Z"],"dc:date.available":["2026-05-16T03:03:26Z"],"dc:date.issued":["2017-03"],"dc:description.abstract":["This work presents a study about rotor interturn short detection – also called as field coils – of synchronous generators through simulation of a typical machine of thermoelectrical power plants moved by heavy duty stationary turbines (not aeroderivative). It is applied a known detection technique, the air gap magnetic flux variation analysis, adapted to a computational simulation model. The simulation is performed by the finite elements method in the software Maxwell supported by its electrical machines modelling package RMXprt, both from Ansys property. In the study, some fault models are proposed, to observe the effect of those faults in the operational parameters of the machine. In the biggest part of the cases, these effects are hard to be observed during the operational routine, it will be analyzed the air gap magnetic flux variation and the machine’s output parameters in many distinct scenarios."],"dc:identifier.uri":["http://hdl.handle.net/11422/6430"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Engenharia elétrica","Gerador síncrono","Sistema interligado nacional"],"dc:title":["Simulação de falta no enrolamento de campo de geradores síncronos pelo método dos elementos finitos"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:21Z"}