{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/6322"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/6322","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Small-signal security assessment considering minimum redispatch","abstract":"This work presents a review of the main concepts related to electromechanical stability of power systems and of characteristics associated to the voltage, transient and small-signal security assessments (VSA, TSA and SSA). The last one is the focus of this research. The development of new tools for small-signal security assessment and their computational implementations in software PacDyn, from Electrical Energy Research Center (CEPEL), are described. A method for determining minimum redispatch for power systems using generation sensitivities (CSBGRES) is proposed. This is an optimization method that considers a desired damping factor for oscillation modes as constraint. The CSBGRES method can be utilized for the determination of small-signal security margins or of corrective measures, aiming at the dynamic behavior improvement of power systems.","abstract_html":"This work presents a review of the main concepts related to electromechanical stability of power systems and of characteristics associated to the voltage, transient and small-signal security assessments (VSA, TSA and SSA). The last one is the focus of this research. The development of new tools for small-signal security assessment and their computational implementations in software PacDyn, from Electrical Energy Research Center (CEPEL), are described. A method for determining minimum redispatch for power systems using generation sensitivities (CSBGRES) is proposed. This is an optimization method that considers a desired damping factor for oscillation modes as constraint. The CSBGRES method can be utilized for the determination of small-signal security margins or of corrective measures, aiming at the dynamic behavior improvement of power systems.","abstract_has_math":false,"creators":["Parreiras, Thiago José Masseran Antunes"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Taranto, Glauco Nery"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-08","date_published":"2017-08","updated_at":"2026-07-24T01:16:21Z","subjects":["Engenharia elétrica","Estabilidade do sistema de potência","Controle de amortecimento de oscilação"],"languages":["eng"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/6322","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Taranto, Glauco Nery"]},{"key":"dc:creator","label":"Author","values":["Parreiras, Thiago José Masseran Antunes"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-01-31T15:50:22Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:01:11Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-08"]},{"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":["Tese"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engenharia elétrica","Estabilidade do sistema de potência","Controle de amortecimento de oscilação"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"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/11422/6322"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This work presents a review of the main concepts related to electromechanical stability of power systems and of characteristics associated to the voltage, transient and small-signal security assessments (VSA, TSA and SSA). The last one is the focus of this research. The development of new tools for small-signal security assessment and their computational implementations in software PacDyn, from Electrical Energy Research Center (CEPEL), are described. A method for determining minimum redispatch for power systems using generation sensitivities (CSBGRES) is proposed. This is an optimization method that considers a desired damping factor for oscillation modes as constraint. 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