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Mostrando ítems 31-40 de 841
Detecção das correntes de inrush em sistemas elétricos de potência
(Universidade Federal do PampaUNIPAMPABrasilCampus Alegrete, 2019)
Frequency domain analysis of FCL equipped transmission systems for protection applications
(2004)
This paper presents a method for calculating electromagnetic transient scenarios for transmission systems equipped with fault current limiters (FCL). Transmission systems are represented in the Laplace s-domain and current ...
Frequency domain analysis of FCL equipped transmission systems for protection applications
(2004)
This paper presents a method for calculating electromagnetic transient scenarios for transmission systems equipped with fault current limiters (FCL). Transmission systems are represented in the Laplace s-domain and current ...
Simulação de faltas de alta impedância em sistemas de distribuição de energia elétrica
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Sistemas de EnergiaUTFPR, 2020-08-31)
When a protection system acts as a result of a permanent fault, several consumers will remain without electricity for the time spent locating and restoring the system to its normal and safe operating state. The reliability ...
Guia del empleado para : Cierre y bloqueo ("lockout") de máquinas: control de energías peligrosasGuía del empleado
(Servicio Nacional de Aprendizaje (SENA), 2014)
Análise dos procedimentos, equipamentos e medidas de segurança na manutenção de redes de distribuição em uma companhia de eletricidade
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2013-04-25)
This study originated in concern with accidents in electricity services involving workers of maintenance teams lines and distribution networks of electricity in Curitiba. The aim of this study is to evaluate the procedures, ...
Optimized Allocation of Control and Protective Devices in Electric Distribution Systems
(Taylor & Francis Inc, 2014)
Allocation of protective devices in distribution circuits using nonlinear programming models and genetic algorithms
(Elsevier B.V., 2004-04-01)
The optimized allocation of protective devices in strategic points of the circuit improves the quality of the energy supply and the system reliability index. This paper presents a nonlinear integer programming (NLIP) model ...
Estudo de transformadores de corrente ópticos e seu panorama no Paraná
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia ElétricaUTFPR, 2016-06-13)
Instrument transformers (IT) are used to reduce current or voltage values of the electric power system (EPS) to values which are tolerated by the measurement, control and protection instruments, without changing its nature. ...
Proteção contra sobrecorrentes em redes de distribuição aéreas de 13,8kV: análise do desempenho do sistema atual e propostas para melhorias
(Universidade Federal de Minas GeraisUFMG, 2012-07-16)
The quality and continuity of electricity supply to customers and safety of workers and general population depend on the overcurrent protection studies of distribution networks. The faults severely affect the quality of ...