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A coupled electromagnetic transformer model for the analysis of winding inter-turn short-circuits
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Orientador(es)
Resumo(s)
This paper presents the development and implementation of a coupled electromagnetic transformer model
for the simulation of three-phase power and distribution
transformers affected by the presence of winding inter-turn
short-circuits. Generically, the coupled electromagnetic
transformer model is based on the simultaneous consideration of both magnetic and electric equivalent circuits. To incorporate the internal faults in this model a suitable equivalent
circuit of the faulty winding is proposed. Both simulation and
laboratory tests results are presented in the paper, which
demonstrate the adequacy of the proposed model.
Descrição
Palavras-chave
Máquinas eléctricas Transformadores 621.313 Transformers Coupled electromagnetic model Modelling and simulation
Contexto Educativo
Citação
Record of the IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (IEEE SDEMPED`01). - Grado, 1-3 September 2001. - p. 367-372
Oliveira, L. M. R.; Cardoso, A.J.M.A coupled electromagnetic transformer model for the analysis of winding inter-turn short-circuits, Trabalho apresentado em IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (IEEE SDEMPED'01), In Record of the IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (IEEE SDEMPED'01), Grado, 2001
Oliveira, L. M. R.; Cardoso, A.J.M.A coupled electromagnetic transformer model for the analysis of winding inter-turn short-circuits, Trabalho apresentado em IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (IEEE SDEMPED'01), In Record of the IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (IEEE SDEMPED'01), Grado, 2001