Three-phase timing-domain modeling of special transformers in the SABER simulator

This paper presents a general three-phase model for wye/delta-extended transformers for time-domain analysis. Among other features, the modeling includes the nonlinearities of the core and the transformer phase-shifting can be of any value. The model is implemented in the SABER simulator and tested...

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Bibliographic Details
Main Authors: Domingues, E.G., Oliveira, J.C., Delaiba, A.C., Vilaca, A.L.A., Samesima, M.I., Resende, J.W., Macedo, J.R.
Format: Conference Proceeding
Language:English
Subjects:
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Interpolation
Magnetic cores
Polynomials
Power system harmonics
Power system modeling
Power system simulation
Pulse power systems
Saturation magnetization
Transformer cores
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Summary:This paper presents a general three-phase model for wye/delta-extended transformers for time-domain analysis. Among other features, the modeling includes the nonlinearities of the core and the transformer phase-shifting can be of any value. The model is implemented in the SABER simulator and tested in a 24-pulse converter. The corresponding results are presented and special attention is given to harmonic elimination and inrush currents.
DOI:10.1109/ICHQP.1998.760184