Nodal Reduced Induction Machine Modeling for EMTP-Type Simulations

This paper presents two new induction machine models with a direct interface to an external power system, for EMTP-type simulations. The models' improved efficiency and their overall superiority over existing formulations are shown by numerical simulations involving different machines. It is sh...

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Bibliographic Details
Published in:IEEE transactions on power systems 2012-08, Vol.27 (3), p.1158-1169
Main Authors: Vilchis-Rodriguez, D. S., Acha, E.
Format: Article
Language:English
Subjects:
Computational modeling
EMTP
Equations
induction machine
Induction machines
Mathematical model
nodal reduction
Numerical models
phase-domain (PD) model
Rotors
Stators
transient simulation
voltage-behind- reactance (VBR) model
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Summary:This paper presents two new induction machine models with a direct interface to an external power system, for EMTP-type simulations. The models' improved efficiency and their overall superiority over existing formulations are shown by numerical simulations involving different machines. It is shown that models that use currents as output variables possess a high degree of numerical accuracy at relatively large time steps making them competitive with a state-of-the-art model that uses the stator currents and rotor fluxes as output variables. The use of a single set of variables is shown to simplify considerably the models' representations, resulting in highly efficient formulations.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2012.2186987