Testing of three-phase equipment under voltage sags
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
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Título
Testing of three-phase equipment under voltage sagsAutoría
Fecha de publicación
2015-04xmlui.dri2xhtml.METS-1.0.item-edition
preprintEditor
Institution of Engineering and Technology (IET)ISSN
1751-8660Cita bibliográfica
ROLÁN, Alejandro, et al. Testing of three-phase equipment under voltage sags. Electric Power Applications, IET, 2015, vol. 9, no 4, p. 287-296.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7088712&tag=1Palabras clave / Materias
Resumen
This paper provides insight into the testing of three-phase equipment exposed to voltage sags caused by faults. The voltage sag recovers at the fault-current zeros, leading to a `discrete' voltage recovery, that is, ... [+]
This paper provides insight into the testing of three-phase equipment exposed to voltage sags caused by faults. The voltage sag recovers at the fault-current zeros, leading to a `discrete' voltage recovery, that is, the fault is cleared in different steps. In the literature, the most widespread classification divides `discrete' sags into 14 types. The authors study shows that it is generally sufficient to consider only five sag types for three-phase equipment, here called `time-invariant (TI)' equipment. As the remaining nine sag types cause identical equipment behaviour in Park or Ku variables, the number of laboratory tests (or of extensive simulations) on equipment under sags is reduced by a ratio of 14/5. The study is validated by simulation of a three-phase induction generator and a three-phase inverter, which are `TI', and a three-phase diode bridge rectifier, which is not `TI'. Both analytical study and simulation results are validated by testing a three-phase induction motor and a three-phase diode bridge rectifier. [-]
Publicado en
Electric Power Applications, IET, 2015, vol. 9, no 4Derechos de acceso
info:eu-repo/semantics/openAccess
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