Consideration of Multi-Phase Criterion in the Differential Protection Algorithm for High-Impedance Grounded Synchronous Generators

Blánquez Delgado, Francisco; Rebollo López, Emilio; Granizo Arrabe, Ricardo y Platero Gaona, Carlos Antonio (2013). Consideration of Multi-Phase Criterion in the Differential Protection Algorithm for High-Impedance Grounded Synchronous Generators. En: "12th International Conference on Environment and Electrical Engineering. EEEIC 2013", 05/05/2013 - 08/05/2013, Wroclaw, Poland. ISBN 978-1-4673-3059-6. pp. 135-139.

Descripción

Título: Consideration of Multi-Phase Criterion in the Differential Protection Algorithm for High-Impedance Grounded Synchronous Generators
Autor/es:
  • Blánquez Delgado, Francisco
  • Rebollo López, Emilio
  • Granizo Arrabe, Ricardo
  • Platero Gaona, Carlos Antonio
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 12th International Conference on Environment and Electrical Engineering. EEEIC 2013
Fechas del Evento: 05/05/2013 - 08/05/2013
Lugar del Evento: Wroclaw, Poland
Título del Libro: 12th International Conference on Environment and Electrical Engineering. EEEIC 2013
Fecha: 2013
ISBN: 978-1-4673-3059-6
Materias:
Palabras Clave Informales: Generator protection, stator differential protection, current transformers, saturation detection
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Ingeniería Eléctrica [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The generator differential protection is one of the most important electrical protections of synchronous generator stator windings. Its operation principle is based on the comparison of the input current and output current at each phase winding. Unwanted trip commands are usually caused by CT saturation, wrong CT selection, or the fact that they may come from different manufacturers. In generators grounded through high impedance, only phase-to-phase or three-phase faults can be detected by the differential protection. This kind of fault causes differential current to flow in, at least, two phases of the winding. Several cases of unwanted trip commands caused by the appearance of differential current in only one phase of the generator have been reported. In this paper multi-phase criterion is proposed for generator differential protection algorithm when applied to high impedance grounded generators.

Más información

ID de Registro: 29670
Identificador DC: http://oa.upm.es/29670/
Identificador OAI: oai:oa.upm.es:29670
URL Oficial: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6549604&tag=1
Depositado por: Memoria Investigacion
Depositado el: 13 May 2015 15:51
Ultima Modificación: 18 May 2015 15:55
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