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Lyapunov stability-based wide area control systems for excitation boosters in synchronous generators

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IIT-18-105A.pdf (1.736Mb)
Fecha
2019-01-01
Autor
Díez Maroto, Luis
Renedo Anglada, Javier
Rouco Rodríguez, Luis
Fernández Bernal, Fidel
Estado
info:eu-repo/semantics/publishedVersion
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Resumen
 
 
Excitation Boosters (EB) are aimed to improve Fault Ride Through (FRT) capability of synchronous generators equipped with bus fed static excitation systems by means of adding a supplementary voltage or current source to the rectifier. However, this paper shows that EBs governed by local On-Off controls may result in adverse effects in case of remote faults from generators that may occur in multi-machine systems. To sort this problem out, a novel EB Wide Area Control System (WACS) that modulates the EB voltage using the generator speed deviation with respect to the speed of the Center Of Inertia (COI) is proposed. The speed of the COI is obtained using a Wide Area Measuring System (WAMS), whereas the control laws are deduced from the Lyapunov stability theory. Results show that transient stability of multi-machine systems can be enhanced using EB WACS.
 
URI
https:doi.org10.1109TPWRS.2018.2865970
Lyapunov stability-based wide area control systems for excitation boosters in synchronous generators
Tipo de Actividad
Artículos en revistas
ISSN
0885-8950
Materias/ categorías / ODS
Instituto de Investigación Tecnológica (IIT)
Palabras Clave

Excitation Booster, Bus Fed Static Excitation System, Fault Ride Through Capability, Grid Codes, Transient Stability, Ultracapacitor, WAMS.
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Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
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