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Active power control strategies for transient stability enhancement of ACDC grids with VSC-HVDC multi-terminal systems

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IIT-15-067A.pdf (2.383Mb)
Fecha
2016-11-01
Autor
Renedo Anglada, Javier
García Cerrada, Aurelio
Rouco Rodríguez, Luis
Estado
info:eu-repo/semantics/publishedVersion
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Resumen
 
 
Multi-terminal High Voltage Direct Current (HVDC) using Voltage Source Converters (VSC-HVDC) is a promising technology which provides flexible control of active and reactive power and facilitates remote renewable energy integration, above all using long cables. This paper analyses an active power control strategy for multi-terminal VSC-HVDC systems tailored to enhance transient stability of hybrid ACDC grids. The proposed strategy controls each VSC using frequency measurements of all terminals. Its performance is compared to a strategy in which each VSC is controlled using only local frequency measurements of the AC side, proving that the proposed strategy shows better performance, even taking into account reasonable communication delays. The paper also shows that the proposed strategy generally gives similar results to those obtained when each VSC is controlled using the speed of the centre of inertia (COI). The speed of the COI is a more comprehensive and richer figure than the one proposed in this paper but it is also much more complex to obtain. Simulation results with PSSE of a test system have been used to illustrate the comparisons and the main contributions of the proposal.
 
URI
https:doi.org10.1109TPWRS.2016.2517215
Active power control strategies for transient stability enhancement of ACDC grids with VSC-HVDC multi-terminal systems
Tipo de Actividad
Artículos en revistas
ISSN
0885-8950
Materias/ categorías / ODS
Instituto de Investigación Tecnológica (IIT)
Palabras Clave

HVDC transmission control, power electronics, power system stability, power system transient stability
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Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
Contacto | Sugerencias