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Modelling of VSC-HVDC multi-terminal systems for small-signal angle stability analysis

J. Renedo, L. Sigrist, A. García-Cerrada, L. Rouco

15th IET International Conference on AC and DC Power Transmission - ACDC 2019, Coventry (Reino Unido). 05-07 febrero 2019


Resumen:

This paper presents a model for small-signal analysis (SSA) of the angle stability of hybrid high-voltage AC (HVAC) systems containing high-voltage DC multi-terminal systems based on Voltage Source Converters (VSC-HVDC). The model developed is highly flexible and makes it possible to seamlessly adapt existing tools for SSA of HVAC systems to be used for hybrid HVAC/VSC-HVDC systems. The proposed small-signal model has been validated and has been used to analyse the impact of an active-power control strategy on power oscillations. The strategy was previously used to improve transient stability in the same type of systems. Results show that the strategy analysed can also help to damp inter-area power oscillations.


Palabras clave: VSC-HVDC, multi-terminal, small-signal stability analysis, power oscillation damping.


DOI: DOI icon https://doi.org/10.1049/cp.2019.0046

Fecha de publicación: febrero 2019.



Cita:
Renedo, J., Sigrist, L., García-Cerrada, A., Rouco, L., Modelling of VSC-HVDC multi-terminal systems for small-signal angle stability analysis, 15th IET International Conference on AC and DC Power Transmission - ACDC 2019, Coventry (Reino Unido). 05-07 febrero 2019.


    Líneas de investigación:
  • Estabilidad: estabilidad de gran perturbación, ajuste de protecciones de deslastre de cargas por frecuencia, control de la excitación, estabilidad de pequeña perturbación, ajuste de estabilizadores del sistema de potencia, identificación de modelos de reguladores
  • HVDC/FACTS
  • Electrónica de potencia

IIT-18-109A

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