Directional Derivative-Based Method for Quasi-Stationary Voltage Support Analysis of Single-Infeed VSC-HVDC units

Arcadio Perilla, Roni Irnawan, E. Rakhshani, José Luis Rueda Torres, Filipe Miguel Faria da Silva, Mart van der Meijden, Claus Leth Bak, Alex Alefragkis, Anna Margareta Lindefelt

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

This paper presents an investigation of the impact of the quasi-stationary voltage support provided by a voltage source converter (VSC) connected to a single point of a power system. Based on the directional derivative concept, an analytical method is developed to quantify the sensitivities of the AC bus voltage with respect to the VSC reactive power control modes. Based on a real case study it is shown that the method is applicable to VSC units that are part of VSC-HVDC systems, which can operate in a point-to-point or multi-terminal configuration. Time-domain simulations are performed to verify the findings from the application of the analytical method on a reduced size power system.
OriginalsprogEngelsk
TidsskriftIET High Voltage
ISSN2397-7264
StatusAccepteret/In press - 2020

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