Initialisation of a hybrid AC/DC power system for harmonic stability analysis using a power flow formulation

Journal article (2020)

Authors

A. Lekić Katholieke Universiteit Leuven, EnergyVille

Hakan Ergun EnergyVille, Katholieke Universiteit Leuven

Jef Beerten Katholieke Universiteit Leuven, EnergyVille

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http://resolver.tudelft.nl/uuid:03297517-37b2-401f-99e1-b0cb60645be3

Published Date

2020

Language

English

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Abstract

This study presents the initialisation of a hybrid alternating current/direct current (AC/DC) power system to determine the operation point around which the system is linearised as a starting point for an electromagnetic or harmonic stability analysis. To this end, each AC or DC power system component is modelled in the Fourier transform domain and further adjusted to a simplified representation compatible with a power flow formulation. The study also presents how voltage source converter (VSC) high-voltage DC-based systems can be analysed when the different VSC controls are applied. The result of the power flow solution is then used for the power converters’ initialisation.