Positive sequence voltage source converter mathematical model for use in low short circuit systems

In this study, modifications are proposed to the state-of-the-art positive sequence generic converter model in order to capture the small-signal and large-signal oscillatory instabilities associated with converters interfaced at low short circuit locations. The performance of the positive sequence m...

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Bibliographic Details
Published in:IET generation, transmission & distribution transmission & distribution, 2020-01, Vol.14 (1), p.87-97
Main Authors: Ramasubramanian, Deepak, Wang, Wenzong, Pourbeik, Pouyan, Farantatos, Evangelos, Gaikwad, Anish, Soni, Sachin, Chadliev, Vladimir
Format: Article
Language:English
Subjects:
circuit oscillations
circuit stability
electromagnetic simulations
large‐signal oscillatory instabilities
low short circuit locations
low short circuit systems
positive sequence generic converter model
positive sequence model
positive sequence voltage source converter mathematical model
Research Article
small‐signal oscillatory instabilities
voltage‐source convertors
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Summary:In this study, modifications are proposed to the state-of-the-art positive sequence generic converter model in order to capture the small-signal and large-signal oscillatory instabilities associated with converters interfaced at low short circuit locations. The performance of the positive sequence model is validated against detailed electromagnetic simulations to lend confidence in this proposed model. Additionally, validation of performance of the model against observed field measurements is also carried out.
ISSN:1751-8687
1751-8695
1751-8695
DOI:10.1049/iet-gtd.2019.0346