Bifurcation-Based Transient Stability Analysis of Grid-Forming Converters with DC-Link Voltage Controller

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Abstrakt

Transient stability of grid-forming (GFM) converters has drawn increasing research interests in the last few years, while the impact of DC-Link Voltage Controller (DVC) on the transient stability of GFM converters remains an open issue. To bridge this research gap, this paper presents a design-oriented transient stability analysis of GFM converters with DVC. A large-signal model is established first. Based on this model, the parametric effects of DVC on the transient stability are evaluated by phase portraits and further confirmed by simulation tests. It is revealed that the increase of proportional gain of DVC would enhance the transient stability. The mechanism of the parametric effects is theoretically explained based on the bifurcation theory. Finally, experimental tests are performed to validate the effectiveness of the theoretical analysis.
OriginalsprogEngelsk
Titel2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021
ForlagIEEE Signal Processing Society
Publikationsdato2021
ISBN (Elektronisk)978-1-6654-3635-9
DOI
StatusUdgivet - 2021
Begivenhed22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021 - Cartagena, Colombia
Varighed: 2 nov. 20215 nov. 2021

Konference

Konference22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021
Land/OmrådeColombia
ByCartagena
Periode02/11/202105/11/2021
NavnIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

Bibliografisk note

Publisher Copyright:
© 2021 IEEE.

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