Documentdetail
ID kaart
oai:arXiv.org:2409.09912
Onderwerp
Electrical Engineering and Systems...Auteur
Karunaratne, Lilan Chaudhuri, Nilanjan Ray Yogarathnam, Amirthagunaraj Yue, MengCategorie
Computer Science
Jaar
2024
vermelding datum
18-09-2024
Trefwoorden
ssosBeschrijving
Subsynchronous oscillations (SSOs) involving grid-forming converters (GFCs) are in a less familiar territory of power system dynamics.
This letter reports a new phenomenon namely cross-area SSOs in grids with 100% droop-controlled GFC-based renewable penetration, which was discovered during our study on evaluating the adequacy of quasistationary phasor calculus (QPC) and space phasor calculus (SPC)-based models in capturing SSOs.
We present frequency-domain characterization of such oscillatory modes in addition to intra-area SSOs in grids involving GFCs and study the impact of a delay in power-frequency droop feedback loop in regards to their stability.
Electromagnetic transient (EMT) simulations validate our findings.
Karunaratne, Lilan,Chaudhuri, Nilanjan Ray,Yogarathnam, Amirthagunaraj,Yue, Meng, 2024, Discovery and Characterization of Cross-Area and Intra-Area SSOs Sensitive to Delay in Droop Control of Grid-Forming Converters
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